#25303B color
The hex color #25303B is a very dark, grayish azure.
In the RGB color model it is made of 14.5% red, 18.8% green and 23.1% blue (37, 48, 59).
Its hue angle is 210°, with 23% saturation and 19% lightness. For print, the CMYK equivalent is 37% cyan, 19% magenta, 0% yellow and 77% black.
The closest named color is Infinity (#222831), a difference of 3.2 ΔE, a small difference.
White text is the more readable choice on this background (contrast 13.42:1).
#25303B color codes
| HEX | #25303B | |
|---|---|---|
| RGB | rgb(37, 48, 59) | |
| RGB percent | rgb(14.5%, 18.8%, 23.1%) | |
| HSL | hsl(210, 23%, 19%) | |
| HSV / HSB | hsv(210, 37%, 23%) | |
| CMYK | cmyk(37%, 19%, 0%, 77%) | |
| CIE LAB | lab(19.32, -1.41, -8.48) | |
| CIE LCH | lch(19.32, 8.59, 260.54) | |
| CIE XYZ | xyz(2.609, 2.823, 4.544) | |
| Decimal | 2437179 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #25303B, based on their position on the color wheel.
Complementary
The color opposite on the color wheel (180°). Strongest contrast.
Analogous
Neighbors 30° either side. Calm, natural combinations.
Split complementary
The two colors next to the complement (150° and 210°).
Triadic
Three colors evenly spaced, 120° apart.
Tetradic (square)
Four colors 90° apart.
Shades, tints and tones
Shades (darker, mixed with black)
Tints (lighter, mixed with white)
Tones (mixed with gray)
Contrast and accessibility
| Text on #25303B | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.56:1 | Fail | Fail | Fail |
| Sample text | 13.42:1 | Pass | Pass | Pass |
| #25303B as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 13.42:1 | Pass | Pass | Pass |
| Sample text | 1.56:1 | Fail | Fail | Fail |
WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.
Color blindness simulation
How #25303B looks to people with the most common types of color vision deficiency.
#2c303cProtanopia
no red cones#292e3bDeuteranopia
no green cones#1e3334Tritanopia
no blue cones#2f2f2fAchromatopsia
no color vision
CSS examples
.background { background-color: #25303b; }
.text { color: #25303b; }
.border { border: 2px solid #25303b; }
.transparent { background-color: rgb(37 48 59 / 50%); }
.gradient { background: linear-gradient(to right, #25303b, #25253b); }
Similar colors
#222831Infinity#1e3442Blue Whale#243640Petrol Slumber#2a3439Gunmetal#172b36Oceanic Noir#293135Nightmare Fuel#1b2431Dark#242a2eCinder
Questions
- What color is #25303B?
- #25303B is a very dark, grayish azure, closest to the named color Infinity. It belongs to the black family of colors.
- What is the RGB value of #25303B?
- The RGB value is 37, 48, 59: 37 red, 48 green and 59 blue on a 0 to 255 scale.
- What is the complementary color of #25303B?
- The complementary color is #3B3025, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #25303B?
- White text. Black text has a contrast ratio of 1.56:1 and white text 13.42:1. WCAG asks for at least 4.5:1 for normal text.