#57D1F3#57D1F3

#57D1F3 is a light, moderate cyan. Relative luminance 0.541; OKLCH L 80.5% C 0.117 H 219.5°. Best body text is #000000 at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#57D1F3
RGB	rgb(87, 209, 243)
HSL	hsl(193, 87%, 65%)
HSV	hsv(193, 64%, 95%)
CMYK	cmyk(64.2%, 14%, 0%, 4.7%)
CIE-LAB	lab(78.52, -23.85, -26.77)
CIE-LCH	lch(78.52, 35.86, 228.30°)
OKLab	oklab(80.52% -0.0906 -0.0746)
OKLCH	oklch(80.52% 0.117 219.5)
XYZ	xyz(42.9020, 54.0936, 92.9568)
Luminance	0.5410 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57D1F3 #F37957

analogous

#57F3C7 #57D1F3 #5783F3

triadic

#57D1F3 #F357D1 #D1F357

tetradic

#57D1F3 #C757F3 #F37957 #83F357

square

#57D1F3 #C757F3 #F37957 #83F357

split-complementary

#57D1F3 #F35783 #F3C757

monochromatic

#0E9BC2 #1EC1EF #57D1F3 #90E1F7 #C9F0FB

Accessibility & contrast

On white

1.78

#57D1F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.82

#57D1F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57D1F3

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57D1F3	#FFFFFF	#000000	##000000
##57D1F3	1.00	1.78	11.82	11.82
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.82	21.00	1.00	1.00
##000000	11.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCCCF5

Deuteranopia (green-blind)

#A6BBF3

Tritanopia (blue-blind)

#00DCDC

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #57d1f3;
/* rgb */ color: rgb(87, 209, 243);
/* oklch */ color: oklch(80.5% 0.117 219.5);

Tailwind

colors: {
  custom: {
    50: '#96dff7',
    500: '#57d1f3',
    950: '#000000',
  },
}

SCSS

$custom: #57d1f3;
$custom-light: #96dff7;
$custom-dark: #000000;

JSON

{
  "hex": "#57d1f3",
  "rgb": {
    "r": 87,
    "g": 209,
    "b": 243
  },
  "hsl": {
    "h": 193.077,
    "s": 86.667,
    "l": 64.706
  },
  "oklch": {
    "l": 0.80523,
    "c": 0.11733,
    "h": 219.5
  },
  "luminance": 0.54098
}

Semantic roles & 50–950 ramp

primary

#57D1F3

secondary

#BF4E2F

accent

#3302E3

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #57D1F3

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

Preview Lab → · Contrast checker → · Palette generator →