#63AAF7#63AAF7

#63AAF7 is a light, vivid cyan. Relative luminance 0.381; OKLCH L 72.4% C 0.134 H 251.9°. Best body text is #000000 at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#63AAF7
RGB	rgb(99, 170, 247)
HSL	hsl(211, 90%, 68%)
HSV	hsv(211, 60%, 97%)
CMYK	cmyk(59.9%, 31.2%, 0%, 3.1%)
CIE-LAB	lab(68.10, 0.25, -45.04)
CIE-LCH	lch(68.10, 45.04, 270.32°)
OKLab	oklab(72.43% -0.0416 -0.1272)
OKLCH	oklch(72.43% 0.134 251.9)
XYZ	xyz(36.3027, 38.1142, 93.4213)
Luminance	0.3812 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AAF7 #F7B063

analogous

#63F4F7 #63AAF7 #6663F7

triadic

#63AAF7 #F763AA #AAF763

tetradic

#63AAF7 #F763F4 #F7B063 #63F766

square

#63AAF7 #F763F4 #F7B063 #63F766

split-complementary

#63AAF7 #F76663 #F4F763

monochromatic

#0B6CD5 #298AF4 #63AAF7 #9DCAFA #D7E9FD

Accessibility & contrast

On white

2.44

#63AAF7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.62

#63AAF7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AAF7

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AAF7	#FFFFFF	#000000	##000000
##63AAF7	1.00	2.44	8.62	8.62
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.62	21.00	1.00	1.00
##000000	8.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#89AEFA

Deuteranopia (green-blind)

#76A0F5

Tritanopia (blue-blind)

#00BCC5

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #63aaf7;
/* rgb */ color: rgb(99, 170, 247);
/* oklch */ color: oklch(72.4% 0.134 251.9);

Tailwind

colors: {
  custom: {
    50: '#9bc3fa',
    500: '#63aaf7',
    950: '#000000',
  },
}

SCSS

$custom: #63aaf7;
$custom-light: #9bc3fa;
$custom-dark: #000000;

JSON

{
  "hex": "#63aaf7",
  "rgb": {
    "r": 99,
    "g": 170,
    "b": 247
  },
  "hsl": {
    "h": 211.216,
    "s": 90.244,
    "l": 67.843
  },
  "oklch": {
    "l": 0.72426,
    "c": 0.13379,
    "h": 251.9
  },
  "luminance": 0.38118
}

Semantic roles & 50–950 ramp

primary

#63AAF7

secondary

#F2DCC4

accent

#7700E6

background

#FAFBFF

surface

#F4F7FF

border

#CED0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63AAF7

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

Preview Lab → · Contrast checker → · Palette generator →