#577F90#577F90

#577F90 is a mid, muted cyan. Relative luminance 0.192; OKLCH L 57.3% C 0.052 H 226.4°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#577F90
RGB	rgb(87, 127, 144)
HSL	hsl(198, 25%, 45%)
HSV	hsv(198, 40%, 56%)
CMYK	cmyk(39.6%, 11.8%, 0%, 43.5%)
CIE-LAB	lab(50.94, -9.32, -13.58)
CIE-LCH	lch(50.94, 16.47, 235.55°)
OKLab	oklab(57.34% -0.0356 -0.0374)
OKLCH	oklch(57.34% 0.052 226.4)
XYZ	xyz(16.5522, 19.2176, 29.2173)
Luminance	0.1922 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577F90 #906857

analogous

#579084 #577F90 #576290

triadic

#577F90 #90577F #7F9057

tetradic

#577F90 #845790 #906857 #629057

square

#577F90 #845790 #906857 #629057

split-complementary

#577F90 #905762 #908457

monochromatic

#293C44 #405D6A #577F90 #779DAD #9DB8C4

Accessibility & contrast

On white

4.34

#577F90 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#577F90 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577F90

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577F90	#FFFFFF	#000000	##000000
##577F90	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#767D91

Deuteranopia (green-blind)

#6D7690

Tritanopia (blue-blind)

#418484

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #577f90;
/* rgb */ color: rgb(87, 127, 144);
/* oklch */ color: oklch(57.3% 0.052 226.4);

Tailwind

colors: {
  custom: {
    50: '#89a4b0',
    500: '#577f90',
    950: '#000000',
  },
}

SCSS

$custom: #577f90;
$custom-light: #89a4b0;
$custom-dark: #000000;

JSON

{
  "hex": "#577f90",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 144
  },
  "hsl": {
    "h": 197.895,
    "s": 24.675,
    "l": 45.294
  },
  "oklch": {
    "l": 0.57336,
    "c": 0.0516,
    "h": 226.4
  },
  "luminance": 0.19219
}

Semantic roles & 50–950 ramp

primary

#577F90

secondary

#B29B91

accent

#8267C1

background

#F8FAFA

surface

#F0F4F4

border

#CBCECE

text

#0C0F10

muted

#7D7F7F

Preview Lab

Preview with #577F90

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

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