#63BCF6#63BCF6

#63BCF6 is a light, moderate cyan. Relative luminance 0.453; OKLCH L 76.3% C 0.120 H 239.5°. Best body text is #000000 at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#63BCF6
RGB	rgb(99, 188, 246)
HSL	hsl(204, 89%, 68%)
HSV	hsv(204, 60%, 96%)
CMYK	cmyk(59.8%, 23.6%, 0%, 3.5%)
CIE-LAB	lab(73.07, -9.98, -36.74)
CIE-LCH	lch(73.07, 38.08, 254.80°)
OKLab	oklab(76.33% -0.0607 -0.103)
OKLCH	oklch(76.33% 0.12 239.5)
XYZ	xyz(39.7571, 45.2691, 93.8135)
Luminance	0.4527 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BCF6 #F69D63

analogous

#63F6E6 #63BCF6 #6373F6

triadic

#63BCF6 #F663BC #BCF663

tetradic

#63BCF6 #E663F6 #F69D63 #73F663

square

#63BCF6 #E663F6 #F69D63 #73F663

split-complementary

#63BCF6 #F66373 #F6E663

monochromatic

#0C84D2 #29A3F3 #63BCF6 #9DD5F9 #D7EEFD

Accessibility & contrast

On white

2.09

#63BCF6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.05

#63BCF6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BCF6

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BCF6	#FFFFFF	#000000	##000000
##63BCF6	1.00	2.09	10.05	10.05
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.05	21.00	1.00	1.00
##000000	10.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2BCF9

Deuteranopia (green-blind)

#8EADF5

Tritanopia (blue-blind)

#00CBD0

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #63bcf6;
/* rgb */ color: rgb(99, 188, 246);
/* oklch */ color: oklch(76.3% 0.120 239.5);

Tailwind

colors: {
  custom: {
    50: '#9bd0f9',
    500: '#63bcf6',
    950: '#000000',
  },
}

SCSS

$custom: #63bcf6;
$custom-light: #9bd0f9;
$custom-dark: #000000;

JSON

{
  "hex": "#63bcf6",
  "rgb": {
    "r": 99,
    "g": 188,
    "b": 246
  },
  "hsl": {
    "h": 203.673,
    "s": 89.091,
    "l": 67.647
  },
  "oklch": {
    "l": 0.76326,
    "c": 0.11957,
    "h": 239.5
  },
  "luminance": 0.45273
}

Semantic roles & 50–950 ramp

primary

#63BCF6

secondary

#F1D6C4

accent

#5B00E6

background

#FAFCFF

surface

#F4F9FF

border

#CED2D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63BCF6

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

Preview Lab → · Contrast checker → · Palette generator →