#63CAE9#63CAE9

#63CAE9 is a light, moderate cyan. Relative luminance 0.508; OKLCH L 78.9% C 0.105 H 220.3°. Best body text is #000000 at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#63CAE9
RGB	rgb(99, 202, 233)
HSL	hsl(194, 75%, 65%)
HSV	hsv(194, 58%, 91%)
CMYK	cmyk(57.5%, 13.3%, 0%, 8.6%)
CIE-LAB	lab(76.54, -21.19, -24.40)
CIE-LCH	lch(76.54, 32.31, 229.02°)
OKLab	oklab(78.93% -0.08 -0.0678)
OKLCH	oklch(78.93% 0.105 220.3)
XYZ	xyz(40.9683, 50.7729, 84.7161)
Luminance	0.5078 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CAE9 #E98263

analogous

#63E9C5 #63CAE9 #6387E9

triadic

#63CAE9 #E963CA #CAE963

tetradic

#63CAE9 #C563E9 #E98263 #87E963

square

#63CAE9 #C563E9 #E98263 #87E963

split-complementary

#63CAE9 #E96387 #E9C563

monochromatic

#1A93B8 #2DB8E1 #63CAE9 #99DCF1 #CEEEF8

Accessibility & contrast

On white

1.88

#63CAE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.16

#63CAE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CAE9

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CAE9	#FFFFFF	#000000	##000000
##63CAE9	1.00	1.88	11.16	11.16
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.16	21.00	1.00	1.00
##000000	11.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7C5EB

Deuteranopia (green-blind)

#A3B7E9

Tritanopia (blue-blind)

#00D4D4

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #63cae9;
/* rgb */ color: rgb(99, 202, 233);
/* oklch */ color: oklch(78.9% 0.105 220.3);

Tailwind

colors: {
  custom: {
    50: '#9adaf0',
    500: '#63cae9',
    950: '#000000',
  },
}

SCSS

$custom: #63cae9;
$custom-light: #9adaf0;
$custom-dark: #000000;

JSON

{
  "hex": "#63cae9",
  "rgb": {
    "r": 99,
    "g": 202,
    "b": 233
  },
  "hsl": {
    "h": 193.881,
    "s": 75.281,
    "l": 65.098
  },
  "oklch": {
    "l": 0.7893,
    "c": 0.10484,
    "h": 220.3
  },
  "luminance": 0.50777
}

Semantic roles & 50–950 ramp

primary

#63CAE9

secondary

#B75639

accent

#3D0ED7

background

#FCFEFF

surface

#F5FBFE

border

#CFD4D6

text

#0F1416

muted

#808385

Preview Lab

Preview with #63CAE9

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

Preview Lab → · Contrast checker → · Palette generator →