#57A2EB#57A2EB

#57A2EB is a light, vivid cyan. Relative luminance 0.339; OKLCH L 69.6% C 0.131 H 249.7°. Best body text is #000000 at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#57A2EB
RGB	rgb(87, 162, 235)
HSL	hsl(210, 79%, 63%)
HSV	hsv(210, 63%, 92%)
CMYK	cmyk(63%, 31.1%, 0%, 7.8%)
CIE-LAB	lab(64.85, -1.25, -43.62)
CIE-LCH	lch(64.85, 43.64, 268.36°)
OKLab	oklab(69.56% -0.0457 -0.1232)
OKLCH	oklch(69.56% 0.131 249.7)
XYZ	xyz(31.8407, 33.8619, 83.4392)
Luminance	0.3387 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A2EB #EBA057

analogous

#57EBEA #57A2EB #5758EB

triadic

#57A2EB #EB57A2 #A2EB57

tetradic

#57A2EB #EA57EB #EBA057 #58EB57

square

#57A2EB #EA57EB #EBA057 #58EB57

split-complementary

#57A2EB #EB5758 #EBEA57

monochromatic

#1565B2 #2084E4 #57A2EB #8EC0F2 #C4DFF8

Accessibility & contrast

On white

2.70

#57A2EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.77

#57A2EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A2EB

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A2EB	#FFFFFF	#000000	##000000
##57A2EB	1.00	2.70	7.77	7.77
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.77	21.00	1.00	1.00
##000000	7.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82A5EE

Deuteranopia (green-blind)

#6E97EA

Tritanopia (blue-blind)

#00B3BC

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #57a2eb;
/* rgb */ color: rgb(87, 162, 235);
/* oklch */ color: oklch(69.6% 0.131 249.7);

Tailwind

colors: {
  custom: {
    50: '#93bdf1',
    500: '#57a2eb',
    950: '#000000',
  },
}

SCSS

$custom: #57a2eb;
$custom-light: #93bdf1;
$custom-dark: #000000;

JSON

{
  "hex": "#57a2eb",
  "rgb": {
    "r": 87,
    "g": 162,
    "b": 235
  },
  "hsl": {
    "h": 209.595,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.69562,
    "c": 0.13143,
    "h": 249.7
  },
  "luminance": 0.33865
}

Semantic roles & 50–950 ramp

primary

#57A2EB

secondary

#E9CFB4

accent

#710ADB

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #57A2EB

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

Preview Lab → · Contrast checker → · Palette generator →