#57B0CF#57B0CF

#57B0CF is a light, moderate cyan. Relative luminance 0.376; OKLCH L 71.4% C 0.096 H 223.5°. Best body text is #000000 at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#57B0CF
RGB	rgb(87, 176, 207)
HSL	hsl(196, 56%, 58%)
HSV	hsv(196, 58%, 81%)
CMYK	cmyk(58%, 15%, 0%, 18.8%)
CIE-LAB	lab(67.71, -17.70, -23.78)
CIE-LCH	lch(67.71, 29.64, 233.33°)
OKLab	oklab(71.45% -0.0697 -0.0661)
OKLCH	oklch(71.45% 0.096 223.5)
XYZ	xyz(30.7139, 37.5790, 64.6542)
Luminance	0.3758 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B0CF #CF7657

analogous

#57CFB2 #57B0CF #5774CF

triadic

#57B0CF #CF57B0 #B0CF57

tetradic

#57B0CF #B257CF #CF7657 #74CF57

square

#57B0CF #B257CF #CF7657 #74CF57

split-complementary

#57B0CF #CF5774 #CFB257

monochromatic

#266D85 #3494B5 #57B0CF #87C6DD #B6DDEA

Accessibility & contrast

On white

2.47

#57B0CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.52

#57B0CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B0CF

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B0CF	#FFFFFF	#000000	##000000
##57B0CF	1.00	2.47	8.52	8.52
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.52	21.00	1.00	1.00
##000000	8.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EACD1

Deuteranopia (green-blind)

#8D9FCF

Tritanopia (blue-blind)

#00BABA

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #57b0cf;
/* rgb */ color: rgb(87, 176, 207);
/* oklch */ color: oklch(71.4% 0.096 223.5);

Tailwind

colors: {
  custom: {
    50: '#90c7dd',
    500: '#57b0cf',
    950: '#000000',
  },
}

SCSS

$custom: #57b0cf;
$custom-light: #90c7dd;
$custom-dark: #000000;

JSON

{
  "hex": "#57b0cf",
  "rgb": {
    "r": 87,
    "g": 176,
    "b": 207
  },
  "hsl": {
    "h": 195.5,
    "s": 55.556,
    "l": 57.647
  },
  "oklch": {
    "l": 0.71447,
    "c": 0.09608,
    "h": 223.5
  },
  "luminance": 0.37582
}

Semantic roles & 50–950 ramp

primary

#57B0CF

secondary

#D9B5A9

accent

#7049DF

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #57B0CF

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

Preview Lab → · Contrast checker → · Palette generator →