#9B311B#9B311B

#9B311B is a mid, vivid red. Relative luminance 0.092; OKLCH L 46.9% C 0.145 H 33.5°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#9B311B
RGB	rgb(155, 49, 27)
HSL	hsl(10, 70%, 36%)
HSV	hsv(10, 83%, 61%)
CMYK	cmyk(0%, 68.4%, 82.6%, 39.2%)
CIE-LAB	lab(36.45, 42.99, 37.31)
CIE-LCH	lch(36.45, 56.92, 40.95°)
OKLab	oklab(46.86% 0.1211 0.08)
OKLCH	oklch(46.86% 0.145 33.5)
XYZ	xyz(14.8154, 9.2465, 2.0413)
Luminance	0.0924 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#9B311B #1B859B

analogous

#9B1B45 #9B311B #9B711B

triadic

#9B311B #1B9B31 #311B9B

tetradic

#9B311B #459B1B #1B859B #711B9B

square

#9B311B #459B1B #1B859B #711B9B

split-complementary

#9B311B #1B9B71 #1B459B

monochromatic

#331009 #672112 #9B311B #CF4124 #E06950

Accessibility & contrast

On white

7.37

#9B311B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#9B311B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #9B311B

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##9B311B	#FFFFFF	#000000	##FFFFFF
##9B311B	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504717

Deuteranopia (green-blind)

#6A5E16

Tritanopia (blue-blind)

#AB0E2D

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #9b311b;
/* rgb */ color: rgb(155, 49, 27);
/* oklch */ color: oklch(46.9% 0.145 33.5);

Tailwind

colors: {
  custom: {
    50: '#c16f59',
    500: '#9b311b',
    950: '#000000',
  },
}

SCSS

$custom: #9b311b;
$custom-light: #c16f59;
$custom-dark: #000000;

JSON

{
  "hex": "#9b311b",
  "rgb": {
    "r": 155,
    "g": 49,
    "b": 27
  },
  "hsl": {
    "h": 10.313,
    "s": 70.33,
    "l": 35.686
  },
  "oklch": {
    "l": 0.46858,
    "c": 0.14518,
    "h": 33.5
  },
  "luminance": 0.09244
}

Semantic roles & 50–950 ramp

primary

#9B311B

secondary

#4FAFC3

accent

#CEED3B

background

#FCF6F5

surface

#F9ECE9

border

#D2C7C5

text

#140804

muted

#827B79

Preview Lab

Preview with #9B311B

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

Preview Lab → · Contrast checker → · Palette generator →