#557C8A#557C8A

#557C8A is a mid, muted cyan. Relative luminance 0.182; OKLCH L 56.3% C 0.049 H 222.4°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#557C8A
RGB	rgb(85, 124, 138)
HSL	hsl(196, 24%, 44%)
HSV	hsv(196, 38%, 54%)
CMYK	cmyk(38.4%, 10.1%, 0%, 45.9%)
CIE-LAB	lab(49.71, -9.85, -11.93)
CIE-LCH	lch(49.71, 15.47, 230.46°)
OKLab	oklab(56.26% -0.0359 -0.0327)
OKLCH	oklch(56.26% 0.049 222.4)
XYZ	xyz(15.5399, 18.1806, 26.7302)
Luminance	0.1818 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557C8A #8A6355

analogous

#558A7D #557C8A #55618A

triadic

#557C8A #8A557C #7C8A55

tetradic

#557C8A #7D558A #8A6355 #618A55

square

#557C8A #7D558A #8A6355 #618A55

split-complementary

#557C8A #8A5561 #8A7D55

monochromatic

#26383E #3E5A64 #557C8A #739BA9 #99B6C0

Accessibility & contrast

On white

4.53

#557C8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#557C8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557C8A

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557C8A	#FFFFFF	#000000	##000000
##557C8A	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#747A8B

Deuteranopia (green-blind)

#6C748A

Tritanopia (blue-blind)

#418180

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #557c8a;
/* rgb */ color: rgb(85, 124, 138);
/* oklch */ color: oklch(56.3% 0.049 222.4);

Tailwind

colors: {
  custom: {
    50: '#87a2ac',
    500: '#557c8a',
    950: '#000000',
  },
}

SCSS

$custom: #557c8a;
$custom-light: #87a2ac;
$custom-dark: #000000;

JSON

{
  "hex": "#557c8a",
  "rgb": {
    "r": 85,
    "g": 124,
    "b": 138
  },
  "hsl": {
    "h": 195.849,
    "s": 23.767,
    "l": 43.725
  },
  "oklch": {
    "l": 0.56263,
    "c": 0.04861,
    "h": 222.4
  },
  "luminance": 0.18182
}

Semantic roles & 50–950 ramp

primary

#557C8A

secondary

#AE968D

accent

#7F68C0

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0F10

muted

#7C7E7F

Preview Lab

Preview with #557C8A

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

Preview Lab → · Contrast checker → · Palette generator →