#63DEF9#63DEF9

#63DEF9 is a very light, moderate cyan. Relative luminance 0.617; OKLCH L 84.1% C 0.115 H 214.5°. Best body text is #000000 at 13.35:1 contrast (WCAG AA passes).

Color values

HEX	#63DEF9
RGB	rgb(99, 222, 249)
HSL	hsl(191, 93%, 68%)
HSV	hsv(191, 60%, 98%)
CMYK	cmyk(60.2%, 10.8%, 0%, 2.4%)
CIE-LAB	lab(82.77, -26.57, -23.44)
CIE-LCH	lch(82.77, 35.43, 221.43°)
OKLab	oklab(84.1% -0.0948 -0.0651)
OKLCH	oklch(84.1% 0.115 214.5)
XYZ	xyz(48.3588, 61.7298, 98.9707)
Luminance	0.6173 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63DEF9 #F97E63

analogous

#63F9C9 #63DEF9 #6393F9

triadic

#63DEF9 #F963DE #DEF963

tetradic

#63DEF9 #C963F9 #F97E63 #93F963

square

#63DEF9 #C963F9 #F97E63 #93F963

split-complementary

#63DEF9 #F96393 #F9C963

monochromatic

#08B4D9 #28D2F7 #63DEF9 #9EEAFB #D9F7FE

Accessibility & contrast

On white

1.57

#63DEF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.35

#63DEF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63DEF9

13.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63DEF9	#FFFFFF	#000000	##000000
##63DEF9	1.00	1.57	13.35	13.35
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.35	21.00	1.00	1.00
##000000	13.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAD7FB

Deuteranopia (green-blind)

#B4C7F9

Tritanopia (blue-blind)

#00E8E6

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #63def9;
/* rgb */ color: rgb(99, 222, 249);
/* oklch */ color: oklch(84.1% 0.115 214.5);

Tailwind

colors: {
  custom: {
    50: '#9de8fb',
    500: '#63def9',
    950: '#000000',
  },
}

SCSS

$custom: #63def9;
$custom-light: #9de8fb;
$custom-dark: #000000;

JSON

{
  "hex": "#63def9",
  "rgb": {
    "r": 99,
    "g": 222,
    "b": 249
  },
  "hsl": {
    "h": 190.8,
    "s": 92.593,
    "l": 68.235
  },
  "oklch": {
    "l": 0.84101,
    "c": 0.11496,
    "h": 214.5
  },
  "luminance": 0.61735
}

Semantic roles & 50–950 ramp

primary

#63DEF9

secondary

#D24B2E

accent

#2900E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#101617

muted

#808485

Preview Lab

Preview with #63DEF9

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

Preview Lab → · Contrast checker → · Palette generator →