#3E101B#3E101B

#3E101B is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.4% C 0.072 H 9.4°. Best body text is #FFFFFF at 16.22:1 contrast (WCAG AA passes).

Color values

HEX	#3E101B
RGB	rgb(62, 16, 27)
HSL	hsl(346, 59%, 15%)
HSV	hsv(346, 74%, 24%)
CMYK	cmyk(0%, 74.2%, 56.5%, 75.7%)
CIE-LAB	lab(12.44, 23.48, 4.58)
CIE-LCH	lch(12.44, 23.92, 11.03°)
OKLab	oklab(25.44% 0.0713 0.0118)
OKLCH	oklch(25.44% 0.072 9.4)
XYZ	xyz(2.3699, 1.4741, 1.1964)
Luminance	0.0147 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E101B #103E33

analogous

#3E1032 #3E101B #3E1C10

triadic

#3E101B #1B3E10 #101B3E

tetradic

#3E101B #323E10 #103E33 #1C103E

square

#3E101B #323E10 #103E33 #1C103E

split-complementary

#3E101B #103E1C #10323E

monochromatic

#18060B #18060B #3E101B #6F1D30 #9F2945

Accessibility & contrast

On white

16.22

#3E101B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#3E101B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E101B

16.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E101B	#FFFFFF	#000000	##FFFFFF
##3E101B	1.00	16.22	1.29	16.22
#FFFFFF	16.22	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1B1B

Deuteranopia (green-blind)

#26241A

Tritanopia (blue-blind)

#440914

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3e101b;
/* rgb */ color: rgb(62, 16, 27);
/* oklch */ color: oklch(25.4% 0.072 9.4);

Tailwind

colors: {
  custom: {
    50: '#775157',
    500: '#3e101b',
    950: '#000000',
  },
}

SCSS

$custom: #3e101b;
$custom-light: #775157;
$custom-dark: #000000;

JSON

{
  "hex": "#3e101b",
  "rgb": {
    "r": 62,
    "g": 16,
    "b": 27
  },
  "hsl": {
    "h": 345.652,
    "s": 58.974,
    "l": 15.294
  },
  "oklch": {
    "l": 0.25441,
    "c": 0.07225,
    "h": 9.4
  },
  "luminance": 0.01474
}

Semantic roles & 50–950 ramp

primary

#3E101B

secondary

#327867

accent

#E2BD46

background

#F7F4F5

surface

#EDE7E9

border

#C8C3C5

text

#090203

muted

#7B7878

Preview Lab

Preview with #3E101B

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

Preview Lab → · Contrast checker → · Palette generator →