#57A1E4#57A1E4

#57A1E4 is a light, vivid cyan. Relative luminance 0.331; OKLCH L 69.0% C 0.124 H 247.9°. Best body text is #000000 at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#57A1E4
RGB	rgb(87, 161, 228)
HSL	hsl(209, 72%, 62%)
HSV	hsv(209, 62%, 89%)
CMYK	cmyk(61.8%, 29.4%, 0%, 10.6%)
CIE-LAB	lab(64.25, -2.96, -40.71)
CIE-LCH	lch(64.25, 40.81, 265.84°)
OKLab	oklab(68.99% -0.0466 -0.1148)
OKLCH	oklch(68.99% 0.124 247.9)
XYZ	xyz(30.6738, 33.1145, 78.1590)
Luminance	0.3312 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A1E4 #E49A57

analogous

#57E4E1 #57A1E4 #575BE4

triadic

#57A1E4 #E457A1 #A1E457

tetradic

#57A1E4 #E157E4 #E49A57 #5BE457

square

#57A1E4 #E157E4 #E49A57 #5BE457

split-complementary

#57A1E4 #E4575B #E4E157

monochromatic

#1B64A6 #2383DB #57A1E4 #8CBFEC #C0DCF5

Accessibility & contrast

On white

2.75

#57A1E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.62

#57A1E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A1E4

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A1E4	#FFFFFF	#000000	##000000
##57A1E4	1.00	2.75	7.62	7.62
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.62	21.00	1.00	1.00
##000000	7.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84A3E7

Deuteranopia (green-blind)

#7196E3

Tritanopia (blue-blind)

#00B1B9

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #57a1e4;
/* rgb */ color: rgb(87, 161, 228);
/* oklch */ color: oklch(69.0% 0.124 247.9);

Tailwind

colors: {
  custom: {
    50: '#92bced',
    500: '#57a1e4',
    950: '#000000',
  },
}

SCSS

$custom: #57a1e4;
$custom-light: #92bced;
$custom-dark: #000000;

JSON

{
  "hex": "#57a1e4",
  "rgb": {
    "r": 87,
    "g": 161,
    "b": 228
  },
  "hsl": {
    "h": 208.511,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.68986,
    "c": 0.12391,
    "h": 247.9
  },
  "luminance": 0.33117
}

Semantic roles & 50–950 ramp

primary

#57A1E4

secondary

#E6CAB1

accent

#6E11D4

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #57A1E4

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

Preview Lab → · Contrast checker → · Palette generator →