#63AFF1#63AFF1

#63AFF1 is a light, vivid cyan. Relative luminance 0.397; OKLCH L 73.2% C 0.123 H 246.6°. Best body text is #000000 at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#63AFF1
RGB	rgb(99, 175, 241)
HSL	hsl(208, 84%, 67%)
HSV	hsv(208, 59%, 95%)
CMYK	cmyk(58.9%, 27.4%, 0%, 5.5%)
CIE-LAB	lab(69.23, -4.43, -40.02)
CIE-LCH	lch(69.23, 40.26, 263.68°)
OKLab	oklab(73.22% -0.0486 -0.1125)
OKLCH	oklch(73.22% 0.123 246.6)
XYZ	xyz(36.3469, 39.6601, 88.9418)
Luminance	0.3966 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AFF1 #F1A563

analogous

#63F1EC #63AFF1 #6368F1

triadic

#63AFF1 #F163AF #AFF163

tetradic

#63AFF1 #EC63F1 #F1A563 #68F163

square

#63AFF1 #EC63F1 #F1A563 #68F163

split-complementary

#63AFF1 #F16368 #F1EC63

monochromatic

#1273C8 #2B92EC #63AFF1 #9BCCF6 #D3E9FB

Accessibility & contrast

On white

2.35

#63AFF1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.93

#63AFF1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AFF1

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AFF1	#FFFFFF	#000000	##000000
##63AFF1	1.00	2.35	8.93	8.93
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.93	21.00	1.00	1.00
##000000	8.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93B1F4

Deuteranopia (green-blind)

#80A3F0

Tritanopia (blue-blind)

#00BFC6

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #63aff1;
/* rgb */ color: rgb(99, 175, 241);
/* oklch */ color: oklch(73.2% 0.123 246.6);

Tailwind

colors: {
  custom: {
    50: '#9ac6f6',
    500: '#63aff1',
    950: '#000000',
  },
}

SCSS

$custom: #63aff1;
$custom-light: #9ac6f6;
$custom-dark: #000000;

JSON

{
  "hex": "#63aff1",
  "rgb": {
    "r": 99,
    "g": 175,
    "b": 241
  },
  "hsl": {
    "h": 207.887,
    "s": 83.529,
    "l": 66.667
  },
  "oklch": {
    "l": 0.73222,
    "c": 0.12259,
    "h": 246.6
  },
  "luminance": 0.39663
}

Semantic roles & 50–950 ramp

primary

#63AFF1

secondary

#EFD6C1

accent

#6B06E0

background

#FAFCFF

surface

#F3F8FE

border

#CDD1D6

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63AFF1

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

Preview Lab → · Contrast checker → · Palette generator →