#57A3DF#57A3DF

#57A3DF is a light, moderate cyan. Relative luminance 0.335; OKLCH L 69.2% C 0.117 H 244.5°. Best body text is #000000 at 7.71:1 contrast (WCAG AA passes).

Color values

HEX#57A3DF
RGBrgb(87, 163, 223)
HSLhsl(206, 68%, 61%)
HSVhsv(206, 61%, 87%)
CMYKcmyk(61%, 26.9%, 0%, 12.5%)
CIE-LABlab(64.60, -5.69, -37.41)
CIE-LCHlch(64.60, 37.84, 261.35°)
OKLaboklab(69.19% -0.0502 -0.1052)
OKLCHoklch(69.19% 0.117 244.5)
XYZxyz(30.3420, 33.5454, 74.6736)
Luminance0.3355 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57A3DF #DF9357
analogous
#57DFD7 #57A3DF #575FDF
triadic
#57A3DF #DF57A3 #A3DF57
tetradic
#57A3DF #D757DF #DF9357 #5FDF57
square
#57A3DF #D757DF #DF9357 #5FDF57
split-complementary
#57A3DF #DF575F #DFD757
monochromatic
#1E659E #2886D1 #57A3DF #8ABFE9 #BEDBF3

Accessibility & contrast

On white

2.72
#57A3DF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.71
#57A3DF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A3DF
7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57A3DF#FFFFFF#000000##000000
##57A3DF1.002.727.717.71
#FFFFFF2.721.0021.0021.00
#0000007.7121.001.001.00
##0000007.7121.001.001.00

Color blindness preview

Protanopia (red-blind)
#89A4E2
Deuteranopia (green-blind)
#7697DE
Tritanopia (blue-blind)
#00B1B8
Achromatopsia (no color)
#9D9D9D

Design tokens & code

CSS
--color: #57a3df;
/* rgb */ color: rgb(87, 163, 223);
/* oklch */ color: oklch(69.2% 0.117 244.5);
Tailwind
colors: {
  custom: {
    50: '#92bee9',
    500: '#57a3df',
    950: '#000000',
  },
}
SCSS
$custom: #57a3df;
$custom-light: #92bee9;
$custom-dark: #000000;
JSON
{
  "hex": "#57a3df",
  "rgb": {
    "r": 87,
    "g": 163,
    "b": 223
  },
  "hsl": {
    "h": 206.471,
    "s": 68,
    "l": 60.784
  },
  "oklch": {
    "l": 0.69187,
    "c": 0.11659,
    "h": 244.5
  },
  "luminance": 0.33548
}

Semantic roles & 50–950 ramp

primary
#57A3DF
secondary
#E3C6AF
accent
#6816D0
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1216
muted
#7E8184

Preview Lab

Preview with #57A3DF

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

Preview Lab → · Contrast checker → · Palette generator →

#57A3DF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva