#57A1EE#57A1EE

#57A1EE is a light, vivid cyan. Relative luminance 0.337; OKLCH L 69.5% C 0.136 H 251.2°. Best body text is #000000 at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#57A1EE
RGB	rgb(87, 161, 238)
HSL	hsl(211, 82%, 64%)
HSV	hsv(211, 63%, 93%)
CMYK	cmyk(63.4%, 32.4%, 0%, 6.7%)
CIE-LAB	lab(64.71, 0.31, -45.49)
CIE-LCH	lch(64.71, 45.49, 270.39°)
OKLab	oklab(69.5% -0.0438 -0.1287)
OKLCH	oklch(69.5% 0.136 251.2)
XYZ	xyz(32.1023, 33.6859, 85.6826)
Luminance	0.3369 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A1EE #EEA457

analogous

#57EDEE #57A1EE #5857EE

triadic

#57A1EE #EE57A1 #A1EE57

tetradic

#57A1EE #EE57ED #EEA457 #57EE58

square

#57A1EE #EE57ED #EEA457 #57EE58

split-complementary

#57A1EE #EE5857 #EDEE57

monochromatic

#1364B8 #1F82E8 #57A1EE #8FC0F4 #C6DFF9

Accessibility & contrast

On white

2.71

#57A1EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.74

#57A1EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A1EE

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A1EE	#FFFFFF	#000000	##000000
##57A1EE	1.00	2.71	7.74	7.74
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.74	21.00	1.00	1.00
##000000	7.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80A5F1

Deuteranopia (green-blind)

#6B96EC

Tritanopia (blue-blind)

#00B3BD

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #57a1ee;
/* rgb */ color: rgb(87, 161, 238);
/* oklch */ color: oklch(69.5% 0.136 251.2);

Tailwind

colors: {
  custom: {
    50: '#94bcf4',
    500: '#57a1ee',
    950: '#000000',
  },
}

SCSS

$custom: #57a1ee;
$custom-light: #94bcf4;
$custom-dark: #000000;

JSON

{
  "hex": "#57a1ee",
  "rgb": {
    "r": 87,
    "g": 161,
    "b": 238
  },
  "hsl": {
    "h": 210.596,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.69498,
    "c": 0.13595,
    "h": 251.2
  },
  "luminance": 0.33689
}

Semantic roles & 50–950 ramp

primary

#57A1EE

secondary

#EBD1B6

accent

#7508DE

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #57A1EE

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

Preview Lab → · Contrast checker → · Palette generator →