#57C4EC#57C4EC

#57C4EC is a light, moderate cyan. Relative luminance 0.476; OKLCH L 77.3% C 0.114 H 225.4°. Best body text is #000000 at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#57C4EC
RGB	rgb(87, 196, 236)
HSL	hsl(196, 80%, 63%)
HSV	hsv(196, 63%, 93%)
CMYK	cmyk(63.1%, 16.9%, 0%, 7.5%)
CIE-LAB	lab(74.55, -19.36, -29.10)
CIE-LCH	lch(74.55, 34.95, 236.37°)
OKLab	oklab(77.26% -0.08 -0.0812)
OKLCH	oklch(77.26% 0.114 225.4)
XYZ	xyz(38.8047, 47.5582, 86.4752)
Luminance	0.4756 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57C4EC #EC7F57

analogous

#57ECC9 #57C4EC #5779EC

triadic

#57C4EC #EC57C4 #C4EC57

tetradic

#57C4EC #C957EC #EC7F57 #79EC57

square

#57C4EC #C957EC #EC7F57 #79EC57

split-complementary

#57C4EC #EC5779 #ECC957

monochromatic

#1489B4 #20B1E6 #57C4EC #8ED7F2 #C5EBF8

Accessibility & contrast

On white

2.00

#57C4EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.51

#57C4EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C4EC

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57C4EC	#FFFFFF	#000000	##000000
##57C4EC	1.00	2.00	10.51	10.51
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.51	21.00	1.00	1.00
##000000	10.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEC0EE

Deuteranopia (green-blind)

#99B1EC

Tritanopia (blue-blind)

#00D0D1

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #57c4ec;
/* rgb */ color: rgb(87, 196, 236);
/* oklch */ color: oklch(77.3% 0.114 225.4);

Tailwind

colors: {
  custom: {
    50: '#95d6f2',
    500: '#57c4ec',
    950: '#000000',
  },
}

SCSS

$custom: #57c4ec;
$custom-light: #95d6f2;
$custom-dark: #000000;

JSON

{
  "hex": "#57c4ec",
  "rgb": {
    "r": 87,
    "g": 196,
    "b": 236
  },
  "hsl": {
    "h": 196.107,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.77261,
    "c": 0.11402,
    "h": 225.4
  },
  "luminance": 0.47562
}

Semantic roles & 50–950 ramp

primary

#57C4EC

secondary

#EAC3B5

accent

#420ADC

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1417

muted

#7E8385

Preview Lab

Preview with #57C4EC

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

Preview Lab → · Contrast checker → · Palette generator →