#57A3EE#57A3EE

#57A3EE is a light, vivid cyan. Relative luminance 0.344; OKLCH L 69.9% C 0.134 H 250.0°. Best body text is #000000 at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#57A3EE
RGB	rgb(87, 163, 238)
HSL	hsl(210, 82%, 64%)
HSV	hsv(210, 63%, 93%)
CMYK	cmyk(63.4%, 31.5%, 0%, 6.7%)
CIE-LAB	lab(65.27, -0.83, -44.61)
CIE-LCH	lch(65.27, 44.62, 268.93°)
OKLab	oklab(69.94% -0.0458 -0.1261)
OKLCH	oklch(69.94% 0.134 250)
XYZ	xyz(32.4546, 34.3905, 85.8000)
Luminance	0.3439 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A3EE #EEA257

analogous

#57EEED #57A3EE #5757EE

triadic

#57A3EE #EE57A3 #A3EE57

tetradic

#57A3EE #ED57EE #EEA257 #57EE57

square

#57A3EE #ED57EE #EEA257 #57EE57

split-complementary

#57A3EE #EE5757 #EEED57

monochromatic

#1366B8 #1F85E8 #57A3EE #8FC1F4 #C6E0F9

Accessibility & contrast

On white

2.67

#57A3EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.88

#57A3EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A3EE

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A3EE	#FFFFFF	#000000	##000000
##57A3EE	1.00	2.67	7.88	7.88
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.88	21.00	1.00	1.00
##000000	7.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82A6F1

Deuteranopia (green-blind)

#6E98ED

Tritanopia (blue-blind)

#00B5BE

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #57a3ee;
/* rgb */ color: rgb(87, 163, 238);
/* oklch */ color: oklch(69.9% 0.134 250.0);

Tailwind

colors: {
  custom: {
    50: '#94bdf4',
    500: '#57a3ee',
    950: '#000000',
  },
}

SCSS

$custom: #57a3ee;
$custom-light: #94bdf4;
$custom-dark: #000000;

JSON

{
  "hex": "#57a3ee",
  "rgb": {
    "r": 87,
    "g": 163,
    "b": 238
  },
  "hsl": {
    "h": 209.801,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.69936,
    "c": 0.13419,
    "h": 250
  },
  "luminance": 0.34394
}

Semantic roles & 50–950 ramp

primary

#57A3EE

secondary

#EBD0B6

accent

#7208DE

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #57A3EE

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

Preview Lab → · Contrast checker → · Palette generator →