#57B7E4#57B7E4

#57B7E4 is a light, moderate cyan. Relative luminance 0.415; OKLCH L 73.9% C 0.111 H 231.2°. Best body text is #000000 at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#57B7E4
RGB	rgb(87, 183, 228)
HSL	hsl(199, 72%, 62%)
HSV	hsv(199, 62%, 89%)
CMYK	cmyk(61.8%, 19.7%, 0%, 10.6%)
CIE-LAB	lab(70.52, -15.01, -30.97)
CIE-LCH	lch(70.52, 34.41, 244.13°)
OKLab	oklab(73.95% -0.0695 -0.0866)
OKLCH	oklch(73.95% 0.111 231.2)
XYZ	xyz(34.8621, 41.4911, 79.5551)
Luminance	0.4149 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B7E4 #E48457

analogous

#57E4CB #57B7E4 #5771E4

triadic

#57B7E4 #E457B7 #B7E457

tetradic

#57B7E4 #CB57E4 #E48457 #71E457

square

#57B7E4 #CB57E4 #E48457 #71E457

split-complementary

#57B7E4 #E45771 #E4CB57

monochromatic

#1B79A6 #23A0DB #57B7E4 #8CCEEC #C0E4F5

Accessibility & contrast

On white

2.26

#57B7E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.30

#57B7E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B7E4

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B7E4	#FFFFFF	#000000	##000000
##57B7E4	1.00	2.26	9.30	9.30
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.30	21.00	1.00	1.00
##000000	9.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1B5E6

Deuteranopia (green-blind)

#8DA6E3

Tritanopia (blue-blind)

#00C3C6

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #57b7e4;
/* rgb */ color: rgb(87, 183, 228);
/* oklch */ color: oklch(73.9% 0.111 231.2);

Tailwind

colors: {
  custom: {
    50: '#93ccec',
    500: '#57b7e4',
    950: '#000000',
  },
}

SCSS

$custom: #57b7e4;
$custom-light: #93ccec;
$custom-dark: #000000;

JSON

{
  "hex": "#57b7e4",
  "rgb": {
    "r": 87,
    "g": 183,
    "b": 228
  },
  "hsl": {
    "h": 199.149,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.73948,
    "c": 0.11103,
    "h": 231.2
  },
  "luminance": 0.41495
}

Semantic roles & 50–950 ramp

primary

#57B7E4

secondary

#E6C2B1

accent

#4F11D4

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B7E4

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

Preview Lab → · Contrast checker → · Palette generator →