#577F8D#577F8D

#577F8D is a mid, muted cyan. Relative luminance 0.191; OKLCH L 57.2% C 0.049 H 221.8°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#577F8D
RGB	rgb(87, 127, 141)
HSL	hsl(196, 24%, 45%)
HSV	hsv(196, 38%, 55%)
CMYK	cmyk(38.3%, 9.9%, 0%, 44.7%)
CIE-LAB	lab(50.84, -10.15, -11.99)
CIE-LCH	lch(50.84, 15.71, 229.76°)
OKLab	oklab(57.22% -0.0368 -0.0329)
OKLCH	oklch(57.22% 0.049 221.8)
XYZ	xyz(16.3259, 19.1271, 28.0258)
Luminance	0.1913 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577F8D #8D6557

analogous

#578D80 #577F8D #57648D

triadic

#577F8D #8D577F #7F8D57

tetradic

#577F8D #80578D #8D6557 #648D57

square

#577F8D #80578D #8D6557 #648D57

split-complementary

#577F8D #8D5764 #8D8057

monochromatic

#283B41 #405D67 #577F8D #769DAB #9CB8C2

Accessibility & contrast

On white

4.35

#577F8D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#577F8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577F8D

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577F8D	#FFFFFF	#000000	##000000
##577F8D	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#777D8E

Deuteranopia (green-blind)

#6E768D

Tritanopia (blue-blind)

#438483

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #577f8d;
/* rgb */ color: rgb(87, 127, 141);
/* oklch */ color: oklch(57.2% 0.049 221.8);

Tailwind

colors: {
  custom: {
    50: '#89a4ae',
    500: '#577f8d',
    950: '#000000',
  },
}

SCSS

$custom: #577f8d;
$custom-light: #89a4ae;
$custom-dark: #000000;

JSON

{
  "hex": "#577f8d",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 141
  },
  "hsl": {
    "h": 195.556,
    "s": 23.684,
    "l": 44.706
  },
  "oklch": {
    "l": 0.57218,
    "c": 0.04938,
    "h": 221.8
  },
  "luminance": 0.19128
}

Semantic roles & 50–950 ramp

primary

#577F8D

secondary

#B09890

accent

#7F68C0

background

#F8FAFA

surface

#F0F4F4

border

#CBCECE

text

#0C0F10

muted

#7D7F7F

Preview Lab

Preview with #577F8D

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

Preview Lab → · Contrast checker → · Palette generator →