#9B231B#9B231B

#9B231B is a mid, vivid red. Relative luminance 0.083; OKLCH L 45.4% C 0.157 H 28.8°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#9B231B
RGB	rgb(155, 35, 27)
HSL	hsl(4, 70%, 36%)
HSV	hsv(4, 83%, 61%)
CMYK	cmyk(0%, 77.4%, 82.6%, 39.2%)
CIE-LAB	lab(34.50, 48.36, 35.42)
CIE-LCH	lch(34.50, 59.95, 36.22°)
OKLab	oklab(45.4% 0.1379 0.0759)
OKLCH	oklch(45.4% 0.157 28.8)
XYZ	xyz(14.3182, 8.2520, 1.8756)
Luminance	0.0825 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#9B231B #1B939B

analogous

#9B1B53 #9B231B #9B631B

triadic

#9B231B #1B9B23 #231B9B

tetradic

#9B231B #539B1B #1B939B #631B9B

square

#9B231B #539B1B #1B939B #631B9B

split-complementary

#9B231B #1B9B63 #1B539B

monochromatic

#330B09 #671712 #9B231B #CF2F24 #E05950

Accessibility & contrast

On white

7.92

#9B231B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#9B231B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #9B231B

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##9B231B	#FFFFFF	#000000	##FFFFFF
##9B231B	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484019

Deuteranopia (green-blind)

#665B15

Tritanopia (blue-blind)

#AB0023

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #9b231b;
/* rgb */ color: rgb(155, 35, 27);
/* oklch */ color: oklch(45.4% 0.157 28.8);

Tailwind

colors: {
  custom: {
    50: '#c16859',
    500: '#9b231b',
    950: '#000000',
  },
}

SCSS

$custom: #9b231b;
$custom-light: #c16859;
$custom-dark: #000000;

JSON

{
  "hex": "#9b231b",
  "rgb": {
    "r": 155,
    "g": 35,
    "b": 27
  },
  "hsl": {
    "h": 3.75,
    "s": 70.33,
    "l": 35.686
  },
  "oklch": {
    "l": 0.45398,
    "c": 0.15736,
    "h": 28.8
  },
  "luminance": 0.0825
}

Semantic roles & 50–950 ramp

primary

#9B231B

secondary

#4FBCC3

accent

#E2ED3B

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#140703

muted

#837A78

Preview Lab

Preview with #9B231B

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

Preview Lab → · Contrast checker → · Palette generator →