#370E11#370E11

#370E11 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.5% C 0.065 H 19.5°. Best body text is #FFFFFF at 17.03:1 contrast (WCAG AA passes).

Color values

HEX	#370E11
RGB	rgb(55, 14, 17)
HSL	hsl(356, 59%, 14%)
HSV	hsv(356, 75%, 22%)
CMYK	cmyk(0%, 74.5%, 69.1%, 78.4%)
CIE-LAB	lab(10.31, 20.69, 8.35)
CIE-LCH	lch(10.31, 22.32, 21.98°)
OKLab	oklab(23.48% 0.0616 0.0218)
OKLCH	oklch(23.48% 0.065 19.5)
XYZ	xyz(1.8339, 1.1670, 0.6589)
Luminance	0.0117 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370E11 #0E3734

analogous

#370E25 #370E11 #371F0E

triadic

#370E11 #11370E #0E1137

tetradic

#370E11 #25370E #0E3734 #1F0E37

square

#370E11 #25370E #0E3734 #1F0E37

split-complementary

#370E11 #0E371F #0E2537

monochromatic

#180608 #180608 #370E11 #681A20 #99272F

Accessibility & contrast

On white

17.03

#370E11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#370E11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370E11

17.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370E11	#FFFFFF	#000000	##FFFFFF
##370E11	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)

#181711

Deuteranopia (green-blind)

#231F10

Tritanopia (blue-blind)

#3D060F

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #370e11;
/* rgb */ color: rgb(55, 14, 17);
/* oklch */ color: oklch(23.5% 0.065 19.5);

Tailwind

colors: {
  custom: {
    50: '#714f4f',
    500: '#370e11',
    950: '#000000',
  },
}

SCSS

$custom: #370e11;
$custom-light: #714f4f;
$custom-dark: #000000;

JSON

{
  "hex": "#370e11",
  "rgb": {
    "r": 55,
    "g": 14,
    "b": 17
  },
  "hsl": {
    "h": 355.61,
    "s": 59.42,
    "l": 13.529
  },
  "oklch": {
    "l": 0.23483,
    "c": 0.06538,
    "h": 19.5
  },
  "luminance": 0.01167
}

Semantic roles & 50–950 ramp

primary

#370E11

secondary

#2F726D

accent

#E3D745

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080201

muted

#7B7877

Preview Lab

Preview with #370E11

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

Preview Lab → · Contrast checker → · Palette generator →