#577FA3#577FA3

#577FA3 is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 58.1% C 0.071 H 246.5°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#577FA3
RGB	rgb(87, 127, 163)
HSL	hsl(208, 30%, 49%)
HSV	hsv(208, 47%, 64%)
CMYK	cmyk(46.6%, 22.1%, 0%, 36.1%)
CIE-LAB	lab(51.66, -3.85, -23.55)
CIE-LCH	lch(51.66, 23.86, 260.72°)
OKLab	oklab(58.15% -0.0284 -0.0655)
OKLCH	oklch(58.15% 0.071 246.5)
XYZ	xyz(18.1285, 19.8481, 37.5190)
Luminance	0.1985 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577FA3 #A37B57

analogous

#57A3A1 #577FA3 #5759A3

triadic

#577FA3 #A3577F #7FA357

tetradic

#577FA3 #A157A3 #A37B57 #59A357

square

#577FA3 #A157A3 #A37B57 #59A357

split-complementary

#577FA3 #A35759 #A3A157

monochromatic

#2C4153 #42607B #577FA3 #7D9DBA #A5BBCF

Accessibility & contrast

On white

4.23

#577FA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#577FA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577FA3

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577FA3	#FFFFFF	#000000	##000000
##577FA3	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7080A5

Deuteranopia (green-blind)

#6678A2

Tritanopia (blue-blind)

#37878B

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #577fa3;
/* rgb */ color: rgb(87, 127, 163);
/* oklch */ color: oklch(58.1% 0.071 246.5);

Tailwind

colors: {
  custom: {
    50: '#8aa4be',
    500: '#577fa3',
    950: '#000000',
  },
}

SCSS

$custom: #577fa3;
$custom-light: #8aa4be;
$custom-dark: #000000;

JSON

{
  "hex": "#577fa3",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 163
  },
  "hsl": {
    "h": 208.421,
    "s": 30.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.58149,
    "c": 0.07141,
    "h": 246.5
  },
  "luminance": 0.19849
}

Semantic roles & 50–950 ramp

primary

#577FA3

secondary

#BDAA99

accent

#9161C7

background

#F8FAFB

surface

#F0F3F6

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #577FA3

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

Preview Lab → · Contrast checker → · Palette generator →