#9B311D#9B311D

#9B311D is a mid, vivid red. Relative luminance 0.093; OKLCH L 46.9% C 0.145 H 32.8°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#9B311D
RGB	rgb(155, 49, 29)
HSL	hsl(10, 68%, 36%)
HSV	hsv(10, 81%, 61%)
CMYK	cmyk(0%, 68.4%, 81.3%, 39.2%)
CIE-LAB	lab(36.47, 43.06, 36.27)
CIE-LCH	lch(36.47, 56.30, 40.11°)
OKLab	oklab(46.88% 0.1217 0.0784)
OKLCH	oklch(46.88% 0.145 32.8)
XYZ	xyz(14.8394, 9.2561, 2.1674)
Luminance	0.0925 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#9B311D #1D879B

analogous

#9B1D48 #9B311D #9B701D

triadic

#9B311D #1D9B31 #311D9B

tetradic

#9B311D #489B1D #1D879B #701D9B

square

#9B311D #489B1D #1D879B #701D9B

split-complementary

#9B311D #1D9B70 #1D489B

monochromatic

#34100A #672113 #9B311D #CF4127 #DF6A53

Accessibility & contrast

On white

7.37

#9B311D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#9B311D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #9B311D

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##9B311D	#FFFFFF	#000000	##FFFFFF
##9B311D	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)

#50471A

Deuteranopia (green-blind)

#6A5E18

Tritanopia (blue-blind)

#AB0F2D

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #9b311d;
/* rgb */ color: rgb(155, 49, 29);
/* oklch */ color: oklch(46.9% 0.145 32.8);

Tailwind

colors: {
  custom: {
    50: '#c16f5b',
    500: '#9b311d',
    950: '#000000',
  },
}

SCSS

$custom: #9b311d;
$custom-light: #c16f5b;
$custom-dark: #000000;

JSON

{
  "hex": "#9b311d",
  "rgb": {
    "r": 155,
    "g": 49,
    "b": 29
  },
  "hsl": {
    "h": 9.524,
    "s": 68.478,
    "l": 36.078
  },
  "oklch": {
    "l": 0.46877,
    "c": 0.1448,
    "h": 32.8
  },
  "luminance": 0.09254
}

Semantic roles & 50–950 ramp

primary

#9B311D

secondary

#52B0C2

accent

#D0EB3C

background

#FCF6F5

surface

#F9ECE9

border

#D2C7C5

text

#140804

muted

#827B79

Preview Lab

Preview with #9B311D

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

Preview Lab → · Contrast checker → · Palette generator →