#57B5DA#57B5DA

#57B5DA is a light, moderate cyan. Relative luminance 0.401; OKLCH L 73.1% C 0.103 H 226.6°. Best body text is #000000 at 9.03:1 contrast (WCAG AA passes).

Color values

HEX#57B5DA
RGBrgb(87, 181, 218)
HSLhsl(197, 64%, 60%)
HSVhsv(197, 60%, 85%)
CMYKcmyk(60.1%, 17%, 0%, 14.5%)
CIE-LABlab(69.56, -17.02, -26.97)
CIE-LCHlch(69.56, 31.89, 237.75°)
OKLaboklab(73.06% -0.071 -0.0752)
OKLCHoklch(73.06% 0.103 226.6)
XYZxyz(33.1043, 40.1327, 72.3179)
Luminance0.4014 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57B5DA #DA7C57
analogous
#57DABE #57B5DA #5773DA
triadic
#57B5DA #DA57B5 #B5DA57
tetradic
#57B5DA #BE57DA #DA7C57 #73DA57
square
#57B5DA #BE57DA #DA7C57 #73DA57
split-complementary
#57B5DA #DA5773 #DABE57
monochromatic
#217596 #2C9CC8 #57B5DA #89CBE5 #BBE1F0

Accessibility & contrast

On white

2.33
#57B5DA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.03
#57B5DA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B5DA
9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57B5DA#FFFFFF#000000##000000
##57B5DA1.002.339.039.03
#FFFFFF2.331.0021.0021.00
#0000009.0321.001.001.00
##0000009.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#A1B2DC
Deuteranopia (green-blind)
#8FA4DA
Tritanopia (blue-blind)
#00C0C1
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #57b5da;
/* rgb */ color: rgb(87, 181, 218);
/* oklch */ color: oklch(73.1% 0.103 226.6);
Tailwind
colors: {
  custom: {
    50: '#92cbe5',
    500: '#57b5da',
    950: '#000000',
  },
}
SCSS
$custom: #57b5da;
$custom-light: #92cbe5;
$custom-dark: #000000;
JSON
{
  "hex": "#57b5da",
  "rgb": {
    "r": 87,
    "g": 181,
    "b": 218
  },
  "hsl": {
    "h": 196.947,
    "s": 63.902,
    "l": 59.804
  },
  "oklch": {
    "l": 0.73062,
    "c": 0.10341,
    "h": 226.6
  },
  "luminance": 0.40136
}

Semantic roles & 50–950 ramp

primary
#57B5DA
secondary
#E0BBAD
accent
#7041E7
background
#F9FCFE
surface
#F2F8FC
border
#CCD1D5
text
#0E1315
muted
#7E8284

Preview Lab

Preview with #57B5DA

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

Preview Lab → · Contrast checker → · Palette generator →

#57B5DA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva