#999CA3#999CA3

#999CA3 is a light, near-neutral grey. Relative luminance 0.332; OKLCH L 69.2% C 0.011 H 267.3°. Best body text is #000000 at 7.64:1 contrast (WCAG AA passes).

Color values

HEX#999CA3
RGBrgb(153, 156, 163)
HSLhsl(222, 5%, 62%)
HSVhsv(222, 6%, 64%)
CMYKcmyk(6.1%, 4.3%, 0%, 36.1%)
CIE-LABlab(64.32, 0.31, -4.02)
CIE-LCHlch(64.32, 4.03, 274.45°)
OKLaboklab(69.25% -0.0005 -0.0107)
OKLCHoklch(69.25% 0.011 267.3)
XYZxyz(31.6349, 33.1934, 39.3836)
Luminance0.3319 (WCAG relative)
Temperatureneutral
Familygrey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#999CA3 #A3A099
analogous
#99A1A3 #999CA3 #9B99A3
triadic
#999CA3 #A3999C #9CA399
tetradic
#999CA3 #A399A1 #A3A099 #99A39B
square
#999CA3 #A399A1 #A3A099 #99A39B
split-complementary
#999CA3 #A39B99 #A1A399
monochromatic
#5C5F66 #797D86 #999CA3 #B9BBC0 #D9DADD

Accessibility & contrast

On white

2.75
#999CA3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.64
#999CA3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #999CA3
7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##999CA3#FFFFFF#000000##000000
##999CA31.002.757.647.64
#FFFFFF2.751.0021.0021.00
#0000007.6421.001.001.00
##0000007.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#9A9CA3
Deuteranopia (green-blind)
#999CA3
Tritanopia (blue-blind)
#979D9E
Achromatopsia (no color)
#9C9C9C

Design tokens & code

CSS
--color: #999ca3;
/* rgb */ color: rgb(153, 156, 163);
/* oklch */ color: oklch(69.2% 0.011 267.3);
Tailwind
colors: {
  custom: {
    50: '#b7b9be',
    500: '#999ca3',
    950: '#000000',
  },
}
SCSS
$custom: #999ca3;
$custom-light: #b7b9be;
$custom-dark: #000000;
JSON
{
  "hex": "#999ca3",
  "rgb": {
    "r": 153,
    "g": 156,
    "b": 163
  },
  "hsl": {
    "h": 222,
    "s": 5.155,
    "l": 61.961
  },
  "oklch": {
    "l": 0.69248,
    "c": 0.01076,
    "h": 267.3
  },
  "luminance": 0.33194
}

Semantic roles & 50–950 ramp

primary
#999CA3
secondary
#CECDCA
accent
#7E568F
background
#FBFBFB
surface
#F6F6F6
border
#D0D0D0
text
#111112
muted
#808081

Preview Lab

Preview with #999CA3

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

Preview Lab → · Contrast checker → · Palette generator →

#999CA3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva