#57C0EF#57C0EF

#57C0EF is a light, moderate cyan. Relative luminance 0.460; OKLCH L 76.5% C 0.117 H 230.4°. Best body text is #000000 at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#57C0EF
RGB	rgb(87, 192, 239)
HSL	hsl(199, 83%, 64%)
HSV	hsv(199, 64%, 94%)
CMYK	cmyk(63.6%, 19.7%, 0%, 6.3%)
CIE-LAB	lab(73.52, -16.36, -32.31)
CIE-LCH	lch(73.52, 36.21, 243.14°)
OKLab	oklab(76.48% -0.0749 -0.0904)
OKLCH	oklch(76.48% 0.117 230.4)
XYZ	xyz(38.3540, 45.9535, 88.4932)
Luminance	0.4596 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57C0EF #EF8657

analogous

#57EFD2 #57C0EF #5774EF

triadic

#57C0EF #EF57C0 #C0EF57

tetradic

#57C0EF #D257EF #EF8657 #74EF57

square

#57C0EF #D257EF #EF8657 #74EF57

split-complementary

#57C0EF #EF5774 #EFD257

monochromatic

#1286BA #1FABEA #57C0EF #8FD5F4 #C7EAFA

Accessibility & contrast

On white

2.06

#57C0EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.19

#57C0EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C0EF

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57C0EF	#FFFFFF	#000000	##000000
##57C0EF	1.00	2.06	10.19	10.19
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.19	21.00	1.00	1.00
##000000	10.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8BDF1

Deuteranopia (green-blind)

#93AEEE

Tritanopia (blue-blind)

#00CDCF

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #57c0ef;
/* rgb */ color: rgb(87, 192, 239);
/* oklch */ color: oklch(76.5% 0.117 230.4);

Tailwind

colors: {
  custom: {
    50: '#95d3f4',
    500: '#57c0ef',
    950: '#000000',
  },
}

SCSS

$custom: #57c0ef;
$custom-light: #95d3f4;
$custom-dark: #000000;

JSON

{
  "hex": "#57c0ef",
  "rgb": {
    "r": 87,
    "g": 192,
    "b": 239
  },
  "hsl": {
    "h": 198.553,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.76476,
    "c": 0.11738,
    "h": 230.4
  },
  "luminance": 0.45958
}

Semantic roles & 50–950 ramp

primary

#57C0EF

secondary

#ECC7B6

accent

#4906DF

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1417

muted

#7E8285

Preview Lab

Preview with #57C0EF

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

Preview Lab → · Contrast checker → · Palette generator →