#99311B#99311B

#99311B is a mid, vivid red. Relative luminance 0.090; OKLCH L 46.5% C 0.143 H 33.6°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX#99311B
RGBrgb(153, 49, 27)
HSLhsl(10, 70%, 35%)
HSVhsv(10, 82%, 60%)
CMYKcmyk(0%, 68%, 82.4%, 40%)
CIE-LABlab(36.08, 42.28, 36.82)
CIE-LCHlch(36.08, 56.06, 41.05°)
OKLaboklab(46.51% 0.1191 0.0792)
OKLCHoklch(46.51% 0.143 33.6)
XYZxyz(14.4347, 9.0502, 2.0235)
Luminance0.0905 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#99311B #1B8399
analogous
#991B44 #99311B #99701B
triadic
#99311B #1B9931 #311B99
tetradic
#99311B #44991B #1B8399 #701B99
square
#99311B #44991B #1B8399 #701B99
split-complementary
#99311B #1B9970 #1B4499
monochromatic
#311009 #652012 #99311B #CD4224 #E0684F

Accessibility & contrast

On white

7.47
#99311B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.81
#99311B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #99311B
7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##99311B#FFFFFF#000000##FFFFFF
##99311B1.007.472.817.47
#FFFFFF7.471.0021.001.00
#0000002.8121.001.0021.00
##FFFFFF7.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4F4617
Deuteranopia (green-blind)
#695D16
Tritanopia (blue-blind)
#A9102D
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #99311b;
/* rgb */ color: rgb(153, 49, 27);
/* oklch */ color: oklch(46.5% 0.143 33.6);
Tailwind
colors: {
  custom: {
    50: '#bf6f59',
    500: '#99311b',
    950: '#000000',
  },
}
SCSS
$custom: #99311b;
$custom-light: #bf6f59;
$custom-dark: #000000;
JSON
{
  "hex": "#99311b",
  "rgb": {
    "r": 153,
    "g": 49,
    "b": 27
  },
  "hsl": {
    "h": 10.476,
    "s": 70,
    "l": 35.294
  },
  "oklch": {
    "l": 0.46508,
    "c": 0.14302,
    "h": 33.6
  },
  "luminance": 0.09048
}

Semantic roles & 50–950 ramp

primary
#99311B
secondary
#4EAEC2
accent
#CEED3B
background
#FCF6F5
surface
#F9ECE9
border
#D2C7C5
text
#140804
muted
#827B79

Preview Lab

Preview with #99311B

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

Preview Lab → · Contrast checker → · Palette generator →

#99311B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva