#370E15#370E15

#370E15 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.6% C 0.065 H 13.5°. Best body text is #FFFFFF at 16.99:1 contrast (WCAG AA passes).

Color values

HEX	#370E15
RGB	rgb(55, 14, 21)
HSL	hsl(350, 59%, 14%)
HSV	hsv(350, 75%, 22%)
CMYK	cmyk(0%, 74.5%, 61.8%, 78.4%)
CIE-LAB	lab(10.41, 21.08, 5.96)
CIE-LCH	lch(10.41, 21.91, 15.78°)
OKLab	oklab(23.59% 0.0636 0.0152)
OKLCH	oklch(23.59% 0.065 13.5)
XYZ	xyz(1.8681, 1.1807, 0.8388)
Luminance	0.0118 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370E15 #0E3730

analogous

#370E29 #370E15 #371B0E

triadic

#370E15 #15370E #0E1537

tetradic

#370E15 #29370E #0E3730 #1B0E37

square

#370E15 #29370E #0E3730 #1B0E37

split-complementary

#370E15 #0E371B #0E2937

monochromatic

#180609 #180609 #370E15 #681A28 #99273A

Accessibility & contrast

On white

16.99

#370E15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#370E15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370E15

16.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370E15	#FFFFFF	#000000	##FFFFFF
##370E15	1.00	16.99	1.24	16.99
#FFFFFF	16.99	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181715

Deuteranopia (green-blind)

#221F14

Tritanopia (blue-blind)

#3D0711

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #370e15;
/* rgb */ color: rgb(55, 14, 21);
/* oklch */ color: oklch(23.6% 0.065 13.5);

Tailwind

colors: {
  custom: {
    50: '#714f52',
    500: '#370e15',
    950: '#000000',
  },
}

SCSS

$custom: #370e15;
$custom-light: #714f52;
$custom-dark: #000000;

JSON

{
  "hex": "#370e15",
  "rgb": {
    "r": 55,
    "g": 14,
    "b": 21
  },
  "hsl": {
    "h": 349.756,
    "s": 59.42,
    "l": 13.529
  },
  "oklch": {
    "l": 0.23593,
    "c": 0.06541,
    "h": 13.5
  },
  "luminance": 0.0118
}

Semantic roles & 50–950 ramp

primary

#370E15

secondary

#2F7266

accent

#E3C845

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080202

muted

#7B7878

Preview Lab

Preview with #370E15

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

Preview Lab → · Contrast checker → · Palette generator →