#577FA0#577FA0

#577FA0 is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 58.0% C 0.068 H 244.2°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#577FA0
RGB	rgb(87, 127, 160)
HSL	hsl(207, 30%, 48%)
HSV	hsv(207, 46%, 63%)
CMYK	cmyk(45.6%, 20.6%, 0%, 37.3%)
CIE-LAB	lab(51.54, -4.74, -21.99)
CIE-LCH	lch(51.54, 22.50, 257.84°)
OKLab	oklab(58.01% -0.0295 -0.0611)
OKLCH	oklch(58.01% 0.068 244.2)
XYZ	xyz(17.8628, 19.7418, 36.1202)
Luminance	0.1974 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577FA0 #A07857

analogous

#57A09C #577FA0 #575AA0

triadic

#577FA0 #A0577F #7FA057

tetradic

#577FA0 #9C57A0 #A07857 #5AA057

square

#577FA0 #9C57A0 #A07857 #5AA057

split-complementary

#577FA0 #A0575A #A09C57

monochromatic

#2C4051 #416078 #577FA0 #7C9DB8 #A4BBCD

Accessibility & contrast

On white

4.24

#577FA0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#577FA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577FA0

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577FA0	#FFFFFF	#000000	##000000
##577FA0	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#717FA2

Deuteranopia (green-blind)

#68779F

Tritanopia (blue-blind)

#39878A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #577fa0;
/* rgb */ color: rgb(87, 127, 160);
/* oklch */ color: oklch(58.0% 0.068 244.2);

Tailwind

colors: {
  custom: {
    50: '#8aa4bc',
    500: '#577fa0',
    950: '#000000',
  },
}

SCSS

$custom: #577fa0;
$custom-light: #8aa4bc;
$custom-dark: #000000;

JSON

{
  "hex": "#577fa0",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 160
  },
  "hsl": {
    "h": 207.123,
    "s": 29.555,
    "l": 48.431
  },
  "oklch": {
    "l": 0.58013,
    "c": 0.06783,
    "h": 244.2
  },
  "luminance": 0.19743
}

Semantic roles & 50–950 ramp

primary

#577FA0

secondary

#BBA898

accent

#8F62C6

background

#F8FAFB

surface

#F0F3F6

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #577FA0

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

Preview Lab → · Contrast checker → · Palette generator →