#57C8EB#57C8EB

#57C8EB is a light, moderate cyan. Relative luminance 0.493; OKLCH L 78.1% C 0.113 H 221.5°. Best body text is #000000 at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#57C8EB
RGB	rgb(87, 200, 235)
HSL	hsl(194, 79%, 63%)
HSV	hsv(194, 63%, 92%)
CMYK	cmyk(63%, 14.9%, 0%, 7.8%)
CIE-LAB	lab(75.66, -21.71, -26.86)
CIE-LCH	lch(75.66, 34.53, 231.06°)
OKLab	oklab(78.14% -0.0845 -0.0748)
OKLCH	oklch(78.14% 0.113 221.5)
XYZ	xyz(39.5741, 49.3288, 86.0170)
Luminance	0.4933 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57C8EB #EB7A57

analogous

#57EBC4 #57C8EB #577EEB

triadic

#57C8EB #EB57C8 #C8EB57

tetradic

#57C8EB #C457EB #EB7A57 #7EEB57

square

#57C8EB #C457EB #EB7A57 #7EEB57

split-complementary

#57C8EB #EB577E #EBC457

monochromatic

#158DB2 #20B6E4 #57C8EB #8EDAF2 #C4ECF8

Accessibility & contrast

On white

1.93

#57C8EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.87

#57C8EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C8EB

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57C8EB	#FFFFFF	#000000	##000000
##57C8EB	1.00	1.93	10.87	10.87
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.87	21.00	1.00	1.00
##000000	10.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3C3ED

Deuteranopia (green-blind)

#9EB4EB

Tritanopia (blue-blind)

#00D3D3

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #57c8eb;
/* rgb */ color: rgb(87, 200, 235);
/* oklch */ color: oklch(78.1% 0.113 221.5);

Tailwind

colors: {
  custom: {
    50: '#95d8f1',
    500: '#57c8eb',
    950: '#000000',
  },
}

SCSS

$custom: #57c8eb;
$custom-light: #95d8f1;
$custom-dark: #000000;

JSON

{
  "hex": "#57c8eb",
  "rgb": {
    "r": 87,
    "g": 200,
    "b": 235
  },
  "hsl": {
    "h": 194.189,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.78137,
    "c": 0.11285,
    "h": 221.5
  },
  "luminance": 0.49333
}

Semantic roles & 50–950 ramp

primary

#57C8EB

secondary

#E9C1B4

accent

#3C0ADB

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1416

muted

#7E8384

Preview Lab

Preview with #57C8EB

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

Preview Lab → · Contrast checker → · Palette generator →