#577D90#577D90

#577D90 is a mid, muted cyan. Relative luminance 0.187; OKLCH L 56.9% C 0.052 H 230.5°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#577D90
RGB	rgb(87, 125, 144)
HSL	hsl(200, 25%, 45%)
HSV	hsv(200, 40%, 56%)
CMYK	cmyk(39.6%, 13.2%, 0%, 43.5%)
CIE-LAB	lab(50.34, -8.18, -14.49)
CIE-LCH	lch(50.34, 16.64, 240.55°)
OKLab	oklab(56.86% -0.0329 -0.0399)
OKLCH	oklch(56.86% 0.052 230.5)
XYZ	xyz(16.2964, 18.7061, 29.1321)
Luminance	0.1871 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577D90 #906A57

analogous

#579086 #577D90 #576090

triadic

#577D90 #90577D #7D9057

tetradic

#577D90 #865790 #906A57 #609057

square

#577D90 #865790 #906A57 #609057

split-complementary

#577D90 #905760 #908657

monochromatic

#293B44 #405C6A #577D90 #779BAD #9DB7C4

Accessibility & contrast

On white

4.43

#577D90 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#577D90 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577D90

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577D90	#FFFFFF	#000000	##000000
##577D90	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#747C91

Deuteranopia (green-blind)

#6B7590

Tritanopia (blue-blind)

#428283

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #577d90;
/* rgb */ color: rgb(87, 125, 144);
/* oklch */ color: oklch(56.9% 0.052 230.5);

Tailwind

colors: {
  custom: {
    50: '#89a2b0',
    500: '#577d90',
    950: '#000000',
  },
}

SCSS

$custom: #577d90;
$custom-light: #89a2b0;
$custom-dark: #000000;

JSON

{
  "hex": "#577d90",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 144
  },
  "hsl": {
    "h": 200,
    "s": 24.675,
    "l": 45.294
  },
  "oklch": {
    "l": 0.56861,
    "c": 0.05172,
    "h": 230.5
  },
  "luminance": 0.18707
}

Semantic roles & 50–950 ramp

primary

#577D90

secondary

#B29C91

accent

#8567C1

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0C0F10

muted

#7D7E7F

Preview Lab

Preview with #577D90

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

Preview Lab → · Contrast checker → · Palette generator →