#3F140B#3F140B

#3F140B is a dark, moderate red. Relative luminance 0.016; OKLCH L 25.9% C 0.070 H 33.5°. Best body text is #FFFFFF at 15.96:1 contrast (WCAG AA passes).

Color values

HEX	#3F140B
RGB	rgb(63, 20, 11)
HSL	hsl(10, 70%, 15%)
HSV	hsv(10, 83%, 25%)
CMYK	cmyk(0%, 68.3%, 82.5%, 75.3%)
CIE-LAB	lab(13.12, 20.38, 15.50)
CIE-LCH	lch(13.12, 25.60, 37.26°)
OKLab	oklab(25.87% 0.0581 0.0385)
OKLCH	oklch(25.87% 0.07 33.5)
XYZ	xyz(2.3607, 1.5816, 0.4975)
Luminance	0.0158 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F140B #0B363F

analogous

#3F0B1C #3F140B #3F2E0B

triadic

#3F140B #0B3F14 #140B3F

tetradic

#3F140B #1C3F0B #0B363F #2E0B3F

square

#3F140B #1C3F0B #0B363F #2E0B3F

split-complementary

#3F140B #0B3F2E #0B1C3F

monochromatic

#1A0805 #1A0805 #3F140B #732514 #A7351D

Accessibility & contrast

On white

15.96

#3F140B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#3F140B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F140B

15.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F140B	#FFFFFF	#000000	##FFFFFF
##3F140B	1.00	15.96	1.32	15.96
#FFFFFF	15.96	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201C0A

Deuteranopia (green-blind)

#2A250A

Tritanopia (blue-blind)

#460A12

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #3f140b;
/* rgb */ color: rgb(63, 20, 11);
/* oklch */ color: oklch(25.9% 0.070 33.5);

Tailwind

colors: {
  custom: {
    50: '#78534b',
    500: '#3f140b',
    950: '#000000',
  },
}

SCSS

$custom: #3f140b;
$custom-light: #78534b;
$custom-dark: #000000;

JSON

{
  "hex": "#3f140b",
  "rgb": {
    "r": 63,
    "g": 20,
    "b": 11
  },
  "hsl": {
    "h": 10.385,
    "s": 70.27,
    "l": 14.51
  },
  "oklch": {
    "l": 0.25875,
    "c": 0.06972,
    "h": 33.5
  },
  "luminance": 0.01581
}

Semantic roles & 50–950 ramp

primary

#3F140B

secondary

#2A6E7C

accent

#CEED3B

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #3F140B

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

Preview Lab → · Contrast checker → · Palette generator →