#63B0F6#63B0F6

#63B0F6 is a light, vivid cyan. Relative luminance 0.404; OKLCH L 73.7% C 0.128 H 247.8°. Best body text is #000000 at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#63B0F6
RGB	rgb(99, 176, 246)
HSL	hsl(209, 89%, 68%)
HSV	hsv(209, 60%, 96%)
CMYK	cmyk(59.8%, 28.5%, 0%, 3.5%)
CIE-LAB	lab(69.72, -3.42, -41.96)
CIE-LCH	lch(69.72, 42.10, 265.34°)
OKLab	oklab(73.68% -0.0482 -0.1182)
OKLCH	oklch(73.68% 0.128 247.8)
XYZ	xyz(37.2994, 40.3537, 92.9943)
Luminance	0.4036 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B0F6 #F6A963

analogous

#63F6F2 #63B0F6 #6367F6

triadic

#63B0F6 #F663B0 #B0F663

tetradic

#63B0F6 #F263F6 #F6A963 #67F663

square

#63B0F6 #F263F6 #F6A963 #67F663

split-complementary

#63B0F6 #F66367 #F6F263

monochromatic

#0C74D2 #2993F3 #63B0F6 #9DCDF9 #D7EBFD

Accessibility & contrast

On white

2.31

#63B0F6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.07

#63B0F6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B0F6

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B0F6	#FFFFFF	#000000	##000000
##63B0F6	1.00	2.31	9.07	9.07
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.07	21.00	1.00	1.00
##000000	9.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92B2F9

Deuteranopia (green-blind)

#7EA4F5

Tritanopia (blue-blind)

#00C1C8

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #63b0f6;
/* rgb */ color: rgb(99, 176, 246);
/* oklch */ color: oklch(73.7% 0.128 247.8);

Tailwind

colors: {
  custom: {
    50: '#9bc7f9',
    500: '#63b0f6',
    950: '#000000',
  },
}

SCSS

$custom: #63b0f6;
$custom-light: #9bc7f9;
$custom-dark: #000000;

JSON

{
  "hex": "#63b0f6",
  "rgb": {
    "r": 99,
    "g": 176,
    "b": 246
  },
  "hsl": {
    "h": 208.571,
    "s": 89.091,
    "l": 67.647
  },
  "oklch": {
    "l": 0.73682,
    "c": 0.12761,
    "h": 247.8
  },
  "luminance": 0.40357
}

Semantic roles & 50–950 ramp

primary

#63B0F6

secondary

#F1D9C4

accent

#6D00E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B0F6

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

Preview Lab → · Contrast checker → · Palette generator →