#63AFF0#63AFF0

#63AFF0 is a light, vivid cyan. Relative luminance 0.396; OKLCH L 73.2% C 0.121 H 246.3°. Best body text is #000000 at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#63AFF0
RGB	rgb(99, 175, 240)
HSL	hsl(208, 82%, 66%)
HSV	hsv(208, 59%, 94%)
CMYK	cmyk(58.8%, 27.1%, 0%, 5.9%)
CIE-LAB	lab(69.18, -4.75, -39.54)
CIE-LCH	lch(69.18, 39.82, 263.15°)
OKLab	oklab(73.17% -0.0489 -0.1112)
OKLCH	oklch(73.17% 0.121 246.3)
XYZ	xyz(36.1980, 39.6005, 88.1573)
Luminance	0.3960 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AFF0 #F0A463

analogous

#63F0EB #63AFF0 #6369F0

triadic

#63AFF0 #F063AF #AFF063

tetradic

#63AFF0 #EB63F0 #F0A463 #69F063

square

#63AFF0 #EB63F0 #F0A463 #69F063

split-complementary

#63AFF0 #F06369 #F0EB63

monochromatic

#1373C6 #2B92EB #63AFF0 #9BCCF5 #D3E8FB

Accessibility & contrast

On white

2.35

#63AFF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.92

#63AFF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AFF0

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AFF0	#FFFFFF	#000000	##000000
##63AFF0	1.00	2.35	8.92	8.92
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.92	21.00	1.00	1.00
##000000	8.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93B1F3

Deuteranopia (green-blind)

#80A3EF

Tritanopia (blue-blind)

#00BEC6

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #63aff0;
/* rgb */ color: rgb(99, 175, 240);
/* oklch */ color: oklch(73.2% 0.121 246.3);

Tailwind

colors: {
  custom: {
    50: '#9ac6f5',
    500: '#63aff0',
    950: '#000000',
  },
}

SCSS

$custom: #63aff0;
$custom-light: #9ac6f5;
$custom-dark: #000000;

JSON

{
  "hex": "#63aff0",
  "rgb": {
    "r": 99,
    "g": 175,
    "b": 240
  },
  "hsl": {
    "h": 207.66,
    "s": 82.456,
    "l": 66.471
  },
  "oklch": {
    "l": 0.73174,
    "c": 0.12144,
    "h": 246.3
  },
  "luminance": 0.39604
}

Semantic roles & 50–950 ramp

primary

#63AFF0

secondary

#EED6C1

accent

#6A07DF

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63AFF0

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

Preview Lab → · Contrast checker → · Palette generator →