#57A2EF#57A2EF

#57A2EF is a light, vivid cyan. Relative luminance 0.341; OKLCH L 69.8% C 0.136 H 250.9°. Best body text is #000000 at 7.82:1 contrast (WCAG AA passes).

Color values

HEX#57A2EF
RGBrgb(87, 162, 239)
HSLhsl(210, 83%, 64%)
HSVhsv(210, 64%, 94%)
CMYKcmyk(63.6%, 32.2%, 0%, 6.3%)
CIE-LABlab(65.04, 0.07, -45.52)
CIE-LCHlch(65.04, 45.52, 270.08°)
OKLaboklab(69.77% -0.0445 -0.1288)
OKLCHoklch(69.77% 0.136 250.9)
XYZxyz(32.4251, 34.0957, 86.5169)
Luminance0.3410 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57A2EF #EFA457
analogous
#57EEEF #57A2EF #5857EF
triadic
#57A2EF #EF57A2 #A2EF57
tetradic
#57A2EF #EF57EE #EFA457 #57EF58
square
#57A2EF #EF57EE #EFA457 #57EF58
split-complementary
#57A2EF #EF5857 #EEEF57
monochromatic
#1265BA #1F83EA #57A2EF #8FC1F4 #C7E0FA

Accessibility & contrast

On white

2.69
#57A2EF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.82
#57A2EF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A2EF
7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57A2EF#FFFFFF#000000##000000
##57A2EF1.002.697.827.82
#FFFFFF2.691.0021.0021.00
#0000007.8221.001.001.00
##0000007.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#81A6F2
Deuteranopia (green-blind)
#6C97ED
Tritanopia (blue-blind)
#00B4BE
Achromatopsia (no color)
#9E9E9E

Design tokens & code

CSS
--color: #57a2ef;
/* rgb */ color: rgb(87, 162, 239);
/* oklch */ color: oklch(69.8% 0.136 250.9);
Tailwind
colors: {
  custom: {
    50: '#94bdf4',
    500: '#57a2ef',
    950: '#000000',
  },
}
SCSS
$custom: #57a2ef;
$custom-light: #94bdf4;
$custom-dark: #000000;
JSON
{
  "hex": "#57a2ef",
  "rgb": {
    "r": 87,
    "g": 162,
    "b": 239
  },
  "hsl": {
    "h": 210.395,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.69769,
    "c": 0.13627,
    "h": 250.9
  },
  "luminance": 0.34099
}

Semantic roles & 50–950 ramp

primary
#57A2EF
secondary
#ECD1B6
accent
#7406DF
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1217
muted
#7E8185

Preview Lab

Preview with #57A2EF

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

Preview Lab → · Contrast checker → · Palette generator →

#57A2EF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva