#57BFEA#57BFEA

#57BFEA is a light, moderate cyan. Relative luminance 0.452; OKLCH L 76.0% C 0.114 H 228.3°. Best body text is #000000 at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#57BFEA
RGB	rgb(87, 191, 234)
HSL	hsl(198, 78%, 63%)
HSV	hsv(198, 63%, 92%)
CMYK	cmyk(62.8%, 18.4%, 0%, 8.2%)
CIE-LAB	lab(73.04, -17.38, -30.34)
CIE-LCH	lch(73.04, 34.96, 240.20°)
OKLab	oklab(76.03% -0.0756 -0.0848)
OKLCH	oklch(76.03% 0.114 228.3)
XYZ	xyz(37.4067, 45.2245, 84.5838)
Luminance	0.4523 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BFEA #EA8257

analogous

#57EACB #57BFEA #5775EA

triadic

#57BFEA #EA57BF #BFEA57

tetradic

#57BFEA #CB57EA #EA8257 #75EA57

square

#57BFEA #CB57EA #EA8257 #75EA57

split-complementary

#57BFEA #EA5775 #EACB57

monochromatic

#1683B1 #21AAE3 #57BFEA #8DD4F1 #C4E8F8

Accessibility & contrast

On white

2.09

#57BFEA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.05

#57BFEA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BFEA

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BFEA	#FFFFFF	#000000	##000000
##57BFEA	1.00	2.09	10.05	10.05
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.05	21.00	1.00	1.00
##000000	10.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9BCEC

Deuteranopia (green-blind)

#94ADE9

Tritanopia (blue-blind)

#00CBCD

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #57bfea;
/* rgb */ color: rgb(87, 191, 234);
/* oklch */ color: oklch(76.0% 0.114 228.3);

Tailwind

colors: {
  custom: {
    50: '#94d2f0',
    500: '#57bfea',
    950: '#000000',
  },
}

SCSS

$custom: #57bfea;
$custom-light: #94d2f0;
$custom-dark: #000000;

JSON

{
  "hex": "#57bfea",
  "rgb": {
    "r": 87,
    "g": 191,
    "b": 234
  },
  "hsl": {
    "h": 197.551,
    "s": 77.778,
    "l": 62.941
  },
  "oklch": {
    "l": 0.76033,
    "c": 0.1136,
    "h": 228.3
  },
  "luminance": 0.45228
}

Semantic roles & 50–950 ramp

primary

#57BFEA

secondary

#E9C3B4

accent

#480BDA

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #57BFEA

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

Preview Lab → · Contrast checker → · Palette generator →