#57BDF1#57BDF1

#57BDF1 is a light, vivid cyan. Relative luminance 0.448; OKLCH L 75.9% C 0.120 H 233.7°. Best body text is #000000 at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#57BDF1
RGB	rgb(87, 189, 241)
HSL	hsl(200, 85%, 64%)
HSV	hsv(200, 64%, 95%)
CMYK	cmyk(63.9%, 21.6%, 0%, 5.5%)
CIE-LAB	lab(72.74, -14.16, -34.59)
CIE-LCH	lch(72.74, 37.37, 247.74°)
OKLab	oklab(75.88% -0.0712 -0.0969)
OKLCH	oklch(75.88% 0.12 233.7)
XYZ	xyz(37.9991, 44.7684, 89.8406)
Luminance	0.4477 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BDF1 #F18B57

analogous

#57F1D8 #57BDF1 #5770F1

triadic

#57BDF1 #F157BD #BDF157

tetradic

#57BDF1 #D857F1 #F18B57 #70F157

square

#57BDF1 #D857F1 #F18B57 #70F157

split-complementary

#57BDF1 #F15770 #F1D857

monochromatic

#1083BE #1FA7EC #57BDF1 #8FD3F6 #C8E9FA

Accessibility & contrast

On white

2.11

#57BDF1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.95

#57BDF1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BDF1

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BDF1	#FFFFFF	#000000	##000000
##57BDF1	1.00	2.11	9.95	9.95
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.95	21.00	1.00	1.00
##000000	9.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4BBF4

Deuteranopia (green-blind)

#8EACF0

Tritanopia (blue-blind)

#00CBCE

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #57bdf1;
/* rgb */ color: rgb(87, 189, 241);
/* oklch */ color: oklch(75.9% 0.120 233.7);

Tailwind

colors: {
  custom: {
    50: '#95d0f5',
    500: '#57bdf1',
    950: '#000000',
  },
}

SCSS

$custom: #57bdf1;
$custom-light: #95d0f5;
$custom-dark: #000000;

JSON

{
  "hex": "#57bdf1",
  "rgb": {
    "r": 87,
    "g": 189,
    "b": 241
  },
  "hsl": {
    "h": 200.26,
    "s": 84.615,
    "l": 64.314
  },
  "oklch": {
    "l": 0.75883,
    "c": 0.12026,
    "h": 233.7
  },
  "luminance": 0.44772
}

Semantic roles & 50–950 ramp

primary

#57BDF1

secondary

#EDC9B7

accent

#4F04E1

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0F1417

muted

#7E8285

Preview Lab

Preview with #57BDF1

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

Preview Lab → · Contrast checker → · Palette generator →