#57A3FF#57A3FF

#57A3FF is a light, vivid cyan. Relative luminance 0.354; OKLCH L 70.8% C 0.155 H 254.5°. Best body text is #000000 at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#57A3FF
RGB	rgb(87, 163, 255)
HSL	hsl(213, 100%, 67%)
HSV	hsv(213, 66%, 100%)
CMYK	cmyk(65.9%, 36.1%, 0%, 0%)
CIE-LAB	lab(66.09, 4.80, -52.60)
CIE-LCH	lch(66.09, 52.82, 275.21°)
OKLab	oklab(70.84% -0.0414 -0.1494)
OKLCH	oklch(70.84% 0.155 254.5)
XYZ	xyz(35.0711, 35.4371, 99.5801)
Luminance	0.3544 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A3FF #FFB357

analogous

#57F7FF #57A3FF #5F57FF

triadic

#57A3FF #FF57A3 #A3FF57

tetradic

#57A3FF #FF57F7 #FFB357 #57FF5F

square

#57A3FF #FF57F7 #FFB357 #57FF5F

split-complementary

#57A3FF #FF5F57 #F7FF57

monochromatic

#0063DC #1A81FF #57A3FF #94C5FF #D1E6FF

Accessibility & contrast

On white

2.60

#57A3FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.09

#57A3FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A3FF

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A3FF	#FFFFFF	#000000	##000000
##57A3FF	1.00	2.60	8.09	8.09
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.09	21.00	1.00	1.00
##000000	8.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7AA9FF

Deuteranopia (green-blind)

#6299FD

Tritanopia (blue-blind)

#00B8C5

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #57a3ff;
/* rgb */ color: rgb(87, 163, 255);
/* oklch */ color: oklch(70.8% 0.155 254.5);

Tailwind

colors: {
  custom: {
    50: '#96bdff',
    500: '#57a3ff',
    950: '#000000',
  },
}

SCSS

$custom: #57a3ff;
$custom-light: #96bdff;
$custom-dark: #000000;

JSON

{
  "hex": "#57a3ff",
  "rgb": {
    "r": 87,
    "g": 163,
    "b": 255
  },
  "hsl": {
    "h": 212.857,
    "s": 100,
    "l": 67.059
  },
  "oklch": {
    "l": 0.70842,
    "c": 0.15509,
    "h": 254.5
  },
  "luminance": 0.35441
}

Semantic roles & 50–950 ramp

primary

#57A3FF

secondary

#F4DBBE

accent

#7E00E6

background

#FAFBFF

surface

#F3F6FF

border

#CDD0D7

text

#0F1218

muted

#7F8186

Preview Lab

Preview with #57A3FF

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

Preview Lab → · Contrast checker → · Palette generator →