#57B3F1#57B3F1

#57B3F1 is a light, vivid cyan. Relative luminance 0.406; OKLCH L 73.6% C 0.126 H 240.9°. Best body text is #000000 at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#57B3F1
RGB	rgb(87, 179, 241)
HSL	hsl(204, 85%, 64%)
HSV	hsv(204, 64%, 95%)
CMYK	cmyk(63.9%, 25.7%, 0%, 5.5%)
CIE-LAB	lab(69.90, -8.78, -38.99)
CIE-LCH	lch(69.90, 39.97, 257.31°)
OKLab	oklab(73.63% -0.0611 -0.1097)
OKLCH	oklch(73.63% 0.126 240.9)
XYZ	xyz(35.9217, 40.6137, 89.1481)
Luminance	0.4062 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B3F1 #F19557

analogous

#57F1E2 #57B3F1 #5766F1

triadic

#57B3F1 #F157B3 #B3F157

tetradic

#57B3F1 #E257F1 #F19557 #66F157

square

#57B3F1 #E257F1 #F19557 #66F157

split-complementary

#57B3F1 #F15766 #F1E257

monochromatic

#1078BE #1F99EC #57B3F1 #8FCDF6 #C8E6FA

Accessibility & contrast

On white

2.30

#57B3F1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.12

#57B3F1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B3F1

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B3F1	#FFFFFF	#000000	##000000
##57B3F1	1.00	2.30	9.12	9.12
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.12	21.00	1.00	1.00
##000000	9.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97B3F4

Deuteranopia (green-blind)

#82A4F0

Tritanopia (blue-blind)

#00C2C8

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #57b3f1;
/* rgb */ color: rgb(87, 179, 241);
/* oklch */ color: oklch(73.6% 0.126 240.9);

Tailwind

colors: {
  custom: {
    50: '#94c9f6',
    500: '#57b3f1',
    950: '#000000',
  },
}

SCSS

$custom: #57b3f1;
$custom-light: #94c9f6;
$custom-dark: #000000;

JSON

{
  "hex": "#57b3f1",
  "rgb": {
    "r": 87,
    "g": 179,
    "b": 241
  },
  "hsl": {
    "h": 204.156,
    "s": 84.615,
    "l": 64.314
  },
  "oklch": {
    "l": 0.73634,
    "c": 0.12554,
    "h": 240.9
  },
  "luminance": 0.40617
}

Semantic roles & 50–950 ramp

primary

#57B3F1

secondary

#EDCDB7

accent

#5D04E1

background

#F9FCFF

surface

#F2F8FE

border

#CCD1D6

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #57B3F1

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

Preview Lab → · Contrast checker → · Palette generator →