#577E97#577E97

#577E97 is a mid, muted cyan. Relative luminance 0.192; OKLCH L 57.4% C 0.058 H 237.3°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#577E97
RGB	rgb(87, 126, 151)
HSL	hsl(203, 27%, 47%)
HSV	hsv(203, 42%, 59%)
CMYK	cmyk(42.4%, 16.6%, 0%, 40.8%)
CIE-LAB	lab(50.90, -6.78, -17.74)
CIE-LCH	lch(50.90, 18.99, 249.09°)
OKLab	oklab(57.39% -0.0315 -0.049)
OKLCH	oklch(57.39% 0.058 237.3)
XYZ	xyz(16.9754, 19.1812, 32.0800)
Luminance	0.1918 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577E97 #977057

analogous

#579790 #577E97 #575E97

triadic

#577E97 #97577E #7E9757

tetradic

#577E97 #905797 #977057 #5E9757

square

#577E97 #905797 #977057 #5E9757

split-complementary

#577E97 #97575E #979057

monochromatic

#2A3D49 #415E70 #577E97 #799CB2 #A0B9C8

Accessibility & contrast

On white

4.34

#577E97 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#577E97 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577E97

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577E97	#FFFFFF	#000000	##000000
##577E97	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)

#737D98

Deuteranopia (green-blind)

#6A7697

Tritanopia (blue-blind)

#3E8486

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #577e97;
/* rgb */ color: rgb(87, 126, 151);
/* oklch */ color: oklch(57.4% 0.058 237.3);

Tailwind

colors: {
  custom: {
    50: '#89a3b5',
    500: '#577e97',
    950: '#000000',
  },
}

SCSS

$custom: #577e97;
$custom-light: #89a3b5;
$custom-dark: #000000;

JSON

{
  "hex": "#577e97",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 151
  },
  "hsl": {
    "h": 203.438,
    "s": 26.891,
    "l": 46.667
  },
  "oklch": {
    "l": 0.57388,
    "c": 0.05828,
    "h": 237.3
  },
  "luminance": 0.19182
}

Semantic roles & 50–950 ramp

primary

#577E97

secondary

#B6A194

accent

#8A65C3

background

#F8FAFB

surface

#F0F3F6

border

#CBCDD0

text

#0C0F11

muted

#7D7F80

Preview Lab

Preview with #577E97

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

Preview Lab → · Contrast checker → · Palette generator →