#57CFEF#57CFEF

#57CFEF is a light, moderate cyan. Relative luminance 0.529; OKLCH L 79.9% C 0.115 H 218.5°. Best body text is #000000 at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#57CFEF
RGB	rgb(87, 207, 239)
HSL	hsl(193, 83%, 64%)
HSV	hsv(193, 64%, 94%)
CMYK	cmyk(63.6%, 13.4%, 0%, 6.3%)
CIE-LAB	lab(77.80, -24.04, -25.72)
CIE-LCH	lch(77.80, 35.21, 226.93°)
OKLab	oklab(79.91% -0.0901 -0.0716)
OKLCH	oklch(79.91% 0.115 218.5)
XYZ	xyz(41.8169, 52.8794, 89.6476)
Luminance	0.5288 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57CFEF #EF7757

analogous

#57EFC3 #57CFEF #5783EF

triadic

#57CFEF #EF57CF #CFEF57

tetradic

#57CFEF #C357EF #EF7757 #83EF57

square

#57CFEF #C357EF #EF7757 #83EF57

split-complementary

#57CFEF #EF5783 #EFC357

monochromatic

#1296BA #1FBFEA #57CFEF #8FDFF4 #C7EFFA

Accessibility & contrast

On white

1.81

#57CFEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.58

#57CFEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57CFEF

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57CFEF	#FFFFFF	#000000	##000000
##57CFEF	1.00	1.81	11.58	11.58
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.58	21.00	1.00	1.00
##000000	11.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBC9F1

Deuteranopia (green-blind)

#A5B9EF

Tritanopia (blue-blind)

#00DAD9

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #57cfef;
/* rgb */ color: rgb(87, 207, 239);
/* oklch */ color: oklch(79.9% 0.115 218.5);

Tailwind

colors: {
  custom: {
    50: '#96def4',
    500: '#57cfef',
    950: '#000000',
  },
}

SCSS

$custom: #57cfef;
$custom-light: #96def4;
$custom-dark: #000000;

JSON

{
  "hex": "#57cfef",
  "rgb": {
    "r": 87,
    "g": 207,
    "b": 239
  },
  "hsl": {
    "h": 192.632,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.79905,
    "c": 0.11506,
    "h": 218.5
  },
  "luminance": 0.52884
}

Semantic roles & 50–950 ramp

primary

#57CFEF

secondary

#B94E31

accent

#3406DF

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #57CFEF

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

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