#57B6EE#57B6EE

#57B6EE is a light, vivid cyan. Relative luminance 0.417; OKLCH L 74.2% C 0.121 H 237.4°. Best body text is #000000 at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#57B6EE
RGB	rgb(87, 182, 238)
HSL	hsl(202, 82%, 64%)
HSV	hsv(202, 63%, 93%)
CMYK	cmyk(63.4%, 23.5%, 0%, 6.7%)
CIE-LAB	lab(70.63, -11.36, -36.23)
CIE-LCH	lch(70.63, 37.97, 252.60°)
OKLab	oklab(74.17% -0.0651 -0.1017)
OKLCH	oklch(74.17% 0.121 237.4)
XYZ	xyz(36.0851, 41.6515, 87.0102)
Luminance	0.4165 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B6EE #EE8F57

analogous

#57EEDB #57B6EE #576AEE

triadic

#57B6EE #EE57B6 #B6EE57

tetradic

#57B6EE #DB57EE #EE8F57 #6AEE57

square

#57B6EE #DB57EE #EE8F57 #6AEE57

split-complementary

#57B6EE #EE576A #EEDB57

monochromatic

#137BB8 #1F9EE8 #57B6EE #8FCEF4 #C6E6F9

Accessibility & contrast

On white

2.25

#57B6EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.33

#57B6EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B6EE

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B6EE	#FFFFFF	#000000	##000000
##57B6EE	1.00	2.25	9.33	9.33
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.33	21.00	1.00	1.00
##000000	9.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CB5F1

Deuteranopia (green-blind)

#87A6ED

Tritanopia (blue-blind)

#00C4C9

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #57b6ee;
/* rgb */ color: rgb(87, 182, 238);
/* oklch */ color: oklch(74.2% 0.121 237.4);

Tailwind

colors: {
  custom: {
    50: '#94cbf3',
    500: '#57b6ee',
    950: '#000000',
  },
}

SCSS

$custom: #57b6ee;
$custom-light: #94cbf3;
$custom-dark: #000000;

JSON

{
  "hex": "#57b6ee",
  "rgb": {
    "r": 87,
    "g": 182,
    "b": 238
  },
  "hsl": {
    "h": 202.252,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.74168,
    "c": 0.12075,
    "h": 237.4
  },
  "luminance": 0.41655
}

Semantic roles & 50–950 ramp

primary

#57B6EE

secondary

#EBCAB6

accent

#5708DE

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #57B6EE

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

Preview Lab → · Contrast checker → · Palette generator →