#577B8E#577B8E

#577B8E is a mid, muted cyan. Relative luminance 0.181; OKLCH L 56.3% C 0.050 H 231.8°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#577B8E
RGB	rgb(87, 123, 142)
HSL	hsl(201, 24%, 45%)
HSV	hsv(201, 39%, 56%)
CMYK	cmyk(38.7%, 13.4%, 0%, 44.3%)
CIE-LAB	lab(49.67, -7.59, -14.34)
CIE-LCH	lch(49.67, 16.22, 242.09°)
OKLab	oklab(56.31% -0.031 -0.0394)
OKLCH	oklch(56.31% 0.05 231.8)
XYZ	xyz(15.8943, 18.1442, 28.2506)
Luminance	0.1815 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B8E #8E6A57

analogous

#578E85 #577B8E #57608E

triadic

#577B8E #8E577B #7B8E57

tetradic

#577B8E #85578E #8E6A57 #608E57

square

#577B8E #85578E #8E6A57 #608E57

split-complementary

#577B8E #8E5760 #8E8557

monochromatic

#283942 #405A68 #577B8E #7799AB #9DB6C3

Accessibility & contrast

On white

4.54

#577B8E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#577B8E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577B8E

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B8E	#FFFFFF	#000000	##000000
##577B8E	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#727A8F

Deuteranopia (green-blind)

#6A738E

Tritanopia (blue-blind)

#438081

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #577b8e;
/* rgb */ color: rgb(87, 123, 142);
/* oklch */ color: oklch(56.3% 0.050 231.8);

Tailwind

colors: {
  custom: {
    50: '#88a1af',
    500: '#577b8e',
    950: '#000000',
  },
}

SCSS

$custom: #577b8e;
$custom-light: #88a1af;
$custom-dark: #000000;

JSON

{
  "hex": "#577b8e",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 142
  },
  "hsl": {
    "h": 200.727,
    "s": 24.017,
    "l": 44.902
  },
  "oklch": {
    "l": 0.56305,
    "c": 0.05018,
    "h": 231.8
  },
  "luminance": 0.18145
}

Semantic roles & 50–950 ramp

primary

#577B8E

secondary

#B09B90

accent

#8667C0

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0C0E10

muted

#7D7E7F

Preview Lab

Preview with #577B8E

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

Preview Lab → · Contrast checker → · Palette generator →