#57ADEE#57ADEE

#57ADEE is a light, vivid cyan. Relative luminance 0.381; OKLCH L 72.2% C 0.126 H 243.7°. Best body text is #000000 at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#57ADEE
RGB	rgb(87, 173, 238)
HSL	hsl(206, 82%, 64%)
HSV	hsv(206, 63%, 93%)
CMYK	cmyk(63.4%, 27.3%, 0%, 6.7%)
CIE-LAB	lab(68.08, -6.44, -40.20)
CIE-LCH	lch(68.08, 40.72, 260.90°)
OKLab	oklab(72.15% -0.0559 -0.1132)
OKLCH	oklch(72.15% 0.126 243.7)
XYZ	xyz(34.3009, 38.0830, 86.4154)
Luminance	0.3809 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57ADEE #EE9857

analogous

#57EEE4 #57ADEE #5761EE

triadic

#57ADEE #EE57AD #ADEE57

tetradic

#57ADEE #E457EE #EE9857 #61EE57

square

#57ADEE #E457EE #EE9857 #61EE57

split-complementary

#57ADEE #EE5761 #EEE457

monochromatic

#1371B8 #1F92E8 #57ADEE #8FC8F4 #C6E3F9

Accessibility & contrast

On white

2.44

#57ADEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.62

#57ADEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57ADEE

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57ADEE	#FFFFFF	#000000	##000000
##57ADEE	1.00	2.44	8.62	8.62
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.62	21.00	1.00	1.00
##000000	8.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90AEF1

Deuteranopia (green-blind)

#7B9FED

Tritanopia (blue-blind)

#00BDC4

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #57adee;
/* rgb */ color: rgb(87, 173, 238);
/* oklch */ color: oklch(72.2% 0.126 243.7);

Tailwind

colors: {
  custom: {
    50: '#94c5f4',
    500: '#57adee',
    950: '#000000',
  },
}

SCSS

$custom: #57adee;
$custom-light: #94c5f4;
$custom-dark: #000000;

JSON

{
  "hex": "#57adee",
  "rgb": {
    "r": 87,
    "g": 173,
    "b": 238
  },
  "hsl": {
    "h": 205.828,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.7215,
    "c": 0.1263,
    "h": 243.7
  },
  "luminance": 0.38086
}

Semantic roles & 50–950 ramp

primary

#57ADEE

secondary

#EBCDB6

accent

#6408DE

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #57ADEE

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

Preview Lab → · Contrast checker → · Palette generator →