#57A4EE#57A4EE

#57A4EE is a light, vivid cyan. Relative luminance 0.347; OKLCH L 70.2% C 0.133 H 249.4°. Best body text is #000000 at 7.95:1 contrast (WCAG AA passes).

Color values

HEX#57A4EE
RGBrgb(87, 164, 238)
HSLhsl(209, 82%, 64%)
HSVhsv(209, 63%, 93%)
CMYKcmyk(63.4%, 31.1%, 0%, 6.7%)
CIE-LABlab(65.55, -1.40, -44.17)
CIE-LCHlch(65.55, 44.19, 268.18°)
OKLaboklab(70.16% -0.0468 -0.1248)
OKLCHoklch(70.16% 0.133 249.4)
XYZxyz(32.6329, 34.7470, 85.8594)
Luminance0.3475 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57A4EE #EEA157
analogous
#57EEED #57A4EE #5758EE
triadic
#57A4EE #EE57A4 #A4EE57
tetradic
#57A4EE #ED57EE #EEA157 #58EE57
square
#57A4EE #ED57EE #EEA157 #58EE57
split-complementary
#57A4EE #EE5758 #EEED57
monochromatic
#1367B8 #1F86E8 #57A4EE #8FC2F4 #C6E0F9

Accessibility & contrast

On white

2.64
#57A4EE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.95
#57A4EE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A4EE
7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57A4EE#FFFFFF#000000##000000
##57A4EE1.002.647.957.95
#FFFFFF2.641.0021.0021.00
#0000007.9521.001.001.00
##0000007.9521.001.001.00

Color blindness preview

Protanopia (red-blind)
#84A7F1
Deuteranopia (green-blind)
#6F99ED
Tritanopia (blue-blind)
#00B5BE
Achromatopsia (no color)
#9F9F9F

Design tokens & code

CSS
--color: #57a4ee;
/* rgb */ color: rgb(87, 164, 238);
/* oklch */ color: oklch(70.2% 0.133 249.4);
Tailwind
colors: {
  custom: {
    50: '#94bef4',
    500: '#57a4ee',
    950: '#000000',
  },
}
SCSS
$custom: #57a4ee;
$custom-light: #94bef4;
$custom-dark: #000000;
JSON
{
  "hex": "#57a4ee",
  "rgb": {
    "r": 87,
    "g": 164,
    "b": 238
  },
  "hsl": {
    "h": 209.404,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.70156,
    "c": 0.13333,
    "h": 249.4
  },
  "luminance": 0.3475
}

Semantic roles & 50–950 ramp

primary
#57A4EE
secondary
#EBD0B6
accent
#7108DE
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1217
muted
#7E8185

Preview Lab

Preview with #57A4EE

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

Preview Lab → · Contrast checker → · Palette generator →

#57A4EE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva