#380B0B#380B0B

#380B0B is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.1% C 0.071 H 24.7°. Best body text is #FFFFFF at 17.20:1 contrast (WCAG AA passes).

Color values

HEX	#380B0B
RGB	rgb(56, 11, 11)
HSL	hsl(0, 67%, 13%)
HSV	hsv(0, 80%, 22%)
CMYK	cmyk(0%, 80.4%, 80.4%, 78%)
CIE-LAB	lab(9.83, 22.20, 10.74)
CIE-LCH	lch(9.83, 24.66, 25.82°)
OKLab	oklab(23.13% 0.0648 0.0298)
OKLCH	oklch(23.13% 0.071 24.7)
XYZ	xyz(1.8112, 1.1045, 0.4344)
Luminance	0.0110 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#380B0B #0B3838

analogous

#380B21 #380B0B #38210B

triadic

#380B0B #0B380B #0B0B38

tetradic

#380B0B #21380B #0B3838 #210B38

square

#380B0B #21380B #0B3838 #210B38

split-complementary

#380B0B #0B3821 #0B2138

monochromatic

#1A0505 #1A0505 #380B0B #6B1515 #9E1F1F

Accessibility & contrast

On white

17.20

#380B0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#380B0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #380B0B

17.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##380B0B	#FFFFFF	#000000	##FFFFFF
##380B0B	1.00	17.20	1.22	17.20
#FFFFFF	17.20	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18150B

Deuteranopia (green-blind)

#231F0A

Tritanopia (blue-blind)

#3E020C

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #380b0b;
/* rgb */ color: rgb(56, 11, 11);
/* oklch */ color: oklch(23.1% 0.071 24.7);

Tailwind

colors: {
  custom: {
    50: '#734d4b',
    500: '#380b0b',
    950: '#000000',
  },
}

SCSS

$custom: #380b0b;
$custom-light: #734d4b;
$custom-dark: #000000;

JSON

{
  "hex": "#380b0b",
  "rgb": {
    "r": 56,
    "g": 11,
    "b": 11
  },
  "hsl": {
    "h": 0,
    "s": 67.164,
    "l": 13.137
  },
  "oklch": {
    "l": 0.23126,
    "c": 0.07133,
    "h": 24.7
  },
  "luminance": 0.01104
}

Semantic roles & 50–950 ramp

primary

#380B0B

secondary

#2A7575

accent

#EAEA3E

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #380B0B

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

Preview Lab → · Contrast checker → · Palette generator →