#57B1F2#57B1F2

#57B1F2 is a light, vivid cyan. Relative luminance 0.399; OKLCH L 73.2% C 0.128 H 242.7°. Best body text is #000000 at 8.98:1 contrast (WCAG AA passes).

Color values

HEX#57B1F2
RGBrgb(87, 177, 242)
HSLhsl(205, 86%, 65%)
HSVhsv(205, 64%, 95%)
CMYKcmyk(64%, 26.9%, 0%, 5.1%)
CIE-LABlab(69.38, -7.36, -40.35)
CIE-LCHlch(69.38, 41.02, 259.66°)
OKLaboklab(73.23% -0.0587 -0.1136)
OKLCHoklch(73.23% 0.128 242.7)
XYZxyz(35.6736, 39.8777, 89.8043)
Luminance0.3988 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57B1F2 #F29857
analogous
#57F2E5 #57B1F2 #5764F2
triadic
#57B1F2 #F257B1 #B1F257
tetradic
#57B1F2 #E557F2 #F29857 #64F257
square
#57B1F2 #E557F2 #F29857 #64F257
split-complementary
#57B1F2 #F25764 #F2E557
monochromatic
#0F76C0 #1E97EE #57B1F2 #90CBF6 #C9E6FB

Accessibility & contrast

On white

2.34
#57B1F2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.98
#57B1F2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B1F2
8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57B1F2#FFFFFF#000000##000000
##57B1F21.002.348.988.98
#FFFFFF2.341.0021.0021.00
#0000008.9821.001.001.00
##0000008.9821.001.001.00

Color blindness preview

Protanopia (red-blind)
#94B2F5
Deuteranopia (green-blind)
#7FA3F1
Tritanopia (blue-blind)
#00C1C7
Achromatopsia (no color)
#A9A9A9

Design tokens & code

CSS
--color: #57b1f2;
/* rgb */ color: rgb(87, 177, 242);
/* oklch */ color: oklch(73.2% 0.128 242.7);
Tailwind
colors: {
  custom: {
    50: '#95c8f6',
    500: '#57b1f2',
    950: '#000000',
  },
}
SCSS
$custom: #57b1f2;
$custom-light: #95c8f6;
$custom-dark: #000000;
JSON
{
  "hex": "#57b1f2",
  "rgb": {
    "r": 87,
    "g": 177,
    "b": 242
  },
  "hsl": {
    "h": 205.161,
    "s": 85.635,
    "l": 64.51
  },
  "oklch": {
    "l": 0.73234,
    "c": 0.12792,
    "h": 242.7
  },
  "luminance": 0.39881
}

Semantic roles & 50–950 ramp

primary
#57B1F2
secondary
#EDCEB8
accent
#6103E2
background
#F9FCFF
surface
#F2F8FE
border
#CCD1D6
text
#0E1317
muted
#7E8285

Preview Lab

Preview with #57B1F2

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

Preview Lab → · Contrast checker → · Palette generator →

#57B1F2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva