#57A1F0#57A1F0

#57A1F0 is a light, vivid cyan. Relative luminance 0.338; OKLCH L 69.6% C 0.138 H 251.8°. Best body text is #000000 at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#57A1F0
RGB	rgb(87, 161, 240)
HSL	hsl(211, 84%, 64%)
HSV	hsv(211, 64%, 94%)
CMYK	cmyk(63.7%, 32.9%, 0%, 5.9%)
CIE-LAB	lab(64.81, 0.97, -46.44)
CIE-LCH	lch(64.81, 46.45, 271.19°)
OKLab	oklab(69.6% -0.0433 -0.1315)
OKLCH	oklch(69.6% 0.138 251.8)
XYZ	xyz(32.3978, 33.8041, 87.2386)
Luminance	0.3381 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A1F0 #F0A657

analogous

#57EEF0 #57A1F0 #5A57F0

triadic

#57A1F0 #F057A1 #A1F057

tetradic

#57A1F0 #F057EE #F0A657 #57F05A

square

#57A1F0 #F057EE #F0A657 #57F05A

split-complementary

#57A1F0 #F05A57 #EEF057

monochromatic

#1164BC #1F82EB #57A1F0 #8FC0F5 #C7E0FA

Accessibility & contrast

On white

2.71

#57A1F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.76

#57A1F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A1F0

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A1F0	#FFFFFF	#000000	##000000
##57A1F0	1.00	2.71	7.76	7.76
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.76	21.00	1.00	1.00
##000000	7.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7FA5F3

Deuteranopia (green-blind)

#6A97EE

Tritanopia (blue-blind)

#00B3BD

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #57a1f0;
/* rgb */ color: rgb(87, 161, 240);
/* oklch */ color: oklch(69.6% 0.138 251.8);

Tailwind

colors: {
  custom: {
    50: '#94bcf5',
    500: '#57a1f0',
    950: '#000000',
  },
}

SCSS

$custom: #57a1f0;
$custom-light: #94bcf5;
$custom-dark: #000000;

JSON

{
  "hex": "#57a1f0",
  "rgb": {
    "r": 87,
    "g": 161,
    "b": 240
  },
  "hsl": {
    "h": 210.98,
    "s": 83.607,
    "l": 64.118
  },
  "oklch": {
    "l": 0.69602,
    "c": 0.1384,
    "h": 251.8
  },
  "luminance": 0.33807
}

Semantic roles & 50–950 ramp

primary

#57A1F0

secondary

#ECD2B7

accent

#7605E0

background

#F9FBFF

surface

#F2F6FE

border

#CCD0D6

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #57A1F0

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

Preview Lab → · Contrast checker → · Palette generator →