#577990#577990

#577990 is a mid, muted cyan. Relative luminance 0.177; OKLCH L 55.9% C 0.053 H 238.5°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#577990
RGB	rgb(87, 121, 144)
HSL	hsl(204, 25%, 45%)
HSV	hsv(204, 40%, 56%)
CMYK	cmyk(39.6%, 16%, 0%, 43.5%)
CIE-LAB	lab(49.15, -5.88, -16.31)
CIE-LCH	lch(49.15, 17.34, 250.16°)
OKLab	oklab(55.92% -0.0275 -0.045)
OKLCH	oklch(55.92% 0.053 238.5)
XYZ	xyz(15.8002, 17.7137, 28.9667)
Luminance	0.1772 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577990 #906E57

analogous

#57908A #577990 #575C90

triadic

#577990 #905779 #799057

tetradic

#577990 #8A5790 #906E57 #5C9057

square

#577990 #8A5790 #906E57 #5C9057

split-complementary

#577990 #90575C #908A57

monochromatic

#293944 #40596A #577990 #7797AD #9DB4C4

Accessibility & contrast

On white

4.62

#577990 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#577990 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #577990

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577990	#FFFFFF	#000000	##FFFFFF
##577990	1.00	4.62	4.54	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7891

Deuteranopia (green-blind)

#677290

Tritanopia (blue-blind)

#427F80

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #577990;
/* rgb */ color: rgb(87, 121, 144);
/* oklch */ color: oklch(55.9% 0.053 238.5);

Tailwind

colors: {
  custom: {
    50: '#899fb0',
    500: '#577990',
    950: '#000000',
  },
}

SCSS

$custom: #577990;
$custom-light: #899fb0;
$custom-dark: #000000;

JSON

{
  "hex": "#577990",
  "rgb": {
    "r": 87,
    "g": 121,
    "b": 144
  },
  "hsl": {
    "h": 204.211,
    "s": 24.675,
    "l": 45.294
  },
  "oklch": {
    "l": 0.55915,
    "c": 0.05274,
    "h": 238.5
  },
  "luminance": 0.17715
}

Semantic roles & 50–950 ramp

primary

#577990

secondary

#B29E91

accent

#8B67C1

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0C0E10

muted

#7D7E7F

Preview Lab

Preview with #577990

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

Preview Lab → · Contrast checker → · Palette generator →