#577E91#577E91

#577E91 is a mid, muted cyan. Relative luminance 0.190; OKLCH L 57.1% C 0.052 H 229.8°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#577E91
RGB	rgb(87, 126, 145)
HSL	hsl(200, 25%, 45%)
HSV	hsv(200, 40%, 57%)
CMYK	cmyk(40%, 13.1%, 0%, 43.1%)
CIE-LAB	lab(50.68, -8.48, -14.57)
CIE-LCH	lch(50.68, 16.86, 239.81°)
OKLab	oklab(57.14% -0.0339 -0.0401)
OKLCH	oklch(57.14% 0.052 229.8)
XYZ	xyz(16.5004, 18.9913, 29.5788)
Luminance	0.1899 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577E91 #916A57

analogous

#579187 #577E91 #576191

triadic

#577E91 #91577E #7E9157

tetradic

#577E91 #875791 #916A57 #619157

square

#577E91 #875791 #916A57 #619157

split-complementary

#577E91 #915761 #918757

monochromatic

#293C44 #405D6B #577E91 #779CAE #9EB8C5

Accessibility & contrast

On white

4.38

#577E91 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#577E91 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577E91

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577E91	#FFFFFF	#000000	##000000
##577E91	1.00	4.38	4.80	4.80
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#747C92

Deuteranopia (green-blind)

#6C7691

Tritanopia (blue-blind)

#418384

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #577e91;
/* rgb */ color: rgb(87, 126, 145);
/* oklch */ color: oklch(57.1% 0.052 229.8);

Tailwind

colors: {
  custom: {
    50: '#89a3b1',
    500: '#577e91',
    950: '#000000',
  },
}

SCSS

$custom: #577e91;
$custom-light: #89a3b1;
$custom-dark: #000000;

JSON

{
  "hex": "#577e91",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 145
  },
  "hsl": {
    "h": 199.655,
    "s": 25,
    "l": 45.49
  },
  "oklch": {
    "l": 0.57139,
    "c": 0.05249,
    "h": 229.8
  },
  "luminance": 0.18992
}

Semantic roles & 50–950 ramp

primary

#577E91

secondary

#B29C92

accent

#8466C1

background

#F8FAFA

surface

#F0F3F5

border

#CBCDCF

text

#0C0F10

muted

#7D7F7F

Preview Lab

Preview with #577E91

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

Preview Lab → · Contrast checker → · Palette generator →