#57A0EE#57A0EE

#57A0EE is a light, vivid cyan. Relative luminance 0.333; OKLCH L 69.3% C 0.137 H 251.8°. Best body text is #000000 at 7.67:1 contrast (WCAG AA passes).

Color values

HEX#57A0EE
RGBrgb(87, 160, 238)
HSLhsl(211, 82%, 64%)
HSVhsv(211, 63%, 93%)
CMYKcmyk(63.4%, 32.8%, 0%, 6.7%)
CIE-LABlab(64.43, 0.88, -45.93)
CIE-LCHlch(64.43, 45.93, 271.10°)
OKLaboklab(69.28% -0.0428 -0.13)
OKLCHoklch(69.28% 0.137 251.8)
XYZxyz(31.9283, 33.3378, 85.6246)
Luminance0.3334 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57A0EE #EEA557
analogous
#57ECEE #57A0EE #5957EE
triadic
#57A0EE #EE57A0 #A0EE57
tetradic
#57A0EE #EE57EC #EEA557 #57EE59
square
#57A0EE #EE57EC #EEA557 #57EE59
split-complementary
#57A0EE #EE5957 #ECEE57
monochromatic
#1363B8 #1F81E8 #57A0EE #8FBFF4 #C6DFF9

Accessibility & contrast

On white

2.74
#57A0EE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.67
#57A0EE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A0EE
7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57A0EE#FFFFFF#000000##000000
##57A0EE1.002.747.677.67
#FFFFFF2.741.0021.0021.00
#0000007.6721.001.001.00
##0000007.6721.001.001.00

Color blindness preview

Protanopia (red-blind)
#7EA4F1
Deuteranopia (green-blind)
#6996EC
Tritanopia (blue-blind)
#00B2BC
Achromatopsia (no color)
#9C9C9C

Design tokens & code

CSS
--color: #57a0ee;
/* rgb */ color: rgb(87, 160, 238);
/* oklch */ color: oklch(69.3% 0.137 251.8);
Tailwind
colors: {
  custom: {
    50: '#94bbf4',
    500: '#57a0ee',
    950: '#000000',
  },
}
SCSS
$custom: #57a0ee;
$custom-light: #94bbf4;
$custom-dark: #000000;
JSON
{
  "hex": "#57a0ee",
  "rgb": {
    "r": 87,
    "g": 160,
    "b": 238
  },
  "hsl": {
    "h": 210.993,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.69279,
    "c": 0.13685,
    "h": 251.8
  },
  "luminance": 0.33341
}

Semantic roles & 50–950 ramp

primary
#57A0EE
secondary
#EBD1B6
accent
#7608DE
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1117
muted
#7E8085

Preview Lab

Preview with #57A0EE

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

Preview Lab → · Contrast checker → · Palette generator →

#57A0EE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva