#63A0FB#63A0FB

#63A0FB is a light, vivid blue. Relative luminance 0.348; OKLCH L 70.5% C 0.148 H 258.2°. Best body text is #000000 at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#63A0FB
RGB	rgb(99, 160, 251)
HSL	hsl(216, 95%, 69%)
HSV	hsv(216, 61%, 98%)
CMYK	cmyk(60.6%, 36.3%, 0%, 1.6%)
CIE-LAB	lab(65.56, 7.26, -51.23)
CIE-LCH	lch(65.56, 51.74, 278.06°)
OKLab	oklab(70.5% -0.0303 -0.1453)
OKLCH	oklch(70.5% 0.148 258.2)
XYZ	xyz(35.1228, 34.7561, 96.1057)
Luminance	0.3476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A0FB #FBBE63

analogous

#63ECFB #63A0FB #7263FB

triadic

#63A0FB #FB63A0 #A0FB63

tetradic

#63A0FB #FB63EC #FBBE63 #63FB72

square

#63A0FB #FB63EC #FBBE63 #63FB72

split-complementary

#63A0FB #FB7263 #ECFB63

monochromatic

#065CDE #277CF9 #63A0FB #9FC4FD #DAE9FE

Accessibility & contrast

On white

2.64

#63A0FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.95

#63A0FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A0FB

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A0FB	#FFFFFF	#000000	##000000
##63A0FB	1.00	2.64	7.95	7.95
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.95	21.00	1.00	1.00
##000000	7.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#79A7FF

Deuteranopia (green-blind)

#6499F9

Tritanopia (blue-blind)

#00B5C2

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #63a0fb;
/* rgb */ color: rgb(99, 160, 251);
/* oklch */ color: oklch(70.5% 0.148 258.2);

Tailwind

colors: {
  custom: {
    50: '#9bbbfd',
    500: '#63a0fb',
    950: '#000000',
  },
}

SCSS

$custom: #63a0fb;
$custom-light: #9bbbfd;
$custom-dark: #000000;

JSON

{
  "hex": "#63a0fb",
  "rgb": {
    "r": 99,
    "g": 160,
    "b": 251
  },
  "hsl": {
    "h": 215.921,
    "s": 95,
    "l": 68.627
  },
  "oklch": {
    "l": 0.70499,
    "c": 0.14844,
    "h": 258.2
  },
  "luminance": 0.34759
}

Semantic roles & 50–950 ramp

primary

#63A0FB

secondary

#F4E1C6

accent

#8900E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #63A0FB

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

Preview Lab → · Contrast checker → · Palette generator →