#3A100C#3A100C

#3A100C is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.3% C 0.068 H 28.5°. Best body text is #FFFFFF at 16.67:1 contrast (WCAG AA passes).

Color values

HEX#3A100C
RGBrgb(58, 16, 12)
HSLhsl(5, 66%, 14%)
HSVhsv(5, 79%, 23%)
CMYKcmyk(0%, 72.4%, 79.3%, 77.3%)
CIE-LABlab(11.25, 20.49, 12.35)
CIE-LCHlch(11.25, 23.93, 31.08°)
OKLaboklab(24.28% 0.0594 0.0322)
OKLCHoklch(24.28% 0.068 28.5)
XYZxyz(1.9968, 1.2969, 0.4929)
Luminance0.0130 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3A100C #0C363A
analogous
#3A0C1F #3A100C #3A270C
triadic
#3A100C #0C3A10 #100C3A
tetradic
#3A100C #1F3A0C #0C363A #270C3A
square
#3A100C #1F3A0C #0C363A #270C3A
split-complementary
#3A100C #0C3A27 #0C1F3A
monochromatic
#190705 #190705 #3A100C #6D1E16 #9F2C21

Accessibility & contrast

On white

16.67
#3A100C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.26
#3A100C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A100C
16.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3A100C#FFFFFF#000000##FFFFFF
##3A100C1.0016.671.2616.67
#FFFFFF16.671.0021.001.00
#0000001.2621.001.0021.00
##FFFFFF16.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1B180B
Deuteranopia (green-blind)
#26210B
Tritanopia (blue-blind)
#41070F
Achromatopsia (no color)
#1E1E1E

Design tokens & code

CSS
--color: #3a100c;
/* rgb */ color: rgb(58, 16, 12);
/* oklch */ color: oklch(24.3% 0.068 28.5);
Tailwind
colors: {
  custom: {
    50: '#74504c',
    500: '#3a100c',
    950: '#000000',
  },
}
SCSS
$custom: #3a100c;
$custom-light: #74504c;
$custom-dark: #000000;
JSON
{
  "hex": "#3a100c",
  "rgb": {
    "r": 58,
    "g": 16,
    "b": 12
  },
  "hsl": {
    "h": 5.217,
    "s": 65.714,
    "l": 13.725
  },
  "oklch": {
    "l": 0.24278,
    "c": 0.06759,
    "h": 28.5
  },
  "luminance": 0.01297
}

Semantic roles & 50–950 ramp

primary
#3A100C
secondary
#2C7076
accent
#DAE93F
background
#F7F4F4
surface
#EDE7E7
border
#C8C3C3
text
#090201
muted
#7B7877

Preview Lab

Preview with #3A100C

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

Preview Lab → · Contrast checker → · Palette generator →

#3A100C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva