#370510#370510

#370510 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.2% C 0.078 H 13.6°. Best body text is #FFFFFF at 17.62:1 contrast (WCAG AA passes).

Color values

HEX	#370510
RGB	rgb(55, 5, 16)
HSL	hsl(347, 83%, 12%)
HSV	hsv(347, 91%, 22%)
CMYK	cmyk(0%, 90.9%, 70.9%, 78.4%)
CIE-LAB	lab(8.64, 25.15, 6.54)
CIE-LCH	lch(8.64, 25.99, 14.57°)
OKLab	oklab(22.23% 0.0757 0.0183)
OKLCH	oklch(22.23% 0.078 13.6)
XYZ	xyz(1.7235, 0.9584, 0.5844)
Luminance	0.0096 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370510 #05372C

analogous

#370529 #370510 #371305

triadic

#370510 #103705 #051037

tetradic

#370510 #293705 #05372C #130537

square

#370510 #293705 #05372C #130537

split-complementary

#370510 #053713 #052937

monochromatic

#1C0308 #1C0308 #370510 #6F0A20 #A70F31

Accessibility & contrast

On white

17.62

#370510 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#370510 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370510

17.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370510	#FFFFFF	#000000	##FFFFFF
##370510	1.00	17.62	1.19	17.62
#FFFFFF	17.62	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#131210

Deuteranopia (green-blind)

#201D0F

Tritanopia (blue-blind)

#3D0009

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #370510;
/* rgb */ color: rgb(55, 5, 16);
/* oklch */ color: oklch(22.2% 0.078 13.6);

Tailwind

colors: {
  custom: {
    50: '#724a4e',
    500: '#370510',
    950: '#000000',
  },
}

SCSS

$custom: #370510;
$custom-light: #724a4e;
$custom-dark: #000000;

JSON

{
  "hex": "#370510",
  "rgb": {
    "r": 55,
    "g": 5,
    "b": 16
  },
  "hsl": {
    "h": 346.8,
    "s": 83.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.22232,
    "c": 0.07787,
    "h": 13.6
  },
  "luminance": 0.00958
}

Semantic roles & 50–950 ramp

primary

#370510

secondary

#207865

accent

#FACD2E

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #370510

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

Preview Lab → · Contrast checker → · Palette generator →