#63AFFE#63AFFE

#63AFFE is a light, vivid cyan. Relative luminance 0.405; OKLCH L 73.9% C 0.138 H 251.0°. Best body text is #000000 at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#63AFFE
RGB	rgb(99, 175, 254)
HSL	hsl(211, 99%, 69%)
HSV	hsv(211, 61%, 100%)
CMYK	cmyk(61%, 31.1%, 0%, 0.4%)
CIE-LAB	lab(69.80, -0.33, -46.18)
CIE-LCH	lch(69.80, 46.18, 269.59°)
OKLab	oklab(73.86% -0.0449 -0.1304)
OKLCH	oklch(73.86% 0.138 251)
XYZ	xyz(38.3584, 40.4647, 99.5357)
Luminance	0.4047 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AFFE #FEB263

analogous

#63FCFE #63AFFE #6563FE

triadic

#63AFFE #FE63AF #AFFE63

tetradic

#63AFFE #FE63FC #FEB263 #63FE65

square

#63AFFE #FE63FC #FEB263 #63FE65

split-complementary

#63AFFE #FE6563 #FCFE63

monochromatic

#0171E5 #2690FE #63AFFE #A0CEFE #DDEDFF

Accessibility & contrast

On white

2.31

#63AFFE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.09

#63AFFE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AFFE

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AFFE	#FFFFFF	#000000	##000000
##63AFFE	1.00	2.31	9.09	9.09
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.09	21.00	1.00	1.00
##000000	9.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8DB3FF

Deuteranopia (green-blind)

#78A4FC

Tritanopia (blue-blind)

#00C1CB

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #63affe;
/* rgb */ color: rgb(99, 175, 254);
/* oklch */ color: oklch(73.9% 0.138 251.0);

Tailwind

colors: {
  custom: {
    50: '#9cc6ff',
    500: '#63affe',
    950: '#000000',
  },
}

SCSS

$custom: #63affe;
$custom-light: #9cc6ff;
$custom-dark: #000000;

JSON

{
  "hex": "#63affe",
  "rgb": {
    "r": 99,
    "g": 175,
    "b": 254
  },
  "hsl": {
    "h": 210.581,
    "s": 98.726,
    "l": 69.216
  },
  "oklch": {
    "l": 0.7386,
    "c": 0.13791,
    "h": 251
  },
  "luminance": 0.40468
}

Semantic roles & 50–950 ramp

primary

#63AFFE

secondary

#F5DFC8

accent

#7500E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1318

muted

#7F8286

Preview Lab

Preview with #63AFFE

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

Preview Lab → · Contrast checker → · Palette generator →