#57A5F4#57A5F4

#57A5F4 is a light, vivid cyan. Relative luminance 0.355; OKLCH L 70.7% C 0.140 H 250.7°. Best body text is #000000 at 8.09:1 contrast (WCAG AA passes).

Color values

HEX#57A5F4
RGBrgb(87, 165, 244)
HSLhsl(210, 88%, 65%)
HSVhsv(210, 64%, 96%)
CMYKcmyk(64.3%, 32.4%, 0%, 4.3%)
CIE-LABlab(66.11, 0.00, -46.57)
CIE-LCHlch(66.11, 46.57, 270.00°)
OKLaboklab(70.69% -0.0462 -0.1318)
OKLCHoklch(70.69% 0.14 250.7)
XYZxyz(33.7087, 35.4648, 90.6393)
Luminance0.3547 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57A5F4 #F4A657
analogous
#57F3F4 #57A5F4 #5857F4
triadic
#57A5F4 #F457A5 #A5F457
tetradic
#57A5F4 #F457F3 #F4A657 #57F458
square
#57A5F4 #F457F3 #F4A657 #57F458
split-complementary
#57A5F4 #F45857 #F3F457
monochromatic
#0D68C4 #1E86F0 #57A5F4 #90C4F8 #CAE3FC

Accessibility & contrast

On white

2.59
#57A5F4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.09
#57A5F4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A5F4
8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57A5F4#FFFFFF#000000##000000
##57A5F41.002.598.098.09
#FFFFFF2.591.0021.0021.00
#0000008.0921.001.001.00
##0000008.0921.001.001.00

Color blindness preview

Protanopia (red-blind)
#83A9F7
Deuteranopia (green-blind)
#6D9AF2
Tritanopia (blue-blind)
#00B7C1
Achromatopsia (no color)
#A1A1A1

Design tokens & code

CSS
--color: #57a5f4;
/* rgb */ color: rgb(87, 165, 244);
/* oklch */ color: oklch(70.7% 0.140 250.7);
Tailwind
colors: {
  custom: {
    50: '#95bff8',
    500: '#57a5f4',
    950: '#000000',
  },
}
SCSS
$custom: #57a5f4;
$custom-light: #95bff8;
$custom-dark: #000000;
JSON
{
  "hex": "#57a5f4",
  "rgb": {
    "r": 87,
    "g": 165,
    "b": 244
  },
  "hsl": {
    "h": 210.191,
    "s": 87.709,
    "l": 64.902
  },
  "oklch": {
    "l": 0.70685,
    "c": 0.13967,
    "h": 250.7
  },
  "luminance": 0.35468
}

Semantic roles & 50–950 ramp

primary
#57A5F4
secondary
#EED4B9
accent
#7301E4
background
#F9FBFF
surface
#F2F6FF
border
#CCD0D7
text
#0E1217
muted
#7E8185

Preview Lab

Preview with #57A5F4

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

Preview Lab → · Contrast checker → · Palette generator →

#57A5F4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva