#370A07#370A07

#370A07 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.7% C 0.072 H 28.4°. Best body text is #FFFFFF at 17.37:1 contrast (WCAG AA passes).

Color values

HEX	#370A07
RGB	rgb(55, 10, 7)
HSL	hsl(4, 77%, 12%)
HSV	hsv(4, 87%, 22%)
CMYK	cmyk(0%, 81.8%, 87.3%, 78.4%)
CIE-LAB	lab(9.36, 22.03, 11.68)
CIE-LCH	lch(9.36, 24.93, 27.93°)
OKLab	oklab(22.71% 0.0633 0.0342)
OKLCH	oklch(22.71% 0.072 28.4)
XYZ	xyz(1.7226, 1.0449, 0.3120)
Luminance	0.0104 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370A07 #073437

analogous

#37071C #370A07 #372207

triadic

#370A07 #07370A #0A0737

tetradic

#370A07 #1C3707 #073437 #220737

square

#370A07 #1C3707 #073437 #220737

split-complementary

#370A07 #073722 #071C37

monochromatic

#1B0503 #1B0503 #370A07 #6D140E #A41E15

Accessibility & contrast

On white

17.37

#370A07 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#370A07 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370A07

17.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370A07	#FFFFFF	#000000	##FFFFFF
##370A07	1.00	17.37	1.21	17.37
#FFFFFF	17.37	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171406

Deuteranopia (green-blind)

#221E06

Tritanopia (blue-blind)

#3D000A

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #370a07;
/* rgb */ color: rgb(55, 10, 7);
/* oklch */ color: oklch(22.7% 0.072 28.4);

Tailwind

colors: {
  custom: {
    50: '#724c4a',
    500: '#370a07',
    950: '#000000',
  },
}

SCSS

$custom: #370a07;
$custom-light: #724c4a;
$custom-dark: #000000;

JSON

{
  "hex": "#370a07",
  "rgb": {
    "r": 55,
    "g": 10,
    "b": 7
  },
  "hsl": {
    "h": 3.75,
    "s": 77.419,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22708,
    "c": 0.07197,
    "h": 28.4
  },
  "luminance": 0.01045
}

Semantic roles & 50–950 ramp

primary

#370A07

secondary

#237177

accent

#E8F434

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #370A07

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

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