#63D3F1#63D3F1

#63D3F1 is a light, moderate cyan. Relative luminance 0.556; OKLCH L 81.3% C 0.110 H 218.0°. Best body text is #000000 at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#63D3F1
RGB	rgb(99, 211, 241)
HSL	hsl(193, 84%, 67%)
HSV	hsv(193, 59%, 95%)
CMYK	cmyk(58.9%, 12.4%, 0%, 5.5%)
CIE-LAB	lab(79.38, -23.42, -24.35)
CIE-LCH	lch(79.38, 33.79, 226.12°)
OKLab	oklab(81.29% -0.0864 -0.0676)
OKLCH	oklch(81.29% 0.11 218)
XYZ	xyz(44.3107, 55.5877, 91.5963)
Luminance	0.5559 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D3F1 #F18163

analogous

#63F1C8 #63D3F1 #638CF1

triadic

#63D3F1 #F163D3 #D3F163

tetradic

#63D3F1 #C863F1 #F18163 #8CF163

square

#63D3F1 #C863F1 #F18163 #8CF163

split-complementary

#63D3F1 #F1638C #F1C863

monochromatic

#12A1C8 #2BC3EC #63D3F1 #9BE3F6 #D3F3FB

Accessibility & contrast

On white

1.73

#63D3F1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.12

#63D3F1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D3F1

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D3F1	#FFFFFF	#000000	##000000
##63D3F1	1.00	1.73	12.12	12.12
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.12	21.00	1.00	1.00
##000000	12.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0CDF3

Deuteranopia (green-blind)

#ABBEF1

Tritanopia (blue-blind)

#00DDDC

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #63d3f1;
/* rgb */ color: rgb(99, 211, 241);
/* oklch */ color: oklch(81.3% 0.110 218.0);

Tailwind

colors: {
  custom: {
    50: '#9ce0f5',
    500: '#63d3f1',
    950: '#000000',
  },
}

SCSS

$custom: #63d3f1;
$custom-light: #9ce0f5;
$custom-dark: #000000;

JSON

{
  "hex": "#63d3f1",
  "rgb": {
    "r": 99,
    "g": 211,
    "b": 241
  },
  "hsl": {
    "h": 192.676,
    "s": 83.529,
    "l": 66.667
  },
  "oklch": {
    "l": 0.81293,
    "c": 0.10977,
    "h": 218
  },
  "luminance": 0.55592
}

Semantic roles & 50–950 ramp

primary

#63D3F1

secondary

#C55234

accent

#3406E0

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D3F1

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

Preview Lab → · Contrast checker → · Palette generator →