#57BDDF#57BDDF

#57BDDF is a light, moderate cyan. Relative luminance 0.437; OKLCH L 75.1% C 0.106 H 222.9°. Best body text is #000000 at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#57BDDF
RGB	rgb(87, 189, 223)
HSL	hsl(195, 68%, 61%)
HSV	hsv(195, 61%, 87%)
CMYK	cmyk(61%, 15.2%, 0%, 12.5%)
CIE-LAB	lab(72.06, -19.68, -25.88)
CIE-LCH	lch(72.06, 32.51, 232.75°)
OKLab	oklab(75.11% -0.0776 -0.0721)
OKLCH	oklch(75.11% 0.106 222.9)
XYZ	xyz(35.4421, 43.7456, 76.3737)
Luminance	0.4375 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BDDF #DF7957

analogous

#57DFBD #57BDDF #5779DF

triadic

#57BDDF #DF57BD #BDDF57

tetradic

#57BDDF #BD57DF #DF7957 #79DF57

square

#57BDDF #BD57DF #DF7957 #79DF57

split-complementary

#57BDDF #DF5779 #DFBD57

monochromatic

#1E7E9E #28A7D1 #57BDDF #8AD1E9 #BEE5F3

Accessibility & contrast

On white

2.15

#57BDDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.75

#57BDDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BDDF

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BDDF	#FFFFFF	#000000	##000000
##57BDDF	1.00	2.15	9.75	9.75
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.75	21.00	1.00	1.00
##000000	9.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9B9E1

Deuteranopia (green-blind)

#96AADF

Tritanopia (blue-blind)

#00C8C8

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #57bddf;
/* rgb */ color: rgb(87, 189, 223);
/* oklch */ color: oklch(75.1% 0.106 222.9);

Tailwind

colors: {
  custom: {
    50: '#93d1e9',
    500: '#57bddf',
    950: '#000000',
  },
}

SCSS

$custom: #57bddf;
$custom-light: #93d1e9;
$custom-dark: #000000;

JSON

{
  "hex": "#57bddf",
  "rgb": {
    "r": 87,
    "g": 189,
    "b": 223
  },
  "hsl": {
    "h": 195,
    "s": 68,
    "l": 60.784
  },
  "oklch": {
    "l": 0.75115,
    "c": 0.10588,
    "h": 222.9
  },
  "luminance": 0.43749
}

Semantic roles & 50–950 ramp

primary

#57BDDF

secondary

#E3BCAF

accent

#4416D0

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #57BDDF

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

Preview Lab → · Contrast checker → · Palette generator →