#63BFDF#63BFDF

#63BFDF is a light, moderate cyan. Relative luminance 0.452; OKLCH L 76.0% C 0.099 H 223.2°. Best body text is #000000 at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#63BFDF
RGB	rgb(99, 191, 223)
HSL	hsl(195, 66%, 63%)
HSV	hsv(195, 56%, 87%)
CMYK	cmyk(55.6%, 14.3%, 0%, 12.5%)
CIE-LAB	lab(73.05, -18.45, -24.33)
CIE-LCH	lch(73.05, 30.53, 232.82°)
OKLab	oklab(76.02% -0.0719 -0.0676)
OKLCH	oklch(76.02% 0.099 223.2)
XYZ	xyz(37.0905, 45.2385, 76.5750)
Luminance	0.4524 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BFDF #DF8363

analogous

#63DFC1 #63BFDF #6381DF

triadic

#63BFDF #DF63BF #BFDF63

tetradic

#63BFDF #C163DF #DF8363 #81DF63

square

#63BFDF #C163DF #DF8363 #81DF63

split-complementary

#63BFDF #DF6381 #DFC163

monochromatic

#2284A6 #30AAD5 #63BFDF #96D4E9 #C9E9F4

Accessibility & contrast

On white

2.09

#63BFDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.05

#63BFDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BFDF

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BFDF	#FFFFFF	#000000	##000000
##63BFDF	1.00	2.09	10.05	10.05
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.05	21.00	1.00	1.00
##000000	10.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADBBE1

Deuteranopia (green-blind)

#9BADDF

Tritanopia (blue-blind)

#00C9C9

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #63bfdf;
/* rgb */ color: rgb(99, 191, 223);
/* oklch */ color: oklch(76.0% 0.099 223.2);

Tailwind

colors: {
  custom: {
    50: '#99d2e9',
    500: '#63bfdf',
    950: '#000000',
  },
}

SCSS

$custom: #63bfdf;
$custom-light: #99d2e9;
$custom-dark: #000000;

JSON

{
  "hex": "#63bfdf",
  "rgb": {
    "r": 99,
    "g": 191,
    "b": 223
  },
  "hsl": {
    "h": 195.484,
    "s": 65.957,
    "l": 63.137
  },
  "oklch": {
    "l": 0.76022,
    "c": 0.09867,
    "h": 223.2
  },
  "luminance": 0.45242
}

Semantic roles & 50–950 ramp

primary

#63BFDF

secondary

#E5C4B9

accent

#4718CE

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0F1416

muted

#7E8284

Preview Lab

Preview with #63BFDF

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

Preview Lab → · Contrast checker → · Palette generator →