#57A9E7#57A9E7

#57A9E7 is a light, vivid cyan. Relative luminance 0.362; OKLCH L 70.9% C 0.121 H 243.6°. Best body text is #000000 at 8.23:1 contrast (WCAG AA passes).

Color values

HEX#57A9E7
RGBrgb(87, 169, 231)
HSLhsl(206, 75%, 62%)
HSVhsv(206, 62%, 91%)
CMYKcmyk(62.3%, 26.8%, 0%, 9.4%)
CIE-LABlab(66.65, -6.47, -38.61)
CIE-LCHlch(66.65, 39.15, 260.48°)
OKLaboklab(70.92% -0.054 -0.1087)
OKLCHoklch(70.92% 0.121 243.6)
XYZxyz(32.5368, 36.1685, 80.8523)
Luminance0.3617 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57A9E7 #E79557
analogous
#57E7DD #57A9E7 #5761E7
triadic
#57A9E7 #E757A9 #A9E757
tetradic
#57A9E7 #DD57E7 #E79557 #61E757
square
#57A9E7 #DD57E7 #E79557 #61E757
split-complementary
#57A9E7 #E75761 #E7DD57
monochromatic
#186CAB #218EDF #57A9E7 #8DC4EF #C2E0F6

Accessibility & contrast

On white

2.55
#57A9E7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.23
#57A9E7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A9E7
8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57A9E7#FFFFFF#000000##000000
##57A9E71.002.558.238.23
#FFFFFF2.551.0021.0021.00
#0000008.2321.001.001.00
##0000008.2321.001.001.00

Color blindness preview

Protanopia (red-blind)
#8DAAEA
Deuteranopia (green-blind)
#7A9CE6
Tritanopia (blue-blind)
#00B8BE
Achromatopsia (no color)
#A2A2A2

Design tokens & code

CSS
--color: #57a9e7;
/* rgb */ color: rgb(87, 169, 231);
/* oklch */ color: oklch(70.9% 0.121 243.6);
Tailwind
colors: {
  custom: {
    50: '#93c2ef',
    500: '#57a9e7',
    950: '#000000',
  },
}
SCSS
$custom: #57a9e7;
$custom-light: #93c2ef;
$custom-dark: #000000;
JSON
{
  "hex": "#57a9e7",
  "rgb": {
    "r": 87,
    "g": 169,
    "b": 231
  },
  "hsl": {
    "h": 205.833,
    "s": 75,
    "l": 62.353
  },
  "oklch": {
    "l": 0.70918,
    "c": 0.12134,
    "h": 243.6
  },
  "luminance": 0.36172
}

Semantic roles & 50–950 ramp

primary
#57A9E7
secondary
#E7C9B3
accent
#650ED7
background
#F9FBFE
surface
#F2F7FD
border
#CCD0D5
text
#0E1216
muted
#7E8184

Preview Lab

Preview with #57A9E7

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

Preview Lab → · Contrast checker → · Palette generator →

#57A9E7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva