#57D9EE#57D9EE

#57D9EE is a very light, moderate teal. Relative luminance 0.578; OKLCH L 82.2% C 0.116 H 210.0°. Best body text is #000000 at 12.57:1 contrast (WCAG AA passes).

Color values

HEX	#57D9EE
RGB	rgb(87, 217, 238)
HSL	hsl(188, 82%, 64%)
HSV	hsv(188, 63%, 93%)
CMYK	cmyk(63.4%, 8.8%, 0%, 6.7%)
CIE-LAB	lab(80.64, -29.26, -20.87)
CIE-LCH	lch(80.64, 35.94, 215.50°)
OKLab	oklab(82.17% -0.1005 -0.0579)
OKLCH	oklch(82.17% 0.116 210)
XYZ	xyz(44.1695, 57.8202, 89.7050)
Luminance	0.5783 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57D9EE #EE6C57

analogous

#57EEB7 #57D9EE #578DEE

triadic

#57D9EE #EE57D9 #D9EE57

tetradic

#57D9EE #B757EE #EE6C57 #8DEE57

square

#57D9EE #B757EE #EE6C57 #8DEE57

split-complementary

#57D9EE #EE578D #EEB757

monochromatic

#13A1B8 #1FCCE8 #57D9EE #8FE6F4 #C6F2F9

Accessibility & contrast

On white

1.67

#57D9EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.57

#57D9EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57D9EE

12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57D9EE	#FFFFFF	#000000	##000000
##57D9EE	1.00	1.67	12.57	12.57
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.57	21.00	1.00	1.00
##000000	12.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7D2EF

Deuteranopia (green-blind)

#B1C1EE

Tritanopia (blue-blind)

#00E3DF

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #57d9ee;
/* rgb */ color: rgb(87, 217, 238);
/* oklch */ color: oklch(82.2% 0.116 210.0);

Tailwind

colors: {
  custom: {
    50: '#96e5f3',
    500: '#57d9ee',
    950: '#000000',
  },
}

SCSS

$custom: #57d9ee;
$custom-light: #96e5f3;
$custom-dark: #000000;

JSON

{
  "hex": "#57d9ee",
  "rgb": {
    "r": 87,
    "g": 217,
    "b": 238
  },
  "hsl": {
    "h": 188.344,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.82172,
    "c": 0.11603,
    "h": 210
  },
  "luminance": 0.57825
}

Semantic roles & 50–950 ramp

primary

#57D9EE

secondary

#B74532

accent

#2508DE

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #57D9EE

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

Preview Lab → · Contrast checker → · Palette generator →