#999DEE#999DEE

#999DEE is a light, moderate blue. Relative luminance 0.371; OKLCH L 72.5% C 0.117 H 280.9°. Best body text is #000000 at 8.41:1 contrast (WCAG AA passes).

Color values

HEX#999DEE
RGBrgb(153, 157, 238)
HSLhsl(237, 71%, 77%)
HSVhsv(237, 36%, 93%)
CMYKcmyk(35.7%, 34%, 0%, 6.7%)
CIE-LABlab(67.32, 17.49, -41.14)
CIE-LCHlch(67.32, 44.70, 293.03°)
OKLaboklab(72.49% 0.0221 -0.115)
OKLCHoklch(72.49% 0.117 280.9)
XYZxyz(40.6221, 37.0579, 85.8849)
Luminance0.3706 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#999DEE #EEEA99
analogous
#99C8EE #999DEE #C099EE
triadic
#999DEE #EE999D #9DEE99
tetradic
#999DEE #EE99C8 #EEEA99 #99EEC0
square
#999DEE #EE99C8 #EEEA99 #99EEC0
split-complementary
#999DEE #EEC099 #C8EE99
monochromatic
#3038DD #656BE5 #999DEE #CDCFF7 #E5E6FB

Accessibility & contrast

On white

2.50
#999DEE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.41
#999DEE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #999DEE
8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##999DEE#FFFFFF#000000##000000
##999DEE1.002.508.418.41
#FFFFFF2.501.0021.0021.00
#0000008.4121.001.001.00
##0000008.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#83A7F1
Deuteranopia (green-blind)
#7FA1EC
Tritanopia (blue-blind)
#81ACBB
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #999dee;
/* rgb */ color: rgb(153, 157, 238);
/* oklch */ color: oklch(72.5% 0.117 280.9);
Tailwind
colors: {
  custom: {
    50: '#b9b9f4',
    500: '#999dee',
    950: '#000000',
  },
}
SCSS
$custom: #999dee;
$custom-light: #b9b9f4;
$custom-dark: #000000;
JSON
{
  "hex": "#999dee",
  "rgb": {
    "r": 153,
    "g": 157,
    "b": 238
  },
  "hsl": {
    "h": 237.176,
    "s": 71.429,
    "l": 76.667
  },
  "oklch": {
    "l": 0.72487,
    "c": 0.11712,
    "h": 280.9
  },
  "luminance": 0.37059
}

Semantic roles & 50–950 ramp

primary
#999DEE
secondary
#F2F1D9
accent
#CA12D3
background
#FBFBFE
surface
#F6F6FD
border
#D0D0D5
text
#121117
muted
#818085

Preview Lab

Preview with #999DEE

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

Preview Lab → · Contrast checker → · Palette generator →

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