#577FA4#577FA4

#577FA4 is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 58.2% C 0.073 H 247.3°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#577FA4
RGB	rgb(87, 127, 164)
HSL	hsl(209, 31%, 49%)
HSV	hsv(209, 47%, 64%)
CMYK	cmyk(47%, 22.6%, 0%, 35.7%)
CIE-LAB	lab(51.71, -3.55, -24.07)
CIE-LCH	lch(51.71, 24.33, 261.62°)
OKLab	oklab(58.19% -0.0281 -0.067)
OKLCH	oklch(58.19% 0.073 247.3)
XYZ	xyz(18.2184, 19.8841, 37.9928)
Luminance	0.1988 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577FA4 #A47C57

analogous

#57A4A3 #577FA4 #5759A4

triadic

#577FA4 #A4577F #7FA457

tetradic

#577FA4 #A357A4 #A47C57 #59A457

square

#577FA4 #A357A4 #A47C57 #59A457

split-complementary

#577FA4 #A45759 #A4A357

monochromatic

#2D4154 #42607C #577FA4 #7E9DBA #A6BCD0

Accessibility & contrast

On white

4.22

#577FA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#577FA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577FA4

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577FA4	#FFFFFF	#000000	##000000
##577FA4	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7080A6

Deuteranopia (green-blind)

#6678A3

Tritanopia (blue-blind)

#36888B

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #577fa4;
/* rgb */ color: rgb(87, 127, 164);
/* oklch */ color: oklch(58.2% 0.073 247.3);

Tailwind

colors: {
  custom: {
    50: '#8aa4bf',
    500: '#577fa4',
    950: '#000000',
  },
}

SCSS

$custom: #577fa4;
$custom-light: #8aa4bf;
$custom-dark: #000000;

JSON

{
  "hex": "#577fa4",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 164
  },
  "hsl": {
    "h": 208.831,
    "s": 30.677,
    "l": 49.216
  },
  "oklch": {
    "l": 0.58195,
    "c": 0.07264,
    "h": 247.3
  },
  "luminance": 0.19885
}

Semantic roles & 50–950 ramp

primary

#577FA4

secondary

#BDAB99

accent

#9261C7

background

#F8FAFB

surface

#F0F3F7

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #577FA4

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

Preview Lab → · Contrast checker → · Palette generator →