#577697#577697

#577697 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.5% C 0.063 H 250.5°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#577697
RGB	rgb(87, 118, 151)
HSL	hsl(211, 27%, 47%)
HSV	hsv(211, 42%, 59%)
CMYK	cmyk(42.4%, 21.9%, 0%, 40.8%)
CIE-LAB	lab(48.53, -2.12, -21.37)
CIE-LCH	lch(48.53, 21.47, 264.34°)
OKLab	oklab(55.52% -0.0209 -0.0593)
OKLCH	oklch(55.52% 0.063 250.5)
XYZ	xyz(15.9930, 17.2165, 31.7526)
Luminance	0.1722 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577697 #977857

analogous

#579697 #577697 #585797

triadic

#577697 #975776 #769757

tetradic

#577697 #975796 #977857 #579758

square

#577697 #975796 #977857 #579758

split-complementary

#577697 #975857 #969757

monochromatic

#2A3949 #415870 #577697 #7995B2 #A0B4C8

Accessibility & contrast

On white

4.73

#577697 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#577697 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577697

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577697	#FFFFFF	#000000	##FFFFFF
##577697	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#697799

Deuteranopia (green-blind)

#617096

Tritanopia (blue-blind)

#3F7D81

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #577697;
/* rgb */ color: rgb(87, 118, 151);
/* oklch */ color: oklch(55.5% 0.063 250.5);

Tailwind

colors: {
  custom: {
    50: '#899db5',
    500: '#577697',
    950: '#000000',
  },
}

SCSS

$custom: #577697;
$custom-light: #899db5;
$custom-dark: #000000;

JSON

{
  "hex": "#577697",
  "rgb": {
    "r": 87,
    "g": 118,
    "b": 151
  },
  "hsl": {
    "h": 210.938,
    "s": 26.891,
    "l": 46.667
  },
  "oklch": {
    "l": 0.55521,
    "c": 0.06287,
    "h": 250.5
  },
  "luminance": 0.17217
}

Semantic roles & 50–950 ramp

primary

#577697

secondary

#B6A594

accent

#9565C3

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E11

muted

#7D7E80

Preview Lab

Preview with #577697

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

Preview Lab → · Contrast checker → · Palette generator →