#57A7EC#57A7EC

#57A7EC is a light, vivid cyan. Relative luminance 0.357; OKLCH L 70.7% C 0.129 H 246.9°. Best body text is #000000 at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#57A7EC
RGB	rgb(87, 167, 236)
HSL	hsl(208, 80%, 63%)
HSV	hsv(208, 63%, 93%)
CMYK	cmyk(63.1%, 29.2%, 0%, 7.5%)
CIE-LAB	lab(66.30, -3.74, -41.89)
CIE-LCH	lch(66.30, 42.06, 264.89°)
OKLab	oklab(70.72% -0.0504 -0.1182)
OKLCH	oklch(70.72% 0.129 246.9)
XYZ	xyz(32.8839, 35.7165, 84.5016)
Luminance	0.3572 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A7EC #EC9C57

analogous

#57ECE6 #57A7EC #575CEC

triadic

#57A7EC #EC57A7 #A7EC57

tetradic

#57A7EC #E657EC #EC9C57 #5CEC57

square

#57A7EC #E657EC #EC9C57 #5CEC57

split-complementary

#57A7EC #EC575C #ECE657

monochromatic

#146AB4 #208AE6 #57A7EC #8EC4F2 #C5E1F8

Accessibility & contrast

On white

2.58

#57A7EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.14

#57A7EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A7EC

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A7EC	#FFFFFF	#000000	##000000
##57A7EC	1.00	2.58	8.14	8.14
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.14	21.00	1.00	1.00
##000000	8.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#89A9EF

Deuteranopia (green-blind)

#759BEB

Tritanopia (blue-blind)

#00B7BF

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #57a7ec;
/* rgb */ color: rgb(87, 167, 236);
/* oklch */ color: oklch(70.7% 0.129 246.9);

Tailwind

colors: {
  custom: {
    50: '#93c0f2',
    500: '#57a7ec',
    950: '#000000',
  },
}

SCSS

$custom: #57a7ec;
$custom-light: #93c0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#57a7ec",
  "rgb": {
    "r": 87,
    "g": 167,
    "b": 236
  },
  "hsl": {
    "h": 207.785,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.70718,
    "c": 0.1285,
    "h": 246.9
  },
  "luminance": 0.3572
}

Semantic roles & 50–950 ramp

primary

#57A7EC

secondary

#EACDB5

accent

#6B0ADC

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #57A7EC

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

Preview Lab → · Contrast checker → · Palette generator →