#577797#577797

#577797 is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.8% C 0.062 H 249.0°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#577797
RGB	rgb(87, 119, 151)
HSL	hsl(210, 27%, 47%)
HSV	hsv(210, 42%, 59%)
CMYK	cmyk(42.4%, 21.2%, 0%, 40.8%)
CIE-LAB	lab(48.83, -2.71, -20.91)
CIE-LCH	lch(48.83, 21.09, 262.63°)
OKLab	oklab(55.75% -0.0223 -0.058)
OKLCH	oklch(55.75% 0.062 249)
XYZ	xyz(16.1114, 17.4533, 31.7920)
Luminance	0.1745 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577797 #977757

analogous

#579797 #577797 #575797

triadic

#577797 #975777 #779757

tetradic

#577797 #975797 #977757 #579757

square

#577797 #975797 #977757 #579757

split-complementary

#577797 #975757 #979757

monochromatic

#2A3A49 #415870 #577797 #7996B2 #A0B4C8

Accessibility & contrast

On white

4.68

#577797 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#577797 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577797

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577797	#FFFFFF	#000000	##FFFFFF
##577797	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7899

Deuteranopia (green-blind)

#627196

Tritanopia (blue-blind)

#3F7E82

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #577797;
/* rgb */ color: rgb(87, 119, 151);
/* oklch */ color: oklch(55.8% 0.062 249.0);

Tailwind

colors: {
  custom: {
    50: '#899eb5',
    500: '#577797',
    950: '#000000',
  },
}

SCSS

$custom: #577797;
$custom-light: #899eb5;
$custom-dark: #000000;

JSON

{
  "hex": "#577797",
  "rgb": {
    "r": 87,
    "g": 119,
    "b": 151
  },
  "hsl": {
    "h": 210,
    "s": 26.891,
    "l": 46.667
  },
  "oklch": {
    "l": 0.55752,
    "c": 0.06213,
    "h": 249
  },
  "luminance": 0.17454
}

Semantic roles & 50–950 ramp

primary

#577797

secondary

#B6A594

accent

#9465C3

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E11

muted

#7D7E80

Preview Lab

Preview with #577797

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

Preview Lab → · Contrast checker → · Palette generator →