#57BFE4#57BFE4

#57BFE4 is a light, moderate cyan. Relative luminance 0.449; OKLCH L 75.8% C 0.109 H 224.5°. Best body text is #000000 at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#57BFE4
RGB	rgb(87, 191, 228)
HSL	hsl(196, 72%, 62%)
HSV	hsv(196, 62%, 89%)
CMYK	cmyk(61.8%, 16.2%, 0%, 10.6%)
CIE-LAB	lab(72.82, -19.20, -27.43)
CIE-LCH	lch(72.82, 33.48, 235.01°)
OKLab	oklab(75.78% -0.0778 -0.0765)
OKLCH	oklch(75.78% 0.109 224.5)
XYZ	xyz(36.5593, 44.8855, 80.1208)
Luminance	0.4489 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BFE4 #E47C57

analogous

#57E4C3 #57BFE4 #5779E4

triadic

#57BFE4 #E457BF #BFE457

tetradic

#57BFE4 #C357E4 #E47C57 #79E457

square

#57BFE4 #C357E4 #E47C57 #79E457

split-complementary

#57BFE4 #E45779 #E4C357

monochromatic

#1B81A6 #23ABDB #57BFE4 #8CD3EC #C0E7F5

Accessibility & contrast

On white

2.10

#57BFE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.98

#57BFE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BFE4

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BFE4	#FFFFFF	#000000	##000000
##57BFE4	1.00	2.10	9.98	9.98
#FFFFFF	2.10	1.00	21.00	21.00
#000000	9.98	21.00	1.00	1.00
##000000	9.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AABBE6

Deuteranopia (green-blind)

#96ACE4

Tritanopia (blue-blind)

#00CACB

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #57bfe4;
/* rgb */ color: rgb(87, 191, 228);
/* oklch */ color: oklch(75.8% 0.109 224.5);

Tailwind

colors: {
  custom: {
    50: '#93d2ec',
    500: '#57bfe4',
    950: '#000000',
  },
}

SCSS

$custom: #57bfe4;
$custom-light: #93d2ec;
$custom-dark: #000000;

JSON

{
  "hex": "#57bfe4",
  "rgb": {
    "r": 87,
    "g": 191,
    "b": 228
  },
  "hsl": {
    "h": 195.745,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.75782,
    "c": 0.1091,
    "h": 224.5
  },
  "luminance": 0.44889
}

Semantic roles & 50–950 ramp

primary

#57BFE4

secondary

#E6BFB1

accent

#4411D4

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #57BFE4

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

Preview Lab → · Contrast checker → · Palette generator →