#00557F color

#00557F rgb(0, 85, 127)
Shades of blue

The hex color #00557F is a dark, vivid azure.

In the RGB color model it is made of 0% red, 33.3% green and 49.8% blue (0, 85, 127).

Its hue angle is 200°, with 100% saturation and 25% lightness. For print, the CMYK equivalent is 100% cyan, 33% magenta, 0% yellow and 50% black.

The closest named color is Beyond the Sea (#005784), a difference of 1 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 8.06:1).

#00557F color codes

HEX#00557F
RGBrgb(0, 85, 127)
RGB percentrgb(0%, 33.3%, 49.8%)
HSLhsl(200, 100%, 25%)
HSV / HSBhsv(200, 100%, 50%)
CMYKcmyk(100%, 33%, 0%, 50%)
CIE LABlab(34.04, -5.34, -29.73)
CIE LCHlch(34.04, 30.21, 259.82)
CIE XYZxyz(7.078, 8.028, 21.251)
Decimal21887
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #00557F, 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 #00557FRatioAAAAAAA large
Sample text2.61:1FailFailFail
Sample text8.06:1PassPassPass
#00557F as text onRatioAAAAAAA large
Sample text8.06:1PassPassPass
Sample text2.61:1FailFailFail

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 #00557F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #00557f; }
.text { color: #00557f; }
.border { border: 2px solid #00557f; }
.transparent { background-color: rgb(0 85 127 / 50%); }
.gradient { background: linear-gradient(to right, #00557f, #00157f); }
Background
Text color
Border

Similar colors

Closest common color name: Denim.

Questions

What color is #00557F?
#00557F is a dark, vivid azure, closest to the named color Beyond the Sea. It belongs to the blue family of colors.
What is the RGB value of #00557F?
The RGB value is 0, 85, 127: 0 red, 85 green and 127 blue on a 0 to 255 scale.
What is the complementary color of #00557F?
The complementary color is #7F2A00, found by rotating the hue 180° on the color wheel.
Is black or white text better on #00557F?
White text. Black text has a contrast ratio of 2.61:1 and white text 8.06:1. WCAG asks for at least 4.5:1 for normal text.