#57B5E4#57B5E4

#57B5E4 is a light, moderate cyan. Relative luminance 0.407; OKLCH L 73.5% C 0.112 H 232.9°. Best body text is #000000 at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#57B5E4
RGB	rgb(87, 181, 228)
HSL	hsl(200, 72%, 62%)
HSV	hsv(200, 62%, 89%)
CMYK	cmyk(61.8%, 20.6%, 0%, 10.6%)
CIE-LAB	lab(69.95, -13.95, -31.85)
CIE-LCH	lch(69.95, 34.77, 246.35°)
OKLab	oklab(73.49% -0.0674 -0.0891)
OKLCH	oklch(73.49% 0.112 232.9)
XYZ	xyz(34.4525, 40.6720, 79.4186)
Luminance	0.4068 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B5E4 #E48657

analogous

#57E4CD #57B5E4 #576FE4

triadic

#57B5E4 #E457B5 #B5E457

tetradic

#57B5E4 #CD57E4 #E48657 #6FE457

square

#57B5E4 #CD57E4 #E48657 #6FE457

split-complementary

#57B5E4 #E4576F #E4CD57

monochromatic

#1B78A6 #239DDB #57B5E4 #8CCCEC #C0E3F5

Accessibility & contrast

On white

2.30

#57B5E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.14

#57B5E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B5E4

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B5E4	#FFFFFF	#000000	##000000
##57B5E4	1.00	2.30	9.14	9.14
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.14	21.00	1.00	1.00
##000000	9.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EB3E6

Deuteranopia (green-blind)

#8AA5E3

Tritanopia (blue-blind)

#00C2C5

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #57b5e4;
/* rgb */ color: rgb(87, 181, 228);
/* oklch */ color: oklch(73.5% 0.112 232.9);

Tailwind

colors: {
  custom: {
    50: '#93cbec',
    500: '#57b5e4',
    950: '#000000',
  },
}

SCSS

$custom: #57b5e4;
$custom-light: #93cbec;
$custom-dark: #000000;

JSON

{
  "hex": "#57b5e4",
  "rgb": {
    "r": 87,
    "g": 181,
    "b": 228
  },
  "hsl": {
    "h": 200,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.73492,
    "c": 0.11175,
    "h": 232.9
  },
  "luminance": 0.40675
}

Semantic roles & 50–950 ramp

primary

#57B5E4

secondary

#E6C3B1

accent

#5211D4

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B5E4

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

Preview Lab → · Contrast checker → · Palette generator →