#63B6F6#63B6F6

#63B6F6 is a light, vivid cyan. Relative luminance 0.428; OKLCH L 75.0% C 0.123 H 243.8°. Best body text is #000000 at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#63B6F6
RGB	rgb(99, 182, 246)
HSL	hsl(206, 89%, 68%)
HSV	hsv(206, 60%, 96%)
CMYK	cmyk(59.8%, 26%, 0%, 3.5%)
CIE-LAB	lab(71.39, -6.73, -39.35)
CIE-LCH	lch(71.39, 39.93, 260.30°)
OKLab	oklab(75% -0.0544 -0.1106)
OKLCH	oklch(75% 0.123 243.8)
XYZ	xyz(38.5019, 42.7587, 93.3951)
Luminance	0.4276 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B6F6 #F6A363

analogous

#63F6EC #63B6F6 #636DF6

triadic

#63B6F6 #F663B6 #B6F663

tetradic

#63B6F6 #EC63F6 #F6A363 #6DF663

square

#63B6F6 #EC63F6 #F6A363 #6DF663

split-complementary

#63B6F6 #F6636D #F6EC63

monochromatic

#0C7CD2 #299BF3 #63B6F6 #9DD1F9 #D7ECFD

Accessibility & contrast

On white

2.20

#63B6F6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.55

#63B6F6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B6F6

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B6F6	#FFFFFF	#000000	##000000
##63B6F6	1.00	2.20	9.55	9.55
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.55	21.00	1.00	1.00
##000000	9.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AB7F9

Deuteranopia (green-blind)

#86A8F5

Tritanopia (blue-blind)

#00C6CC

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #63b6f6;
/* rgb */ color: rgb(99, 182, 246);
/* oklch */ color: oklch(75.0% 0.123 243.8);

Tailwind

colors: {
  custom: {
    50: '#9bcbf9',
    500: '#63b6f6',
    950: '#000000',
  },
}

SCSS

$custom: #63b6f6;
$custom-light: #9bcbf9;
$custom-dark: #000000;

JSON

{
  "hex": "#63b6f6",
  "rgb": {
    "r": 99,
    "g": 182,
    "b": 246
  },
  "hsl": {
    "h": 206.122,
    "s": 89.091,
    "l": 67.647
  },
  "oklch": {
    "l": 0.74999,
    "c": 0.12326,
    "h": 243.8
  },
  "luminance": 0.42762
}

Semantic roles & 50–950 ramp

primary

#63B6F6

secondary

#F1D7C4

accent

#6400E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B6F6

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

Preview Lab → · Contrast checker → · Palette generator →