#9C311B#9C311B

#9C311B is a mid, vivid red. Relative luminance 0.093; OKLCH L 47.0% C 0.146 H 33.4°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#9C311B
RGB	rgb(156, 49, 27)
HSL	hsl(10, 70%, 36%)
HSV	hsv(10, 83%, 61%)
CMYK	cmyk(0%, 68.6%, 82.7%, 38.8%)
CIE-LAB	lab(36.64, 43.35, 37.55)
CIE-LCH	lch(36.64, 57.35, 40.90°)
OKLab	oklab(47.03% 0.1221 0.0805)
OKLCH	oklch(47.03% 0.146 33.4)
XYZ	xyz(15.0082, 9.3459, 2.0504)
Luminance	0.0934 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#9C311B #1B869C

analogous

#9C1B45 #9C311B #9C711B

triadic

#9C311B #1B9C31 #311B9C

tetradic

#9C311B #459C1B #1B869C #711B9C

square

#9C311B #459C1B #1B869C #711B9C

split-complementary

#9C311B #1B9C71 #1B459C

monochromatic

#341009 #682112 #9C311B #D04124 #E16951

Accessibility & contrast

On white

7.32

#9C311B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#9C311B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #9C311B

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##9C311B	#FFFFFF	#000000	##FFFFFF
##9C311B	1.00	7.32	2.87	7.32
#FFFFFF	7.32	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504717

Deuteranopia (green-blind)

#6B5F16

Tritanopia (blue-blind)

#AC0D2D

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #9c311b;
/* rgb */ color: rgb(156, 49, 27);
/* oklch */ color: oklch(47.0% 0.146 33.4);

Tailwind

colors: {
  custom: {
    50: '#c26f59',
    500: '#9c311b',
    950: '#000000',
  },
}

SCSS

$custom: #9c311b;
$custom-light: #c26f59;
$custom-dark: #000000;

JSON

{
  "hex": "#9c311b",
  "rgb": {
    "r": 156,
    "g": 49,
    "b": 27
  },
  "hsl": {
    "h": 10.233,
    "s": 70.492,
    "l": 35.882
  },
  "oklch": {
    "l": 0.47033,
    "c": 0.14625,
    "h": 33.4
  },
  "luminance": 0.09344
}

Semantic roles & 50–950 ramp

primary

#9C311B

secondary

#4FB0C3

accent

#CFED3B

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#140804

muted

#837B79

Preview Lab

Preview with #9C311B

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

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