#3A1010#3A1010

#3A1010 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.4% C 0.067 H 23.5°. Best body text is #FFFFFF at 16.65:1 contrast (WCAG AA passes).

Color values

HEX#3A1010
RGBrgb(58, 16, 16)
HSLhsl(0, 57%, 15%)
HSVhsv(0, 72%, 23%)
CMYKcmyk(0%, 72.4%, 72.4%, 77.3%)
CIE-LABlab(11.33, 20.78, 10.44)
CIE-LCHlch(11.33, 23.26, 26.66°)
OKLaboklab(24.36% 0.0613 0.0266)
OKLCHoklch(24.36% 0.067 23.5)
XYZxyz(2.0239, 1.3078, 0.6360)
Luminance0.0131 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3A1010 #103A3A
analogous
#3A1025 #3A1010 #3A2510
triadic
#3A1010 #103A10 #10103A
tetradic
#3A1010 #253A10 #103A3A #25103A
square
#3A1010 #253A10 #103A3A #25103A
split-complementary
#3A1010 #103A25 #10253A
monochromatic
#180707 #180707 #3A1010 #6A1D1D #9A2A2A

Accessibility & contrast

On white

16.65
#3A1010 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.26
#3A1010 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A1010
16.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3A1010#FFFFFF#000000##FFFFFF
##3A10101.0016.651.2616.65
#FFFFFF16.651.0021.001.00
#0000001.2621.001.0021.00
##FFFFFF16.651.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1B1910
Deuteranopia (green-blind)
#25210F
Tritanopia (blue-blind)
#400710
Achromatopsia (no color)
#1E1E1E

Design tokens & code

CSS
--color: #3a1010;
/* rgb */ color: rgb(58, 16, 16);
/* oklch */ color: oklch(24.4% 0.067 23.5);
Tailwind
colors: {
  custom: {
    50: '#74504e',
    500: '#3a1010',
    950: '#000000',
  },
}
SCSS
$custom: #3a1010;
$custom-light: #74504e;
$custom-dark: #000000;
JSON
{
  "hex": "#3a1010",
  "rgb": {
    "r": 58,
    "g": 16,
    "b": 16
  },
  "hsl": {
    "h": 0,
    "s": 56.757,
    "l": 14.51
  },
  "oklch": {
    "l": 0.2436,
    "c": 0.0668,
    "h": 23.5
  },
  "luminance": 0.01308
}

Semantic roles & 50–950 ramp

primary
#3A1010
secondary
#327474
accent
#E0E048
background
#F7F4F4
surface
#EDE7E7
border
#C8C3C3
text
#090201
muted
#7B7877

Preview Lab

Preview with #3A1010

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

Preview Lab → · Contrast checker → · Palette generator →

#3A1010 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva