#63ADF1#63ADF1

#63ADF1 is a light, vivid cyan. Relative luminance 0.389; OKLCH L 72.8% C 0.124 H 248.0°. Best body text is #000000 at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#63ADF1
RGB	rgb(99, 173, 241)
HSL	hsl(209, 84%, 67%)
HSV	hsv(209, 59%, 95%)
CMYK	cmyk(58.9%, 28.2%, 0%, 5.5%)
CIE-LAB	lab(68.67, -3.32, -40.89)
CIE-LCH	lch(68.67, 41.02, 265.35°)
OKLab	oklab(72.78% -0.0465 -0.1151)
OKLCH	oklch(72.78% 0.124 248)
XYZ	xyz(35.9606, 38.8874, 88.8130)
Luminance	0.3889 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ADF1 #F1A763

analogous

#63F1EE #63ADF1 #6366F1

triadic

#63ADF1 #F163AD #ADF163

tetradic

#63ADF1 #EE63F1 #F1A763 #66F163

square

#63ADF1 #EE63F1 #F1A763 #66F163

split-complementary

#63ADF1 #F16366 #F1EE63

monochromatic

#1271C8 #2B8FEC #63ADF1 #9BCBF6 #D3E8FB

Accessibility & contrast

On white

2.39

#63ADF1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.78

#63ADF1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ADF1

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ADF1	#FFFFFF	#000000	##000000
##63ADF1	1.00	2.39	8.78	8.78
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.78	21.00	1.00	1.00
##000000	8.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90AFF4

Deuteranopia (green-blind)

#7DA1F0

Tritanopia (blue-blind)

#00BDC5

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #63adf1;
/* rgb */ color: rgb(99, 173, 241);
/* oklch */ color: oklch(72.8% 0.124 248.0);

Tailwind

colors: {
  custom: {
    50: '#9ac5f6',
    500: '#63adf1',
    950: '#000000',
  },
}

SCSS

$custom: #63adf1;
$custom-light: #9ac5f6;
$custom-dark: #000000;

JSON

{
  "hex": "#63adf1",
  "rgb": {
    "r": 99,
    "g": 173,
    "b": 241
  },
  "hsl": {
    "h": 208.732,
    "s": 83.529,
    "l": 66.667
  },
  "oklch": {
    "l": 0.72783,
    "c": 0.12412,
    "h": 248
  },
  "luminance": 0.38891
}

Semantic roles & 50–950 ramp

primary

#63ADF1

secondary

#EFD7C1

accent

#6E06E0

background

#FAFCFF

surface

#F3F8FE

border

#CDD1D6

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63ADF1

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

Preview Lab → · Contrast checker → · Palette generator →