#3E100D#3E100D

#3E100D is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.1% C 0.073 H 27.3°. Best body text is #FFFFFF at 16.34:1 contrast (WCAG AA passes).

Color values

HEX	#3E100D
RGB	rgb(62, 16, 13)
HSL	hsl(4, 65%, 15%)
HSV	hsv(4, 79%, 24%)
CMYK	cmyk(0%, 74.2%, 79%, 75.7%)
CIE-LAB	lab(12.12, 22.26, 13.21)
CIE-LCH	lch(12.12, 25.88, 30.68°)
OKLab	oklab(25.09% 0.0646 0.0334)
OKLCH	oklch(25.09% 0.073 27.3)
XYZ	xyz(2.2448, 1.4241, 0.5374)
Luminance	0.0142 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E100D #0D3B3E

analogous

#3E0D23 #3E100D #3E280D

triadic

#3E100D #0D3E10 #100D3E

tetradic

#3E100D #233E0D #0D3B3E #280D3E

square

#3E100D #233E0D #0D3B3E #280D3E

split-complementary

#3E100D #0D3E28 #0D233E

monochromatic

#190705 #190705 #3E100D #711D18 #A32A22

Accessibility & contrast

On white

16.34

#3E100D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#3E100D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E100D

16.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E100D	#FFFFFF	#000000	##FFFFFF
##3E100D	1.00	16.34	1.28	16.34
#FFFFFF	16.34	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D190C

Deuteranopia (green-blind)

#28230C

Tritanopia (blue-blind)

#450510

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3e100d;
/* rgb */ color: rgb(62, 16, 13);
/* oklch */ color: oklch(25.1% 0.073 27.3);

Tailwind

colors: {
  custom: {
    50: '#78514c',
    500: '#3e100d',
    950: '#000000',
  },
}

SCSS

$custom: #3e100d;
$custom-light: #78514c;
$custom-dark: #000000;

JSON

{
  "hex": "#3e100d",
  "rgb": {
    "r": 62,
    "g": 16,
    "b": 13
  },
  "hsl": {
    "h": 3.673,
    "s": 65.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.25092,
    "c": 0.07274,
    "h": 27.3
  },
  "luminance": 0.01424
}

Semantic roles & 50–950 ramp

primary

#3E100D

secondary

#2D757A

accent

#DEE840

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #3E100D

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

Preview Lab → · Contrast checker → · Palette generator →