#57BDE3#57BDE3

#57BDE3 is a light, moderate cyan. Relative luminance 0.440; OKLCH L 75.3% C 0.109 H 225.6°. Best body text is #000000 at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#57BDE3
RGB	rgb(87, 189, 227)
HSL	hsl(196, 71%, 62%)
HSV	hsv(196, 62%, 89%)
CMYK	cmyk(61.7%, 16.7%, 0%, 11%)
CIE-LAB	lab(72.20, -18.47, -27.83)
CIE-LCH	lch(72.20, 33.40, 236.43°)
OKLab	oklab(75.28% -0.0761 -0.0776)
OKLCH	oklch(75.28% 0.109 225.6)
XYZ	xyz(35.9877, 43.9638, 79.2474)
Luminance	0.4397 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BDE3 #E37D57

analogous

#57E3C3 #57BDE3 #5777E3

triadic

#57BDE3 #E357BD #BDE357

tetradic

#57BDE3 #C357E3 #E37D57 #77E357

square

#57BDE3 #C357E3 #E37D57 #77E357

split-complementary

#57BDE3 #E35777 #E3C357

monochromatic

#1B7FA4 #24A8D9 #57BDE3 #8BD2EC #C0E6F4

Accessibility & contrast

On white

2.14

#57BDE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.79

#57BDE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BDE3

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BDE3	#FFFFFF	#000000	##000000
##57BDE3	1.00	2.14	9.79	9.79
#FFFFFF	2.14	1.00	21.00	21.00
#000000	9.79	21.00	1.00	1.00
##000000	9.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B9E5

Deuteranopia (green-blind)

#94ABE3

Tritanopia (blue-blind)

#00C8C9

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #57bde3;
/* rgb */ color: rgb(87, 189, 227);
/* oklch */ color: oklch(75.3% 0.109 225.6);

Tailwind

colors: {
  custom: {
    50: '#93d1ec',
    500: '#57bde3',
    950: '#000000',
  },
}

SCSS

$custom: #57bde3;
$custom-light: #93d1ec;
$custom-dark: #000000;

JSON

{
  "hex": "#57bde3",
  "rgb": {
    "r": 87,
    "g": 189,
    "b": 227
  },
  "hsl": {
    "h": 196.286,
    "s": 71.429,
    "l": 61.569
  },
  "oklch": {
    "l": 0.7528,
    "c": 0.10869,
    "h": 225.6
  },
  "luminance": 0.43967
}

Semantic roles & 50–950 ramp

primary

#57BDE3

secondary

#E5BFB1

accent

#4712D3

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #57BDE3

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

Preview Lab → · Contrast checker → · Palette generator →