#999EF3#999EF3

#999EF3 is a light, vivid blue. Relative luminance 0.377; OKLCH L 72.9% C 0.123 H 280.3°. Best body text is #000000 at 8.54:1 contrast (WCAG AA passes).

Color values

HEX#999EF3
RGBrgb(153, 158, 243)
HSLhsl(237, 79%, 78%)
HSVhsv(237, 37%, 95%)
CMYKcmyk(37%, 35%, 0%, 4.7%)
CIE-LABlab(67.80, 18.24, -43.13)
CIE-LCHlch(67.80, 46.83, 292.93°)
OKLaboklab(72.93% 0.022 -0.1208)
OKLCHoklch(72.93% 0.123 280.3)
XYZxyz(41.5368, 37.6955, 89.8641)
Luminance0.3770 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#999EF3 #F3EE99
analogous
#99CBF3 #999EF3 #C199F3
triadic
#999EF3 #F3999E #9EF399
tetradic
#999EF3 #F399CB #F3EE99 #99F3C1
square
#999EF3 #F399CB #F3EE99 #99F3C1
split-complementary
#999EF3 #F3C199 #CBF399
monochromatic
#2B36E6 #626AED #999EF3 #D0D2F9 #E4E5FC

Accessibility & contrast

On white

2.46
#999EF3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.54
#999EF3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #999EF3
8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##999EF3#FFFFFF#000000##000000
##999EF31.002.468.548.54
#FFFFFF2.461.0021.0021.00
#0000008.5421.001.001.00
##0000008.5421.001.001.00

Color blindness preview

Protanopia (red-blind)
#82A9F6
Deuteranopia (green-blind)
#7EA2F1
Tritanopia (blue-blind)
#7FAEBD
Achromatopsia (no color)
#A5A5A5

Design tokens & code

CSS
--color: #999ef3;
/* rgb */ color: rgb(153, 158, 243);
/* oklch */ color: oklch(72.9% 0.123 280.3);
Tailwind
colors: {
  custom: {
    50: '#babaf7',
    500: '#999ef3',
    950: '#000000',
  },
}
SCSS
$custom: #999ef3;
$custom-light: #babaf7;
$custom-dark: #000000;
JSON
{
  "hex": "#999ef3",
  "rgb": {
    "r": 153,
    "g": 158,
    "b": 243
  },
  "hsl": {
    "h": 236.667,
    "s": 78.947,
    "l": 77.647
  },
  "oklch": {
    "l": 0.72926,
    "c": 0.12275,
    "h": 280.3
  },
  "luminance": 0.37697
}

Semantic roles & 50–950 ramp

primary
#999EF3
secondary
#F4F2D7
accent
#D00ADB
background
#FBFBFF
surface
#F6F6FF
border
#D0D0D7
text
#121117
muted
#818085

Preview Lab

Preview with #999EF3

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

Preview Lab → · Contrast checker → · Palette generator →

#999EF3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva