#57BBDF#57BBDF

#57BBDF is a light, moderate cyan. Relative luminance 0.429; OKLCH L 74.7% C 0.106 H 224.7°. Best body text is #000000 at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#57BBDF
RGB	rgb(87, 187, 223)
HSL	hsl(196, 68%, 61%)
HSV	hsv(196, 61%, 87%)
CMYK	cmyk(61%, 16.1%, 0%, 12.5%)
CIE-LAB	lab(71.48, -18.64, -26.76)
CIE-LCH	lch(71.48, 32.61, 235.14°)
OKLab	oklab(74.65% -0.0755 -0.0746)
OKLCH	oklch(74.65% 0.106 224.7)
XYZ	xyz(35.0148, 42.8911, 76.2312)
Luminance	0.4289 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BBDF #DF7B57

analogous

#57DFBF #57BBDF #5777DF

triadic

#57BBDF #DF57BB #BBDF57

tetradic

#57BBDF #BF57DF #DF7B57 #77DF57

square

#57BBDF #BF57DF #DF7B57 #77DF57

split-complementary

#57BBDF #DF5777 #DFBF57

monochromatic

#1E7C9E #28A4D1 #57BBDF #8AD0E9 #BEE5F3

Accessibility & contrast

On white

2.19

#57BBDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.58

#57BBDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BBDF

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BBDF	#FFFFFF	#000000	##000000
##57BBDF	1.00	2.19	9.58	9.58
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.58	21.00	1.00	1.00
##000000	9.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7B7E1

Deuteranopia (green-blind)

#94A9DF

Tritanopia (blue-blind)

#00C6C7

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #57bbdf;
/* rgb */ color: rgb(87, 187, 223);
/* oklch */ color: oklch(74.7% 0.106 224.7);

Tailwind

colors: {
  custom: {
    50: '#93cfe9',
    500: '#57bbdf',
    950: '#000000',
  },
}

SCSS

$custom: #57bbdf;
$custom-light: #93cfe9;
$custom-dark: #000000;

JSON

{
  "hex": "#57bbdf",
  "rgb": {
    "r": 87,
    "g": 187,
    "b": 223
  },
  "hsl": {
    "h": 195.882,
    "s": 68,
    "l": 60.784
  },
  "oklch": {
    "l": 0.74654,
    "c": 0.10612,
    "h": 224.7
  },
  "luminance": 0.42895
}

Semantic roles & 50–950 ramp

primary

#57BBDF

secondary

#E3BDAF

accent

#4716D0

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57BBDF

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

Preview Lab → · Contrast checker → · Palette generator →