#57A3F5#57A3F5

#57A3F5 is a light, vivid cyan. Relative luminance 0.348; OKLCH L 70.3% C 0.143 H 252.1°. Best body text is #000000 at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#57A3F5
RGB	rgb(87, 163, 245)
HSL	hsl(211, 89%, 65%)
HSV	hsv(211, 64%, 96%)
CMYK	cmyk(64.5%, 33.5%, 0%, 3.9%)
CIE-LAB	lab(65.60, 1.47, -47.92)
CIE-LCH	lch(65.60, 47.94, 271.76°)
OKLab	oklab(70.3% -0.0439 -0.1358)
OKLCH	oklch(70.3% 0.143 252.1)
XYZ	xyz(33.5031, 34.8099, 91.3218)
Luminance	0.3481 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A3F5 #F5A957

analogous

#57F2F5 #57A3F5 #5A57F5

triadic

#57A3F5 #F557A3 #A3F557

tetradic

#57A3F5 #F557F2 #F5A957 #57F55A

square

#57A3F5 #F557F2 #F5A957 #57F55A

split-complementary

#57A3F5 #F55A57 #F2F557

monochromatic

#0C65C6 #1D83F2 #57A3F5 #91C3F8 #CBE2FC

Accessibility & contrast

On white

2.64

#57A3F5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.96

#57A3F5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A3F5

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A3F5	#FFFFFF	#000000	##000000
##57A3F5	1.00	2.64	7.96	7.96
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.96	21.00	1.00	1.00
##000000	7.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7FA8F8

Deuteranopia (green-blind)

#6999F3

Tritanopia (blue-blind)

#00B6C1

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #57a3f5;
/* rgb */ color: rgb(87, 163, 245);
/* oklch */ color: oklch(70.3% 0.143 252.1);

Tailwind

colors: {
  custom: {
    50: '#95bdf9',
    500: '#57a3f5',
    950: '#000000',
  },
}

SCSS

$custom: #57a3f5;
$custom-light: #95bdf9;
$custom-dark: #000000;

JSON

{
  "hex": "#57a3f5",
  "rgb": {
    "r": 87,
    "g": 163,
    "b": 245
  },
  "hsl": {
    "h": 211.139,
    "s": 88.764,
    "l": 65.098
  },
  "oklch": {
    "l": 0.70302,
    "c": 0.1427,
    "h": 252.1
  },
  "luminance": 0.34813
}

Semantic roles & 50–950 ramp

primary

#57A3F5

secondary

#EFD5B9

accent

#7700E5

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #57A3F5

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

Preview Lab → · Contrast checker → · Palette generator →