#57B3FA#57B3FA

#57B3FA is a light, vivid cyan. Relative luminance 0.412; OKLCH L 74.1% C 0.135 H 244.5°. Best body text is #000000 at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#57B3FA
RGB	rgb(87, 179, 250)
HSL	hsl(206, 94%, 66%)
HSV	hsv(206, 65%, 98%)
CMYK	cmyk(65.2%, 28.4%, 0%, 2%)
CIE-LAB	lab(70.29, -5.88, -43.27)
CIE-LCH	lch(70.29, 43.67, 262.26°)
OKLab	oklab(74.07% -0.0583 -0.1221)
OKLCH	oklch(74.07% 0.135 244.5)
XYZ	xyz(37.2994, 41.1647, 96.4038)
Luminance	0.4117 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B3FA #FA9E57

analogous

#57FAF0 #57B3FA #5761FA

triadic

#57B3FA #FA57B3 #B3FA57

tetradic

#57B3FA #F057FA #FA9E57 #61FA57

square

#57B3FA #F057FA #FA9E57 #61FA57

split-complementary

#57B3FA #FA5761 #FAF057

monochromatic

#0678D0 #1C98F8 #57B3FA #92CEFC #CEE9FE

Accessibility & contrast

On white

2.27

#57B3FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.23

#57B3FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B3FA

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B3FA	#FFFFFF	#000000	##000000
##57B3FA	1.00	2.27	9.23	9.23
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.23	21.00	1.00	1.00
##000000	9.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93B5FD

Deuteranopia (green-blind)

#7DA5F9

Tritanopia (blue-blind)

#00C4CC

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #57b3fa;
/* rgb */ color: rgb(87, 179, 250);
/* oklch */ color: oklch(74.1% 0.135 244.5);

Tailwind

colors: {
  custom: {
    50: '#96c9fc',
    500: '#57b3fa',
    950: '#000000',
  },
}

SCSS

$custom: #57b3fa;
$custom-light: #96c9fc;
$custom-dark: #000000;

JSON

{
  "hex": "#57b3fa",
  "rgb": {
    "r": 87,
    "g": 179,
    "b": 250
  },
  "hsl": {
    "h": 206.135,
    "s": 94.22,
    "l": 66.078
  },
  "oklch": {
    "l": 0.74067,
    "c": 0.13529,
    "h": 244.5
  },
  "luminance": 0.41169
}

Semantic roles & 50–950 ramp

primary

#57B3FA

secondary

#F1D3BC

accent

#6400E6

background

#F9FCFF

surface

#F2F8FF

border

#CCD1D7

text

#0F1317

muted

#7E8285

Preview Lab

Preview with #57B3FA

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

Preview Lab → · Contrast checker → · Palette generator →