#63A1F9#63A1F9

#63A1F9 is a light, vivid blue. Relative luminance 0.350; OKLCH L 70.6% C 0.145 H 257.3°. Best body text is #000000 at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#63A1F9
RGB	rgb(99, 161, 249)
HSL	hsl(215, 93%, 68%)
HSV	hsv(215, 60%, 98%)
CMYK	cmyk(60.2%, 35.3%, 0%, 2.4%)
CIE-LAB	lab(65.73, 6.03, -49.87)
CIE-LCH	lch(65.73, 50.23, 276.90°)
OKLab	oklab(70.6% -0.0318 -0.1413)
OKLCH	oklch(70.6% 0.145 257.3)
XYZ	xyz(34.9833, 34.9788, 94.5122)
Luminance	0.3498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A1F9 #F9BB63

analogous

#63ECF9 #63A1F9 #7063F9

triadic

#63A1F9 #F963A1 #A1F963

tetradic

#63A1F9 #F963EC #F9BB63 #63F970

square

#63A1F9 #F963EC #F9BB63 #63F970

split-complementary

#63A1F9 #F97063 #ECF963

monochromatic

#085FD9 #287DF7 #63A1F9 #9EC5FB #D9E8FE

Accessibility & contrast

On white

2.63

#63A1F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.00

#63A1F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A1F9

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A1F9	#FFFFFF	#000000	##000000
##63A1F9	1.00	2.63	8.00	8.00
#FFFFFF	2.63	1.00	21.00	21.00
#000000	8.00	21.00	1.00	1.00
##000000	8.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7CA7FD

Deuteranopia (green-blind)

#6799F7

Tritanopia (blue-blind)

#00B5C1

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #63a1f9;
/* rgb */ color: rgb(99, 161, 249);
/* oklch */ color: oklch(70.6% 0.145 257.3);

Tailwind

colors: {
  custom: {
    50: '#9bbcfb',
    500: '#63a1f9',
    950: '#000000',
  },
}

SCSS

$custom: #63a1f9;
$custom-light: #9bbcfb;
$custom-dark: #000000;

JSON

{
  "hex": "#63a1f9",
  "rgb": {
    "r": 99,
    "g": 161,
    "b": 249
  },
  "hsl": {
    "h": 215.2,
    "s": 92.593,
    "l": 68.235
  },
  "oklch": {
    "l": 0.70602,
    "c": 0.14484,
    "h": 257.3
  },
  "luminance": 0.34982
}

Semantic roles & 50–950 ramp

primary

#63A1F9

secondary

#F3E0C5

accent

#8700E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #63A1F9

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

Preview Lab → · Contrast checker → · Palette generator →