#57A8FA#57A8FA

#57A8FA is a light, vivid cyan. Relative luminance 0.369; OKLCH L 71.7% C 0.144 H 250.8°. Best body text is #000000 at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#57A8FA
RGB	rgb(87, 168, 250)
HSL	hsl(210, 94%, 66%)
HSV	hsv(210, 65%, 98%)
CMYK	cmyk(65.2%, 32.8%, 0%, 2%)
CIE-LAB	lab(67.22, 0.28, -48.09)
CIE-LCH	lch(67.22, 48.09, 270.33°)
OKLab	oklab(71.65% -0.0475 -0.1362)
OKLCH	oklch(71.65% 0.144 250.8)
XYZ	xyz(35.1821, 36.9301, 95.6980)
Luminance	0.3693 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A8FA #FAA957

analogous

#57FAFA #57A8FA #5757FA

triadic

#57A8FA #FA57A8 #A8FA57

tetradic

#57A8FA #FA57FA #FAA957 #57FA57

square

#57A8FA #FA57FA #FAA957 #57FA57

split-complementary

#57A8FA #FA5757 #FAFA57

monochromatic

#066BD0 #1C89F8 #57A8FA #92C7FC #CEE6FE

Accessibility & contrast

On white

2.50

#57A8FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.39

#57A8FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A8FA

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A8FA	#FFFFFF	#000000	##000000
##57A8FA	1.00	2.50	8.39	8.39
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.39	21.00	1.00	1.00
##000000	8.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84ACFD

Deuteranopia (green-blind)

#6D9DF8

Tritanopia (blue-blind)

#00BBC6

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #57a8fa;
/* rgb */ color: rgb(87, 168, 250);
/* oklch */ color: oklch(71.7% 0.144 250.8);

Tailwind

colors: {
  custom: {
    50: '#95c1fc',
    500: '#57a8fa',
    950: '#000000',
  },
}

SCSS

$custom: #57a8fa;
$custom-light: #95c1fc;
$custom-dark: #000000;

JSON

{
  "hex": "#57a8fa",
  "rgb": {
    "r": 87,
    "g": 168,
    "b": 250
  },
  "hsl": {
    "h": 210.184,
    "s": 94.22,
    "l": 66.078
  },
  "oklch": {
    "l": 0.71653,
    "c": 0.14426,
    "h": 250.8
  },
  "luminance": 0.36934
}

Semantic roles & 50–950 ramp

primary

#57A8FA

secondary

#F1D7BC

accent

#7300E6

background

#F9FBFF

surface

#F2F7FF

border

#CCD0D7

text

#0F1217

muted

#7E8185

Preview Lab

Preview with #57A8FA

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

Preview Lab → · Contrast checker → · Palette generator →