#57BDE8#57BDE8

#57BDE8 is a light, moderate cyan. Relative luminance 0.442; OKLCH L 75.5% C 0.113 H 228.7°. Best body text is #000000 at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#57BDE8
RGB	rgb(87, 189, 232)
HSL	hsl(198, 76%, 63%)
HSV	hsv(198, 63%, 91%)
CMYK	cmyk(62.5%, 18.5%, 0%, 9%)
CIE-LAB	lab(72.39, -16.94, -30.25)
CIE-LCH	lch(72.39, 34.67, 240.75°)
OKLab	oklab(75.49% -0.0743 -0.0845)
OKLCH	oklch(75.49% 0.113 228.7)
XYZ	xyz(36.6878, 44.2439, 82.9347)
Luminance	0.4425 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BDE8 #E88257

analogous

#57E8CA #57BDE8 #5775E8

triadic

#57BDE8 #E857BD #BDE857

tetradic

#57BDE8 #CA57E8 #E88257 #75E857

square

#57BDE8 #CA57E8 #E88257 #75E857

split-complementary

#57BDE8 #E85775 #E8CA57

monochromatic

#1881AD #21A8E1 #57BDE8 #8DD2EF #C3E7F7

Accessibility & contrast

On white

2.13

#57BDE8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.85

#57BDE8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BDE8

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BDE8	#FFFFFF	#000000	##000000
##57BDE8	1.00	2.13	9.85	9.85
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.85	21.00	1.00	1.00
##000000	9.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7BAEA

Deuteranopia (green-blind)

#92ABE7

Tritanopia (blue-blind)

#00C9CB

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #57bde8;
/* rgb */ color: rgb(87, 189, 232);
/* oklch */ color: oklch(75.5% 0.113 228.7);

Tailwind

colors: {
  custom: {
    50: '#94d1ef',
    500: '#57bde8',
    950: '#000000',
  },
}

SCSS

$custom: #57bde8;
$custom-light: #94d1ef;
$custom-dark: #000000;

JSON

{
  "hex": "#57bde8",
  "rgb": {
    "r": 87,
    "g": 189,
    "b": 232
  },
  "hsl": {
    "h": 197.793,
    "s": 75.916,
    "l": 62.549
  },
  "oklch": {
    "l": 0.75491,
    "c": 0.11253,
    "h": 228.7
  },
  "luminance": 0.44248
}

Semantic roles & 50–950 ramp

primary

#57BDE8

secondary

#E8C3B3

accent

#4A0DD8

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #57BDE8

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

Preview Lab → · Contrast checker → · Palette generator →