#63ADFF#63ADFF

#63ADFF is a light, vivid cyan. Relative luminance 0.398; OKLCH L 73.5% C 0.141 H 252.4°. Best body text is #000000 at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#63ADFF
RGB	rgb(99, 173, 255)
HSL	hsl(212, 100%, 69%)
HSV	hsv(212, 61%, 100%)
CMYK	cmyk(61.2%, 32.2%, 0%, 0%)
CIE-LAB	lab(69.30, 1.12, -47.51)
CIE-LCH	lch(69.30, 47.52, 271.35°)
OKLab	oklab(73.48% -0.0426 -0.1343)
OKLCH	oklch(73.48% 0.141 252.4)
XYZ	xyz(38.1326, 39.7562, 100.2525)
Luminance	0.3976 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ADFF #FFB563

analogous

#63FBFF #63ADFF #6763FF

triadic

#63ADFF #FF63AD #ADFF63

tetradic

#63ADFF #FF63FB #FFB563 #63FF67

square

#63ADFF #FF63FB #FFB563 #63FF67

split-complementary

#63ADFF #FF6763 #FBFF63

monochromatic

#006EE8 #268DFF #63ADFF #A0CDFF #DDEDFF

Accessibility & contrast

On white

2.35

#63ADFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.95

#63ADFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ADFF

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ADFF	#FFFFFF	#000000	##000000
##63ADFF	1.00	2.35	8.95	8.95
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.95	21.00	1.00	1.00
##000000	8.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8AB1FF

Deuteranopia (green-blind)

#75A2FD

Tritanopia (blue-blind)

#00C0CA

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #63adff;
/* rgb */ color: rgb(99, 173, 255);
/* oklch */ color: oklch(73.5% 0.141 252.4);

Tailwind

colors: {
  custom: {
    50: '#9cc5ff',
    500: '#63adff',
    950: '#000000',
  },
}

SCSS

$custom: #63adff;
$custom-light: #9cc5ff;
$custom-dark: #000000;

JSON

{
  "hex": "#63adff",
  "rgb": {
    "r": 99,
    "g": 173,
    "b": 255
  },
  "hsl": {
    "h": 211.538,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.7348,
    "c": 0.14089,
    "h": 252.4
  },
  "luminance": 0.3976
}

Semantic roles & 50–950 ramp

primary

#63ADFF

secondary

#F5E0C8

accent

#7900E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1218

muted

#7F8186

Preview Lab

Preview with #63ADFF

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

Preview Lab → · Contrast checker → · Palette generator →