#557A8A#557A8A

#557A8A is a mid, muted cyan. Relative luminance 0.177; OKLCH L 55.8% C 0.048 H 226.7°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#557A8A
RGB	rgb(85, 122, 138)
HSL	hsl(198, 24%, 44%)
HSV	hsv(198, 38%, 54%)
CMYK	cmyk(38.4%, 11.6%, 0%, 45.9%)
CIE-LAB	lab(49.11, -8.71, -12.84)
CIE-LCH	lch(49.11, 15.52, 235.85°)
OKLab	oklab(55.78% -0.0332 -0.0353)
OKLCH	oklch(55.78% 0.048 226.7)
XYZ	xyz(15.2917, 17.6844, 26.6475)
Luminance	0.1769 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557A8A #8A6555

analogous

#558A7F #557A8A #555F8A

triadic

#557A8A #8A557A #7A8A55

tetradic

#557A8A #7F558A #8A6555 #5F8A55

square

#557A8A #7F558A #8A6555 #5F8A55

split-complementary

#557A8A #8A555F #8A7F55

monochromatic

#26373E #3E5964 #557A8A #7399A9 #99B4C0

Accessibility & contrast

On white

4.63

#557A8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#557A8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #557A8A

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557A8A	#FFFFFF	#000000	##FFFFFF
##557A8A	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#71788B

Deuteranopia (green-blind)

#6A728A

Tritanopia (blue-blind)

#427F7F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #557a8a;
/* rgb */ color: rgb(85, 122, 138);
/* oklch */ color: oklch(55.8% 0.048 226.7);

Tailwind

colors: {
  custom: {
    50: '#87a0ac',
    500: '#557a8a',
    950: '#000000',
  },
}

SCSS

$custom: #557a8a;
$custom-light: #87a0ac;
$custom-dark: #000000;

JSON

{
  "hex": "#557a8a",
  "rgb": {
    "r": 85,
    "g": 122,
    "b": 138
  },
  "hsl": {
    "h": 198.113,
    "s": 23.767,
    "l": 43.725
  },
  "oklch": {
    "l": 0.55784,
    "c": 0.04846,
    "h": 226.7
  },
  "luminance": 0.17685
}

Semantic roles & 50–950 ramp

primary

#557A8A

secondary

#AE978D

accent

#8268C0

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0E10

muted

#7C7E7F

Preview Lab

Preview with #557A8A

Body copy rendered with the generated semantic roles for this colour.

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