#57BBEA#57BBEA

#57BBEA is a light, moderate cyan. Relative luminance 0.435; OKLCH L 75.1% C 0.115 H 231.5°. Best body text is #000000 at 9.70:1 contrast (WCAG AA passes).

Color values

HEX#57BBEA
RGBrgb(87, 187, 234)
HSLhsl(199, 78%, 63%)
HSVhsv(199, 63%, 92%)
CMYKcmyk(62.8%, 20.1%, 0%, 8.2%)
CIE-LABlab(71.90, -15.28, -32.10)
CIE-LCHlch(71.90, 35.55, 244.55°)
OKLaboklab(75.12% -0.0715 -0.0898)
OKLCHoklch(75.12% 0.115 231.5)
XYZxyz(36.5463, 43.5037, 84.2970)
Luminance0.4351 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57BBEA #EA8657
analogous
#57EAD0 #57BBEA #5771EA
triadic
#57BBEA #EA57BB #BBEA57
tetradic
#57BBEA #D057EA #EA8657 #71EA57
square
#57BBEA #D057EA #EA8657 #71EA57
split-complementary
#57BBEA #EA5771 #EAD057
monochromatic
#167FB1 #21A5E3 #57BBEA #8DD1F1 #C4E7F8

Accessibility & contrast

On white

2.16
#57BBEA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.70
#57BBEA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BBEA
9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57BBEA#FFFFFF#000000##000000
##57BBEA1.002.169.709.70
#FFFFFF2.161.0021.0021.00
#0000009.7021.001.001.00
##0000009.7021.001.001.00

Color blindness preview

Protanopia (red-blind)
#A4B9EC
Deuteranopia (green-blind)
#8FAAE9
Tritanopia (blue-blind)
#00C8CB
Achromatopsia (no color)
#B0B0B0

Design tokens & code

CSS
--color: #57bbea;
/* rgb */ color: rgb(87, 187, 234);
/* oklch */ color: oklch(75.1% 0.115 231.5);
Tailwind
colors: {
  custom: {
    50: '#94cff1',
    500: '#57bbea',
    950: '#000000',
  },
}
SCSS
$custom: #57bbea;
$custom-light: #94cff1;
$custom-dark: #000000;
JSON
{
  "hex": "#57bbea",
  "rgb": {
    "r": 87,
    "g": 187,
    "b": 234
  },
  "hsl": {
    "h": 199.184,
    "s": 77.778,
    "l": 62.941
  },
  "oklch": {
    "l": 0.75121,
    "c": 0.11483,
    "h": 231.5
  },
  "luminance": 0.43507
}

Semantic roles & 50–950 ramp

primary
#57BBEA
secondary
#E9C5B4
accent
#4E0BDA
background
#F9FCFE
surface
#F2F9FD
border
#CCD2D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #57BBEA

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

Preview Lab → · Contrast checker → · Palette generator →

#57BBEA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva