#57B2F4#57B2F4

#57B2F4 is a light, vivid cyan. Relative luminance 0.404; OKLCH L 73.6% C 0.129 H 242.8°. Best body text is #000000 at 9.08:1 contrast (WCAG AA passes).

Color values

HEX#57B2F4
RGBrgb(87, 178, 244)
HSLhsl(205, 88%, 65%)
HSVhsv(205, 64%, 96%)
CMYKcmyk(64.3%, 27%, 0%, 4.3%)
CIE-LABlab(69.75, -7.27, -40.86)
CIE-LCHlch(69.75, 41.50, 259.92°)
OKLaboklab(73.55% -0.0591 -0.1151)
OKLCHoklch(73.55% 0.129 242.8)
XYZxyz(36.1738, 40.3950, 91.4610)
Luminance0.4040 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57B2F4 #F49957
analogous
#57F4E7 #57B2F4 #5764F4
triadic
#57B2F4 #F457B2 #B2F457
tetradic
#57B2F4 #E757F4 #F49957 #64F457
square
#57B2F4 #E757F4 #F49957 #64F457
split-complementary
#57B2F4 #F45764 #F4E757
monochromatic
#0D77C4 #1E98F0 #57B2F4 #90CCF8 #CAE7FC

Accessibility & contrast

On white

2.31
#57B2F4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.08
#57B2F4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B2F4
9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57B2F4#FFFFFF#000000##000000
##57B2F41.002.319.089.08
#FFFFFF2.311.0021.0021.00
#0000009.0821.001.001.00
##0000009.0821.001.001.00

Color blindness preview

Protanopia (red-blind)
#94B3F7
Deuteranopia (green-blind)
#7FA4F3
Tritanopia (blue-blind)
#00C2C9
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #57b2f4;
/* rgb */ color: rgb(87, 178, 244);
/* oklch */ color: oklch(73.6% 0.129 242.8);
Tailwind
colors: {
  custom: {
    50: '#95c8f8',
    500: '#57b2f4',
    950: '#000000',
  },
}
SCSS
$custom: #57b2f4;
$custom-light: #95c8f8;
$custom-dark: #000000;
JSON
{
  "hex": "#57b2f4",
  "rgb": {
    "r": 87,
    "g": 178,
    "b": 244
  },
  "hsl": {
    "h": 205.223,
    "s": 87.709,
    "l": 64.902
  },
  "oklch": {
    "l": 0.73553,
    "c": 0.12941,
    "h": 242.8
  },
  "luminance": 0.40399
}

Semantic roles & 50–950 ramp

primary
#57B2F4
secondary
#EECFB9
accent
#6101E4
background
#F9FCFF
surface
#F2F8FF
border
#CCD1D7
text
#0E1317
muted
#7E8285

Preview Lab

Preview with #57B2F4

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

Preview Lab → · Contrast checker → · Palette generator →

#57B2F4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva