#57A1E8#57A1E8

#57A1E8 is a light, vivid cyan. Relative luminance 0.333; OKLCH L 69.2% C 0.129 H 249.3°. Best body text is #000000 at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#57A1E8
RGB	rgb(87, 161, 232)
HSL	hsl(209, 76%, 63%)
HSV	hsv(209, 63%, 91%)
CMYK	cmyk(62.5%, 30.6%, 0%, 9%)
CIE-LAB	lab(64.43, -1.66, -42.63)
CIE-LCH	lch(64.43, 42.66, 267.77°)
OKLab	oklab(69.19% -0.0455 -0.1204)
OKLCH	oklch(69.19% 0.129 249.3)
XYZ	xyz(31.2355, 33.3391, 81.1173)
Luminance	0.3334 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A1E8 #E89E57

analogous

#57E8E6 #57A1E8 #5759E8

triadic

#57A1E8 #E857A1 #A1E857

tetradic

#57A1E8 #E657E8 #E89E57 #59E857

square

#57A1E8 #E657E8 #E89E57 #59E857

split-complementary

#57A1E8 #E85759 #E8E657

monochromatic

#1864AD #2183E1 #57A1E8 #8DBFEF #C3DDF7

Accessibility & contrast

On white

2.74

#57A1E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.67

#57A1E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A1E8

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A1E8	#FFFFFF	#000000	##000000
##57A1E8	1.00	2.74	7.67	7.67
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.67	21.00	1.00	1.00
##000000	7.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82A4EB

Deuteranopia (green-blind)

#6F96E7

Tritanopia (blue-blind)

#00B2BA

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #57a1e8;
/* rgb */ color: rgb(87, 161, 232);
/* oklch */ color: oklch(69.2% 0.129 249.3);

Tailwind

colors: {
  custom: {
    50: '#93bcef',
    500: '#57a1e8',
    950: '#000000',
  },
}

SCSS

$custom: #57a1e8;
$custom-light: #93bcef;
$custom-dark: #000000;

JSON

{
  "hex": "#57a1e8",
  "rgb": {
    "r": 87,
    "g": 161,
    "b": 232
  },
  "hsl": {
    "h": 209.379,
    "s": 75.916,
    "l": 62.549
  },
  "oklch": {
    "l": 0.69188,
    "c": 0.12867,
    "h": 249.3
  },
  "luminance": 0.33342
}

Semantic roles & 50–950 ramp

primary

#57A1E8

secondary

#E8CDB3

accent

#710DD8

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #57A1E8

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

Preview Lab → · Contrast checker → · Palette generator →