#3A100E#3A100E

#3A100E is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.3% C 0.067 H 26.0°. Best body text is #FFFFFF at 16.66:1 contrast (WCAG AA passes).

Color values

HEX	#3A100E
RGB	rgb(58, 16, 14)
HSL	hsl(3, 61%, 14%)
HSV	hsv(3, 76%, 23%)
CMYK	cmyk(0%, 72.4%, 75.9%, 77.3%)
CIE-LAB	lab(11.29, 20.63, 11.44)
CIE-LCH	lch(11.29, 23.59, 29.01°)
OKLab	oklab(24.32% 0.0603 0.0295)
OKLCH	oklch(24.32% 0.067 26)
XYZ	xyz(2.0097, 1.3021, 0.5609)
Luminance	0.0130 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A100E #0E383A

analogous

#3A0E22 #3A100E #3A260E

triadic

#3A100E #0E3A10 #100E3A

tetradic

#3A100E #223A0E #0E383A #260E3A

square

#3A100E #223A0E #0E383A #260E3A

split-complementary

#3A100E #0E3A26 #0E223A

monochromatic

#190706 #190706 #3A100E #6B1E1A #9D2B26

Accessibility & contrast

On white

16.66

#3A100E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#3A100E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A100E

16.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A100E	#FFFFFF	#000000	##FFFFFF
##3A100E	1.00	16.66	1.26	16.66
#FFFFFF	16.66	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B180E

Deuteranopia (green-blind)

#26210D

Tritanopia (blue-blind)

#400710

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #3a100e;
/* rgb */ color: rgb(58, 16, 14);
/* oklch */ color: oklch(24.3% 0.067 26.0);

Tailwind

colors: {
  custom: {
    50: '#74504d',
    500: '#3a100e',
    950: '#000000',
  },
}

SCSS

$custom: #3a100e;
$custom-light: #74504d;
$custom-dark: #000000;

JSON

{
  "hex": "#3a100e",
  "rgb": {
    "r": 58,
    "g": 16,
    "b": 14
  },
  "hsl": {
    "h": 2.727,
    "s": 61.111,
    "l": 14.118
  },
  "oklch": {
    "l": 0.24317,
    "c": 0.06715,
    "h": 26
  },
  "luminance": 0.01302
}

Semantic roles & 50–950 ramp

primary

#3A100E

secondary

#2F7275

accent

#DDE444

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #3A100E

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

Preview Lab → · Contrast checker → · Palette generator →