#577FA1#577FA1

#577FA1 is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 58.1% C 0.069 H 245.0°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#577FA1
RGB	rgb(87, 127, 161)
HSL	hsl(208, 30%, 49%)
HSV	hsv(208, 46%, 63%)
CMYK	cmyk(46%, 21.1%, 0%, 36.9%)
CIE-LAB	lab(51.58, -4.44, -22.51)
CIE-LCH	lch(51.58, 22.95, 258.84°)
OKLab	oklab(58.06% -0.0291 -0.0626)
OKLCH	oklch(58.06% 0.069 245)
XYZ	xyz(17.9507, 19.7770, 36.5827)
Luminance	0.1978 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577FA1 #A17957

analogous

#57A19E #577FA1 #575AA1

triadic

#577FA1 #A1577F #7FA157

tetradic

#577FA1 #9E57A1 #A17957 #5AA157

square

#577FA1 #9E57A1 #A17957 #5AA157

split-complementary

#577FA1 #A1575A #A19E57

monochromatic

#2C4052 #426079 #577FA1 #7D9DB9 #A4BBCE

Accessibility & contrast

On white

4.24

#577FA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#577FA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577FA1

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577FA1	#FFFFFF	#000000	##000000
##577FA1	1.00	4.24	4.96	4.96
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#717FA3

Deuteranopia (green-blind)

#6778A0

Tritanopia (blue-blind)

#38878A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #577fa1;
/* rgb */ color: rgb(87, 127, 161);
/* oklch */ color: oklch(58.1% 0.069 245.0);

Tailwind

colors: {
  custom: {
    50: '#8aa4bd',
    500: '#577fa1',
    950: '#000000',
  },
}

SCSS

$custom: #577fa1;
$custom-light: #8aa4bd;
$custom-dark: #000000;

JSON

{
  "hex": "#577fa1",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 161
  },
  "hsl": {
    "h": 207.568,
    "s": 29.839,
    "l": 48.627
  },
  "oklch": {
    "l": 0.58058,
    "c": 0.06901,
    "h": 245
  },
  "luminance": 0.19778
}

Semantic roles & 50–950 ramp

primary

#577FA1

secondary

#BCA898

accent

#9062C6

background

#F8FAFB

surface

#F0F3F6

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #577FA1

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

Preview Lab → · Contrast checker → · Palette generator →