#63A0F9#63A0F9

#63A0F9 is a light, vivid blue. Relative luminance 0.346; OKLCH L 70.4% C 0.146 H 257.8°. Best body text is #000000 at 7.93:1 contrast (WCAG AA passes).

Color values

HEX#63A0F9
RGBrgb(99, 160, 249)
HSLhsl(216, 93%, 68%)
HSVhsv(216, 60%, 98%)
CMYKcmyk(60.2%, 35.7%, 0%, 2.4%)
CIE-LABlab(65.46, 6.61, -50.30)
CIE-LCHlch(65.46, 50.73, 277.49°)
OKLaboklab(70.39% -0.0308 -0.1426)
OKLCHoklch(70.39% 0.146 257.8)
XYZxyz(34.8092, 34.6307, 94.4541)
Luminance0.3463 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A0F9 #F9BC63
analogous
#63EBF9 #63A0F9 #7163F9
triadic
#63A0F9 #F963A0 #A0F963
tetradic
#63A0F9 #F963EB #F9BC63 #63F971
square
#63A0F9 #F963EB #F9BC63 #63F971
split-complementary
#63A0F9 #F97163 #EBF963
monochromatic
#085DD9 #287CF7 #63A0F9 #9EC4FB #D9E8FE

Accessibility & contrast

On white

2.65
#63A0F9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.93
#63A0F9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A0F9
7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A0F9#FFFFFF#000000##000000
##63A0F91.002.657.937.93
#FFFFFF2.651.0021.0021.00
#0000007.9321.001.001.00
##0000007.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#7AA7FD
Deuteranopia (green-blind)
#6699F7
Tritanopia (blue-blind)
#00B4C1
Achromatopsia (no color)
#9F9F9F

Design tokens & code

CSS
--color: #63a0f9;
/* rgb */ color: rgb(99, 160, 249);
/* oklch */ color: oklch(70.4% 0.146 257.8);
Tailwind
colors: {
  custom: {
    50: '#9bbbfb',
    500: '#63a0f9',
    950: '#000000',
  },
}
SCSS
$custom: #63a0f9;
$custom-light: #9bbbfb;
$custom-dark: #000000;
JSON
{
  "hex": "#63a0f9",
  "rgb": {
    "r": 99,
    "g": 160,
    "b": 249
  },
  "hsl": {
    "h": 215.6,
    "s": 92.593,
    "l": 68.235
  },
  "oklch": {
    "l": 0.70391,
    "c": 0.14585,
    "h": 257.8
  },
  "luminance": 0.34634
}

Semantic roles & 50–950 ramp

primary
#63A0F9
secondary
#F3E0C5
accent
#8800E6
background
#FAFBFF
surface
#F4F6FF
border
#CED0D7
text
#0F1117
muted
#7F8085

Preview Lab

Preview with #63A0F9

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

Preview Lab → · Contrast checker → · Palette generator →

#63A0F9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva