#57C4EB#57C4EB

#57C4EB is a light, moderate cyan. Relative luminance 0.475; OKLCH L 77.2% C 0.113 H 224.8°. Best body text is #000000 at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#57C4EB
RGB	rgb(87, 196, 235)
HSL	hsl(196, 79%, 63%)
HSV	hsv(196, 63%, 92%)
CMYK	cmyk(63%, 16.6%, 0%, 7.8%)
CIE-LAB	lab(74.51, -19.66, -28.62)
CIE-LCH	lch(74.51, 34.72, 235.51°)
OKLab	oklab(77.22% -0.0804 -0.0798)
OKLCH	oklch(77.22% 0.113 224.8)
XYZ	xyz(38.6598, 47.5002, 85.7122)
Luminance	0.4750 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57C4EB #EB7E57

analogous

#57EBC8 #57C4EB #577AEB

triadic

#57C4EB #EB57C4 #C4EB57

tetradic

#57C4EB #C857EB #EB7E57 #7AEB57

square

#57C4EB #C857EB #EB7E57 #7AEB57

split-complementary

#57C4EB #EB577A #EBC857

monochromatic

#1589B2 #20B1E4 #57C4EB #8ED7F2 #C4EAF8

Accessibility & contrast

On white

2.00

#57C4EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.50

#57C4EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C4EB

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57C4EB	#FFFFFF	#000000	##000000
##57C4EB	1.00	2.00	10.50	10.50
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.50	21.00	1.00	1.00
##000000	10.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEC0ED

Deuteranopia (green-blind)

#99B1EB

Tritanopia (blue-blind)

#00D0D1

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #57c4eb;
/* rgb */ color: rgb(87, 196, 235);
/* oklch */ color: oklch(77.2% 0.113 224.8);

Tailwind

colors: {
  custom: {
    50: '#95d6f1',
    500: '#57c4eb',
    950: '#000000',
  },
}

SCSS

$custom: #57c4eb;
$custom-light: #95d6f1;
$custom-dark: #000000;

JSON

{
  "hex": "#57c4eb",
  "rgb": {
    "r": 87,
    "g": 196,
    "b": 235
  },
  "hsl": {
    "h": 195.811,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.77219,
    "c": 0.1133,
    "h": 224.8
  },
  "luminance": 0.47504
}

Semantic roles & 50–950 ramp

primary

#57C4EB

secondary

#E9C2B4

accent

#410ADB

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1416

muted

#7E8384

Preview Lab

Preview with #57C4EB

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

Preview Lab → · Contrast checker → · Palette generator →