#63B7F6#63B7F6

#63B7F6 is a light, vivid cyan. Relative luminance 0.432; OKLCH L 75.2% C 0.123 H 243.1°. Best body text is #000000 at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#63B7F6
RGB	rgb(99, 183, 246)
HSL	hsl(206, 89%, 68%)
HSV	hsv(206, 60%, 96%)
CMYK	cmyk(59.8%, 25.6%, 0%, 3.5%)
CIE-LAB	lab(71.67, -7.27, -38.92)
CIE-LCH	lch(71.67, 39.59, 259.41°)
OKLab	oklab(75.22% -0.0555 -0.1093)
OKLCH	oklch(75.22% 0.123 243.1)
XYZ	xyz(38.7074, 43.1698, 93.4637)
Luminance	0.4317 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B7F6 #F6A263

analogous

#63F6EB #63B7F6 #636EF6

triadic

#63B7F6 #F663B7 #B7F663

tetradic

#63B7F6 #EB63F6 #F6A263 #6EF663

square

#63B7F6 #EB63F6 #F6A263 #6EF663

split-complementary

#63B7F6 #F6636E #F6EB63

monochromatic

#0C7DD2 #299CF3 #63B7F6 #9DD2F9 #D7ECFD

Accessibility & contrast

On white

2.18

#63B7F6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.63

#63B7F6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B7F6

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B7F6	#FFFFFF	#000000	##000000
##63B7F6	1.00	2.18	9.63	9.63
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.63	21.00	1.00	1.00
##000000	9.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BB8F9

Deuteranopia (green-blind)

#87A9F5

Tritanopia (blue-blind)

#00C6CD

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #63b7f6;
/* rgb */ color: rgb(99, 183, 246);
/* oklch */ color: oklch(75.2% 0.123 243.1);

Tailwind

colors: {
  custom: {
    50: '#9bccf9',
    500: '#63b7f6',
    950: '#000000',
  },
}

SCSS

$custom: #63b7f6;
$custom-light: #9bccf9;
$custom-dark: #000000;

JSON

{
  "hex": "#63b7f6",
  "rgb": {
    "r": 99,
    "g": 183,
    "b": 246
  },
  "hsl": {
    "h": 205.714,
    "s": 89.091,
    "l": 67.647
  },
  "oklch": {
    "l": 0.75219,
    "c": 0.1226,
    "h": 243.1
  },
  "luminance": 0.43173
}

Semantic roles & 50–950 ramp

primary

#63B7F6

secondary

#F1D7C4

accent

#6200E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B7F6

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

Preview Lab → · Contrast checker → · Palette generator →