#37070C#37070C

#37070C is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.4% C 0.075 H 20.0°. Best body text is #FFFFFF at 17.53:1 contrast (WCAG AA passes).

Color values

HEX	#37070C
RGB	rgb(55, 7, 12)
HSL	hsl(354, 77%, 12%)
HSV	hsv(354, 87%, 22%)
CMYK	cmyk(0%, 87.3%, 78.2%, 78.4%)
CIE-LAB	lab(8.92, 23.82, 8.96)
CIE-LCH	lch(8.92, 25.45, 20.60°)
OKLab	oklab(22.41% 0.0704 0.0257)
OKLCH	oklch(22.41% 0.075 20)
XYZ	xyz(1.7181, 0.9910, 0.4486)
Luminance	0.0099 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37070C #073732

analogous

#370724 #37070C #371A07

triadic

#37070C #0C3707 #070C37

tetradic

#37070C #243707 #073732 #1A0737

square

#37070C #243707 #073732 #1A0737

split-complementary

#37070C #07371A #072437

monochromatic

#1B0306 #1B0306 #37070C #6D0E18 #A41524

Accessibility & contrast

On white

17.53

#37070C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#37070C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37070C

17.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37070C	#FFFFFF	#000000	##FFFFFF
##37070C	1.00	17.53	1.20	17.53
#FFFFFF	17.53	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15130C

Deuteranopia (green-blind)

#211D0B

Tritanopia (blue-blind)

#3D0009

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #37070c;
/* rgb */ color: rgb(55, 7, 12);
/* oklch */ color: oklch(22.4% 0.075 20.0);

Tailwind

colors: {
  custom: {
    50: '#724b4c',
    500: '#37070c',
    950: '#000000',
  },
}

SCSS

$custom: #37070c;
$custom-light: #724b4c;
$custom-dark: #000000;

JSON

{
  "hex": "#37070c",
  "rgb": {
    "r": 55,
    "g": 7,
    "b": 12
  },
  "hsl": {
    "h": 353.75,
    "s": 77.419,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22406,
    "c": 0.07496,
    "h": 20
  },
  "luminance": 0.00991
}

Semantic roles & 50–950 ramp

primary

#37070C

secondary

#23776E

accent

#F4E034

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #37070C

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

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