#63A1F8#63A1F8

#63A1F8 is a light, vivid blue. Relative luminance 0.349; OKLCH L 70.5% C 0.144 H 257.1°. Best body text is #000000 at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#63A1F8
RGB	rgb(99, 161, 248)
HSL	hsl(215, 91%, 68%)
HSV	hsv(215, 60%, 97%)
CMYK	cmyk(60.1%, 35.1%, 0%, 2.7%)
CIE-LAB	lab(65.68, 5.71, -49.40)
CIE-LCH	lch(65.68, 49.72, 276.59°)
OKLab	oklab(70.55% -0.0321 -0.1399)
OKLCH	oklch(70.55% 0.144 257.1)
XYZ	xyz(34.8277, 34.9166, 93.6929)
Luminance	0.3492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A1F8 #F8BA63

analogous

#63EBF8 #63A1F8 #7063F8

triadic

#63A1F8 #F863A1 #A1F863

tetradic

#63A1F8 #F863EB #F8BA63 #63F870

square

#63A1F8 #F863EB #F8BA63 #63F870

split-complementary

#63A1F8 #F87063 #EBF863

monochromatic

#0A5FD7 #287EF5 #63A1F8 #9EC4FB #D8E8FD

Accessibility & contrast

On white

2.63

#63A1F8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.98

#63A1F8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A1F8

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A1F8	#FFFFFF	#000000	##000000
##63A1F8	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)

#7CA7FC

Deuteranopia (green-blind)

#6899F6

Tritanopia (blue-blind)

#00B5C1

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #63a1f8;
/* rgb */ color: rgb(99, 161, 248);
/* oklch */ color: oklch(70.5% 0.144 257.1);

Tailwind

colors: {
  custom: {
    50: '#9bbcfb',
    500: '#63a1f8',
    950: '#000000',
  },
}

SCSS

$custom: #63a1f8;
$custom-light: #9bbcfb;
$custom-dark: #000000;

JSON

{
  "hex": "#63a1f8",
  "rgb": {
    "r": 99,
    "g": 161,
    "b": 248
  },
  "hsl": {
    "h": 215.034,
    "s": 91.411,
    "l": 68.039
  },
  "oklch": {
    "l": 0.70549,
    "c": 0.14356,
    "h": 257.1
  },
  "luminance": 0.3492
}

Semantic roles & 50–950 ramp

primary

#63A1F8

secondary

#F2DFC5

accent

#8600E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #63A1F8

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

Preview Lab → · Contrast checker → · Palette generator →