#57DFEF#57DFEF

#57DFEF is a very light, moderate teal. Relative luminance 0.610; OKLCH L 83.6% C 0.118 H 206.1°. Best body text is #000000 at 13.21:1 contrast (WCAG AA passes).

Color values

HEX	#57DFEF
RGB	rgb(87, 223, 239)
HSL	hsl(186, 83%, 64%)
HSV	hsv(186, 64%, 94%)
CMYK	cmyk(63.6%, 6.7%, 0%, 6.3%)
CIE-LAB	lab(82.39, -31.86, -18.75)
CIE-LCH	lch(82.39, 36.97, 210.48°)
OKLab	oklab(83.6% -0.1061 -0.052)
OKLCH	oklch(83.6% 0.118 206.1)
XYZ	xyz(45.8915, 61.0286, 91.0058)
Luminance	0.6103 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57DFEF #EF6757

analogous

#57EFB3 #57DFEF #5793EF

triadic

#57DFEF #EF57DF #DFEF57

tetradic

#57DFEF #B357EF #EF6757 #93EF57

square

#57DFEF #B357EF #EF6757 #93EF57

split-complementary

#57DFEF #EF5793 #EFB357

monochromatic

#12A8BA #1FD4EA #57DFEF #8FEAF4 #C7F4FA

Accessibility & contrast

On white

1.59

#57DFEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.21

#57DFEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57DFEF

13.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57DFEF	#FFFFFF	#000000	##000000
##57DFEF	1.00	1.59	13.21	13.21
#FFFFFF	1.59	1.00	21.00	21.00
#000000	13.21	21.00	1.00	1.00
##000000	13.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CED7F0

Deuteranopia (green-blind)

#B7C6EF

Tritanopia (blue-blind)

#00E8E4

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #57dfef;
/* rgb */ color: rgb(87, 223, 239);
/* oklch */ color: oklch(83.6% 0.118 206.1);

Tailwind

colors: {
  custom: {
    50: '#97e9f4',
    500: '#57dfef',
    950: '#000000',
  },
}

SCSS

$custom: #57dfef;
$custom-light: #97e9f4;
$custom-dark: #000000;

JSON

{
  "hex": "#57dfef",
  "rgb": {
    "r": 87,
    "g": 223,
    "b": 239
  },
  "hsl": {
    "h": 186.316,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.83597,
    "c": 0.11819,
    "h": 206.1
  },
  "luminance": 0.61034
}

Semantic roles & 50–950 ramp

primary

#57DFEF

secondary

#B94031

accent

#1D06DF

background

#FCFEFF

surface

#F5FDFE

border

#CFD5D6

text

#0F1617

muted

#808485

Preview Lab

Preview with #57DFEF

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

Preview Lab → · Contrast checker → · Palette generator →