#57B9DE#57B9DE

#57B9DE is a light, moderate cyan. Relative luminance 0.420; OKLCH L 74.2% C 0.106 H 225.8°. Best body text is #000000 at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#57B9DE
RGB	rgb(87, 185, 222)
HSL	hsl(196, 67%, 61%)
HSV	hsv(196, 61%, 87%)
CMYK	cmyk(60.8%, 16.7%, 0%, 12.9%)
CIE-LAB	lab(70.87, -17.90, -27.16)
CIE-LCH	lch(70.87, 32.53, 236.61°)
OKLab	oklab(74.15% -0.0737 -0.0757)
OKLCH	oklch(74.15% 0.106 225.8)
XYZ	xyz(34.4591, 41.9946, 75.3828)
Luminance	0.4200 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B9DE #DE7C57

analogous

#57DEBF #57B9DE #5776DE

triadic

#57B9DE #DE57B9 #B9DE57

tetradic

#57B9DE #BF57DE #DE7C57 #76DE57

square

#57B9DE #BF57DE #DE7C57 #76DE57

split-complementary

#57B9DE #DE5776 #DEBF57

monochromatic

#1F7A9C #29A2CF #57B9DE #8ACEE8 #BDE4F2

Accessibility & contrast

On white

2.23

#57B9DE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.40

#57B9DE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B9DE

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B9DE	#FFFFFF	#000000	##000000
##57B9DE	1.00	2.23	9.40	9.40
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.40	21.00	1.00	1.00
##000000	9.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B5E0

Deuteranopia (green-blind)

#92A7DE

Tritanopia (blue-blind)

#00C4C5

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #57b9de;
/* rgb */ color: rgb(87, 185, 222);
/* oklch */ color: oklch(74.2% 0.106 225.8);

Tailwind

colors: {
  custom: {
    50: '#92cee8',
    500: '#57b9de',
    950: '#000000',
  },
}

SCSS

$custom: #57b9de;
$custom-light: #92cee8;
$custom-dark: #000000;

JSON

{
  "hex": "#57b9de",
  "rgb": {
    "r": 87,
    "g": 185,
    "b": 222
  },
  "hsl": {
    "h": 196.444,
    "s": 67.164,
    "l": 60.588
  },
  "oklch": {
    "l": 0.74151,
    "c": 0.10569,
    "h": 225.8
  },
  "luminance": 0.41998
}

Semantic roles & 50–950 ramp

primary

#57B9DE

secondary

#E2BDAF

accent

#4916CF

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B9DE

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

Preview Lab → · Contrast checker → · Palette generator →