#57C5EB#57C5EB

#57C5EB is a light, moderate cyan. Relative luminance 0.480; OKLCH L 77.4% C 0.113 H 224.0°. Best body text is #000000 at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#57C5EB
RGB	rgb(87, 197, 235)
HSL	hsl(195, 79%, 63%)
HSV	hsv(195, 63%, 92%)
CMYK	cmyk(63%, 16.2%, 0%, 7.8%)
CIE-LAB	lab(74.80, -20.17, -28.18)
CIE-LCH	lch(74.80, 34.66, 234.40°)
OKLab	oklab(77.45% -0.0814 -0.0786)
OKLCH	oklch(77.45% 0.113 224)
XYZ	xyz(38.8861, 47.9528, 85.7876)
Luminance	0.4796 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57C5EB #EB7D57

analogous

#57EBC7 #57C5EB #577BEB

triadic

#57C5EB #EB57C5 #C5EB57

tetradic

#57C5EB #C757EB #EB7D57 #7BEB57

square

#57C5EB #C757EB #EB7D57 #7BEB57

split-complementary

#57C5EB #EB577B #EBC757

monochromatic

#158AB2 #20B2E4 #57C5EB #8ED8F2 #C4EBF8

Accessibility & contrast

On white

1.98

#57C5EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.59

#57C5EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C5EB

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57C5EB	#FFFFFF	#000000	##000000
##57C5EB	1.00	1.98	10.59	10.59
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.59	21.00	1.00	1.00
##000000	10.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0C1ED

Deuteranopia (green-blind)

#9BB1EB

Tritanopia (blue-blind)

#00D1D1

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #57c5eb;
/* rgb */ color: rgb(87, 197, 235);
/* oklch */ color: oklch(77.4% 0.113 224.0);

Tailwind

colors: {
  custom: {
    50: '#95d6f1',
    500: '#57c5eb',
    950: '#000000',
  },
}

SCSS

$custom: #57c5eb;
$custom-light: #95d6f1;
$custom-dark: #000000;

JSON

{
  "hex": "#57c5eb",
  "rgb": {
    "r": 87,
    "g": 197,
    "b": 235
  },
  "hsl": {
    "h": 195.405,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.77448,
    "c": 0.11315,
    "h": 224
  },
  "luminance": 0.47957
}

Semantic roles & 50–950 ramp

primary

#57C5EB

secondary

#E9C2B4

accent

#400ADB

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1416

muted

#7E8384

Preview Lab

Preview with #57C5EB

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

Preview Lab → · Contrast checker → · Palette generator →