#38100D#38100D

#38100D is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.9% C 0.065 H 27.3°. Best body text is #FFFFFF at 16.83:1 contrast (WCAG AA passes).

Color values

HEX	#38100D
RGB	rgb(56, 16, 13)
HSL	hsl(4, 62%, 14%)
HSV	hsv(4, 77%, 22%)
CMYK	cmyk(0%, 71.4%, 76.8%, 78%)
CIE-LAB	lab(10.85, 19.69, 11.27)
CIE-LCH	lch(10.85, 22.68, 29.78°)
OKLab	oklab(23.9% 0.0574 0.0296)
OKLCH	oklch(23.9% 0.065 27.3)
XYZ	xyz(1.8890, 1.2406, 0.5207)
Luminance	0.0124 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#38100D #0D3538

analogous

#380D1F #38100D #38250D

triadic

#38100D #0D3810 #100D38

tetradic

#38100D #1F380D #0D3538 #250D38

square

#38100D #1F380D #0D3538 #250D38

split-complementary

#38100D #0D3825 #0D1F38

monochromatic

#190706 #190706 #38100D #6A1E19 #9B2C24

Accessibility & contrast

On white

16.83

#38100D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#38100D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #38100D

16.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##38100D	#FFFFFF	#000000	##FFFFFF
##38100D	1.00	16.83	1.25	16.83
#FFFFFF	16.83	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B180C

Deuteranopia (green-blind)

#25200C

Tritanopia (blue-blind)

#3E0810

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #38100d;
/* rgb */ color: rgb(56, 16, 13);
/* oklch */ color: oklch(23.9% 0.065 27.3);

Tailwind

colors: {
  custom: {
    50: '#72504c',
    500: '#38100d',
    950: '#000000',
  },
}

SCSS

$custom: #38100d;
$custom-light: #72504c;
$custom-dark: #000000;

JSON

{
  "hex": "#38100d",
  "rgb": {
    "r": 56,
    "g": 16,
    "b": 13
  },
  "hsl": {
    "h": 4.186,
    "s": 62.319,
    "l": 13.529
  },
  "oklch": {
    "l": 0.23903,
    "c": 0.06461,
    "h": 27.3
  },
  "luminance": 0.0124
}

Semantic roles & 50–950 ramp

primary

#38100D

secondary

#2D6F73

accent

#DAE542

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080201

muted

#7B7877

Preview Lab

Preview with #38100D

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

Preview Lab → · Contrast checker → · Palette generator →