#57A6EE#57A6EE

#57A6EE is a light, vivid cyan. Relative luminance 0.355; OKLCH L 70.6% C 0.132 H 248.2°. Best body text is #000000 at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#57A6EE
RGB	rgb(87, 166, 238)
HSL	hsl(209, 82%, 64%)
HSV	hsv(209, 63%, 93%)
CMYK	cmyk(63.4%, 30.3%, 0%, 6.7%)
CIE-LAB	lab(66.11, -2.53, -43.29)
CIE-LCH	lch(66.11, 43.36, 266.65°)
OKLab	oklab(70.6% -0.0488 -0.1222)
OKLCH	oklch(70.6% 0.132 248.2)
XYZ	xyz(32.9936, 35.4685, 85.9797)
Luminance	0.3547 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A6EE #EE9F57

analogous

#57EEEA #57A6EE #575AEE

triadic

#57A6EE #EE57A6 #A6EE57

tetradic

#57A6EE #EA57EE #EE9F57 #5AEE57

square

#57A6EE #EA57EE #EE9F57 #5AEE57

split-complementary

#57A6EE #EE575A #EEEA57

monochromatic

#1369B8 #1F89E8 #57A6EE #8FC3F4 #C6E1F9

Accessibility & contrast

On white

2.59

#57A6EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.09

#57A6EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A6EE

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A6EE	#FFFFFF	#000000	##000000
##57A6EE	1.00	2.59	8.09	8.09
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.09	21.00	1.00	1.00
##000000	8.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#87A9F1

Deuteranopia (green-blind)

#729AED

Tritanopia (blue-blind)

#00B7BF

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #57a6ee;
/* rgb */ color: rgb(87, 166, 238);
/* oklch */ color: oklch(70.6% 0.132 248.2);

Tailwind

colors: {
  custom: {
    50: '#94c0f4',
    500: '#57a6ee',
    950: '#000000',
  },
}

SCSS

$custom: #57a6ee;
$custom-light: #94c0f4;
$custom-dark: #000000;

JSON

{
  "hex": "#57a6ee",
  "rgb": {
    "r": 87,
    "g": 166,
    "b": 238
  },
  "hsl": {
    "h": 208.609,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.70597,
    "c": 0.13165,
    "h": 248.2
  },
  "luminance": 0.35472
}

Semantic roles & 50–950 ramp

primary

#57A6EE

secondary

#EBCFB6

accent

#6E08DE

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #57A6EE

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

Preview Lab → · Contrast checker → · Palette generator →