#370B07#370B07

#370B07 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 22.8% C 0.071 H 29.3°. Best body text is #FFFFFF at 17.31:1 contrast (WCAG AA passes).

Color values

HEX	#370B07
RGB	rgb(55, 11, 7)
HSL	hsl(5, 77%, 12%)
HSV	hsv(5, 87%, 22%)
CMYK	cmyk(0%, 80%, 87.3%, 78.4%)
CIE-LAB	lab(9.54, 21.54, 11.93)
CIE-LCH	lch(9.54, 24.62, 28.98°)
OKLab	oklab(22.84% 0.0618 0.0346)
OKLCH	oklch(22.84% 0.071 29.3)
XYZ	xyz(1.7338, 1.0672, 0.3157)
Luminance	0.0107 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370B07 #073337

analogous

#37071B #370B07 #372307

triadic

#370B07 #07370B #0B0737

tetradic

#370B07 #1B3707 #073337 #230737

square

#370B07 #1B3707 #073337 #230737

split-complementary

#370B07 #073723 #071B37

monochromatic

#1B0503 #1B0503 #370B07 #6D160E #A42115

Accessibility & contrast

On white

17.31

#370B07 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#370B07 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370B07

17.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370B07	#FFFFFF	#000000	##FFFFFF
##370B07	1.00	17.31	1.21	17.31
#FFFFFF	17.31	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181406

Deuteranopia (green-blind)

#231E06

Tritanopia (blue-blind)

#3D010A

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #370b07;
/* rgb */ color: rgb(55, 11, 7);
/* oklch */ color: oklch(22.8% 0.071 29.3);

Tailwind

colors: {
  custom: {
    50: '#724d4a',
    500: '#370b07',
    950: '#000000',
  },
}

SCSS

$custom: #370b07;
$custom-light: #724d4a;
$custom-dark: #000000;

JSON

{
  "hex": "#370b07",
  "rgb": {
    "r": 55,
    "g": 11,
    "b": 7
  },
  "hsl": {
    "h": 5,
    "s": 77.419,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22842,
    "c": 0.07083,
    "h": 29.3
  },
  "luminance": 0.01067
}

Semantic roles & 50–950 ramp

primary

#370B07

secondary

#237077

accent

#E4F434

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #370B07

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

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