#57A1EC#57A1EC

#57A1EC is a light, vivid cyan. Relative luminance 0.336; OKLCH L 69.4% C 0.134 H 250.6°. Best body text is #000000 at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#57A1EC
RGB	rgb(87, 161, 236)
HSL	hsl(210, 80%, 63%)
HSV	hsv(210, 63%, 93%)
CMYK	cmyk(63.1%, 31.8%, 0%, 7.5%)
CIE-LAB	lab(64.62, -0.35, -44.54)
CIE-LCH	lch(64.62, 44.54, 269.55°)
OKLab	oklab(69.39% -0.0443 -0.1259)
OKLCH	oklch(69.39% 0.134 250.6)
XYZ	xyz(31.8101, 33.5690, 84.1437)
Luminance	0.3357 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A1EC #ECA257

analogous

#57ECEC #57A1EC #5757EC

triadic

#57A1EC #EC57A1 #A1EC57

tetradic

#57A1EC #EC57EC #ECA257 #57EC57

square

#57A1EC #EC57EC #ECA257 #57EC57

split-complementary

#57A1EC #EC5757 #ECEC57

monochromatic

#1464B4 #2082E6 #57A1EC #8EC0F2 #C5DFF8

Accessibility & contrast

On white

2.72

#57A1EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.71

#57A1EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A1EC

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A1EC	#FFFFFF	#000000	##000000
##57A1EC	1.00	2.72	7.71	7.71
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.71	21.00	1.00	1.00
##000000	7.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81A5EF

Deuteranopia (green-blind)

#6C96EB

Tritanopia (blue-blind)

#00B3BC

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #57a1ec;
/* rgb */ color: rgb(87, 161, 236);
/* oklch */ color: oklch(69.4% 0.134 250.6);

Tailwind

colors: {
  custom: {
    50: '#93bcf2',
    500: '#57a1ec',
    950: '#000000',
  },
}

SCSS

$custom: #57a1ec;
$custom-light: #93bcf2;
$custom-dark: #000000;

JSON

{
  "hex": "#57a1ec",
  "rgb": {
    "r": 87,
    "g": 161,
    "b": 236
  },
  "hsl": {
    "h": 210.201,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.69394,
    "c": 0.13351,
    "h": 250.6
  },
  "luminance": 0.33572
}

Semantic roles & 50–950 ramp

primary

#57A1EC

secondary

#EAD0B5

accent

#730ADC

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #57A1EC

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

Preview Lab → · Contrast checker → · Palette generator →