#370F05#370F05

#370F05 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.4% C 0.067 H 36.0°. Best body text is #FFFFFF at 17.03:1 contrast (WCAG AA passes).

Color values

HEX	#370F05
RGB	rgb(55, 15, 5)
HSL	hsl(12, 83%, 12%)
HSV	hsv(12, 91%, 22%)
CMYK	cmyk(0%, 72.7%, 90.9%, 78.4%)
CIE-LAB	lab(10.30, 19.28, 13.82)
CIE-LCH	lch(10.30, 23.72, 35.64°)
OKLab	oklab(23.4% 0.0541 0.0393)
OKLCH	oklch(23.4% 0.067 36)
XYZ	xyz(1.7740, 1.1651, 0.2750)
Luminance	0.0117 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370F05 #052D37

analogous

#370514 #370F05 #372805

triadic

#370F05 #05370F #0F0537

tetradic

#370F05 #143705 #052D37 #280537

square

#370F05 #143705 #052D37 #280537

split-complementary

#370F05 #053728 #051437

monochromatic

#1C0803 #1C0803 #370F05 #6F1E0A #A72E0F

Accessibility & contrast

On white

17.03

#370F05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#370F05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370F05

17.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370F05	#FFFFFF	#000000	##FFFFFF
##370F05	1.00	17.03	1.23	17.03
#FFFFFF	17.03	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1604

Deuteranopia (green-blind)

#241F04

Tritanopia (blue-blind)

#3D060D

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #370f05;
/* rgb */ color: rgb(55, 15, 5);
/* oklch */ color: oklch(23.4% 0.067 36.0);

Tailwind

colors: {
  custom: {
    50: '#724f49',
    500: '#370f05',
    950: '#000000',
  },
}

SCSS

$custom: #370f05;
$custom-light: #724f49;
$custom-dark: #000000;

JSON

{
  "hex": "#370f05",
  "rgb": {
    "r": 55,
    "g": 15,
    "b": 5
  },
  "hsl": {
    "h": 12,
    "s": 83.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.23401,
    "c": 0.0669,
    "h": 36
  },
  "luminance": 0.01165
}

Semantic roles & 50–950 ramp

primary

#370F05

secondary

#206678

accent

#D1FA2E

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#080200

muted

#7B7877

Preview Lab

Preview with #370F05

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

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