#577F97#577F97

#577F97 is a mid, muted cyan. Relative luminance 0.194; OKLCH L 57.6% C 0.058 H 235.5°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#577F97
RGB	rgb(87, 127, 151)
HSL	hsl(203, 27%, 47%)
HSV	hsv(203, 42%, 59%)
CMYK	cmyk(42.4%, 15.9%, 0%, 40.8%)
CIE-LAB	lab(51.20, -7.35, -17.29)
CIE-LCH	lch(51.20, 18.79, 246.96°)
OKLab	oklab(57.62% -0.0328 -0.0477)
OKLCH	oklch(57.62% 0.058 235.5)
XYZ	xyz(17.1039, 19.4383, 32.1228)
Luminance	0.1944 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577F97 #976F57

analogous

#57978F #577F97 #575F97

triadic

#577F97 #97577F #7F9757

tetradic

#577F97 #8F5797 #976F57 #5F9757

square

#577F97 #8F5797 #976F57 #5F9757

split-complementary

#577F97 #97575F #978F57

monochromatic

#2A3E49 #415E70 #577F97 #799DB2 #A0B9C8

Accessibility & contrast

On white

4.30

#577F97 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#577F97 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577F97

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577F97	#FFFFFF	#000000	##000000
##577F97	1.00	4.30	4.89	4.89
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#747E98

Deuteranopia (green-blind)

#6B7797

Tritanopia (blue-blind)

#3E8587

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #577f97;
/* rgb */ color: rgb(87, 127, 151);
/* oklch */ color: oklch(57.6% 0.058 235.5);

Tailwind

colors: {
  custom: {
    50: '#89a4b5',
    500: '#577f97',
    950: '#000000',
  },
}

SCSS

$custom: #577f97;
$custom-light: #89a4b5;
$custom-dark: #000000;

JSON

{
  "hex": "#577f97",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 151
  },
  "hsl": {
    "h": 202.5,
    "s": 26.891,
    "l": 46.667
  },
  "oklch": {
    "l": 0.57623,
    "c": 0.05794,
    "h": 235.5
  },
  "luminance": 0.19439
}

Semantic roles & 50–950 ramp

primary

#577F97

secondary

#B6A194

accent

#8865C3

background

#F8FAFB

surface

#F0F4F6

border

#CBCED0

text

#0C0F11

muted

#7D7F80

Preview Lab

Preview with #577F97

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

Preview Lab → · Contrast checker → · Palette generator →