#63AFF3#63AFF3

#63AFF3 is a light, vivid cyan. Relative luminance 0.398; OKLCH L 73.3% C 0.125 H 247.4°. Best body text is #000000 at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#63AFF3
RGB	rgb(99, 175, 243)
HSL	hsl(208, 86%, 67%)
HSV	hsv(208, 59%, 95%)
CMYK	cmyk(59.3%, 28%, 0%, 4.7%)
CIE-LAB	lab(69.31, -3.81, -40.97)
CIE-LCH	lch(69.31, 41.15, 264.69°)
OKLab	oklab(73.32% -0.048 -0.1153)
OKLCH	oklch(73.32% 0.125 247.4)
XYZ	xyz(36.6473, 39.7803, 90.5237)
Luminance	0.3978 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AFF3 #F3A763

analogous

#63F3EF #63AFF3 #6367F3

triadic

#63AFF3 #F363AF #AFF363

tetradic

#63AFF3 #EF63F3 #F3A763 #67F363

square

#63AFF3 #EF63F3 #F3A763 #67F363

split-complementary

#63AFF3 #F36367 #F3EF63

monochromatic

#1073CC #2A92EF #63AFF3 #9CCCF7 #D5E9FC

Accessibility & contrast

On white

2.34

#63AFF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.96

#63AFF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AFF3

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AFF3	#FFFFFF	#000000	##000000
##63AFF3	1.00	2.34	8.96	8.96
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.96	21.00	1.00	1.00
##000000	8.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92B1F6

Deuteranopia (green-blind)

#7FA3F2

Tritanopia (blue-blind)

#00BFC7

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #63aff3;
/* rgb */ color: rgb(99, 175, 243);
/* oklch */ color: oklch(73.3% 0.125 247.4);

Tailwind

colors: {
  custom: {
    50: '#9ac6f7',
    500: '#63aff3',
    950: '#000000',
  },
}

SCSS

$custom: #63aff3;
$custom-light: #9ac6f7;
$custom-dark: #000000;

JSON

{
  "hex": "#63aff3",
  "rgb": {
    "r": 99,
    "g": 175,
    "b": 243
  },
  "hsl": {
    "h": 208.333,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.73318,
    "c": 0.1249,
    "h": 247.4
  },
  "luminance": 0.39784
}

Semantic roles & 50–950 ramp

primary

#63AFF3

secondary

#F0D8C2

accent

#6D03E2

background

#FAFCFF

surface

#F3F8FE

border

#CDD1D6

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63AFF3

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

Preview Lab → · Contrast checker → · Palette generator →