#57A3FB#57A3FB

#57A3FB is a light, vivid cyan. Relative luminance 0.352; OKLCH L 70.6% C 0.150 H 253.6°. Best body text is #000000 at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#57A3FB
RGB	rgb(87, 163, 251)
HSL	hsl(212, 95%, 66%)
HSV	hsv(212, 65%, 98%)
CMYK	cmyk(65.3%, 35.1%, 0%, 1.6%)
CIE-LAB	lab(65.89, 3.46, -50.74)
CIE-LCH	lch(65.89, 50.86, 273.91°)
OKLab	oklab(70.62% -0.0424 -0.144)
OKLCH	oklch(70.62% 0.15 253.6)
XYZ	xyz(34.4339, 35.1822, 96.2242)
Luminance	0.3519 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A3FB #FBAF57

analogous

#57F5FB #57A3FB #5D57FB

triadic

#57A3FB #FB57A3 #A3FB57

tetradic

#57A3FB #FB57F5 #FBAF57 #57FB5D

square

#57A3FB #FB57F5 #FBAF57 #57FB5D

split-complementary

#57A3FB #FB5D57 #F5FB57

monochromatic

#0564D3 #1B82FA #57A3FB #93C4FC #CFE4FE

Accessibility & contrast

On white

2.61

#57A3FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.04

#57A3FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A3FB

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A3FB	#FFFFFF	#000000	##000000
##57A3FB	1.00	2.61	8.04	8.04
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.04	21.00	1.00	1.00
##000000	8.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7CA9FF

Deuteranopia (green-blind)

#6599F9

Tritanopia (blue-blind)

#00B7C3

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #57a3fb;
/* rgb */ color: rgb(87, 163, 251);
/* oklch */ color: oklch(70.6% 0.150 253.6);

Tailwind

colors: {
  custom: {
    50: '#96bdfd',
    500: '#57a3fb',
    950: '#000000',
  },
}

SCSS

$custom: #57a3fb;
$custom-light: #96bdfd;
$custom-dark: #000000;

JSON

{
  "hex": "#57a3fb",
  "rgb": {
    "r": 87,
    "g": 163,
    "b": 251
  },
  "hsl": {
    "h": 212.195,
    "s": 95.349,
    "l": 66.275
  },
  "oklch": {
    "l": 0.70624,
    "c": 0.15012,
    "h": 253.6
  },
  "luminance": 0.35186
}

Semantic roles & 50–950 ramp

primary

#57A3FB

secondary

#F2D9BC

accent

#7B00E6

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0F1217

muted

#7E8185

Preview Lab

Preview with #57A3FB

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

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