#63A0FD#63A0FD

#63A0FD is a light, vivid blue. Relative luminance 0.349; OKLCH L 70.6% C 0.151 H 258.6°. Best body text is #000000 at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#63A0FD
RGB	rgb(99, 160, 253)
HSL	hsl(216, 97%, 69%)
HSV	hsv(216, 61%, 99%)
CMYK	cmyk(60.9%, 36.8%, 0%, 0.8%)
CIE-LAB	lab(65.66, 7.91, -52.16)
CIE-LCH	lch(65.66, 52.76, 278.62°)
OKLab	oklab(70.61% -0.0299 -0.148)
OKLCH	oklch(70.61% 0.151 258.6)
XYZ	xyz(35.4397, 34.8829, 97.7749)
Luminance	0.3489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A0FD #FDC063

analogous

#63EDFD #63A0FD #7363FD

triadic

#63A0FD #FD63A0 #A0FD63

tetradic

#63A0FD #FD63ED #FDC063 #63FD73

square

#63A0FD #FD63ED #FDC063 #63FD73

split-complementary

#63A0FD #FD7363 #EDFD63

monochromatic

#035CE3 #277BFC #63A0FD #9FC5FE #DCEAFF

Accessibility & contrast

On white

2.63

#63A0FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.98

#63A0FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A0FD

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A0FD	#FFFFFF	#000000	##000000
##63A0FD	1.00	2.63	7.98	7.98
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.98	21.00	1.00	1.00
##000000	7.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#78A7FF

Deuteranopia (green-blind)

#6399FB

Tritanopia (blue-blind)

#00B5C2

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #63a0fd;
/* rgb */ color: rgb(99, 160, 253);
/* oklch */ color: oklch(70.6% 0.151 258.6);

Tailwind

colors: {
  custom: {
    50: '#9cbbfe',
    500: '#63a0fd',
    950: '#000000',
  },
}

SCSS

$custom: #63a0fd;
$custom-light: #9cbbfe;
$custom-dark: #000000;

JSON

{
  "hex": "#63a0fd",
  "rgb": {
    "r": 99,
    "g": 160,
    "b": 253
  },
  "hsl": {
    "h": 216.234,
    "s": 97.468,
    "l": 69.02
  },
  "oklch": {
    "l": 0.70609,
    "c": 0.15102,
    "h": 258.6
  },
  "luminance": 0.34886
}

Semantic roles & 50–950 ramp

primary

#63A0FD

secondary

#F4E3C7

accent

#8B00E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1118

muted

#7F8086

Preview Lab

Preview with #63A0FD

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

Preview Lab → · Contrast checker → · Palette generator →