#230400#230400

#230400 is a very dark, muted red. Relative luminance 0.004; OKLCH L 17.1% C 0.057 H 36.8°. Best body text is #FFFFFF at 19.29:1 contrast (WCAG AA passes).

Color values

HEX#230400
RGBrgb(35, 4, 0)
HSLhsl(7, 100%, 7%)
HSVhsv(7, 100%, 14%)
CMYKcmyk(0%, 88.6%, 100%, 86.3%)
CIE-LABlab(4.01, 12.88, 6.25)
CIE-LCHlch(4.01, 14.31, 25.88°)
OKLaboklab(17.08% 0.046 0.0344)
OKLCHoklch(17.08% 0.057 36.8)
XYZxyz(0.7366, 0.4443, 0.0470)
Luminance0.0044 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#230400 #001F23
analogous
#23000E #230400 #231600
triadic
#230400 #002304 #040023
tetradic
#230400 #0E2300 #001F23 #160023
square
#230400 #0E2300 #001F23 #160023
split-complementary
#230400 #002316 #000E23
monochromatic
#1F0300 #1F0300 #230400 #600B00 #9D1200

Accessibility & contrast

On white

19.29
#230400 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.09
#230400 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #230400
19.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##230400#FFFFFF#000000##FFFFFF
##2304001.0019.291.0919.29
#FFFFFF19.291.0021.001.00
#0000001.0921.001.0021.00
##FFFFFF19.291.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0C0900
Deuteranopia (green-blind)
#141100
Tritanopia (blue-blind)
#280003
Achromatopsia (no color)
#0E0E0E

Design tokens & code

CSS
--color: #230400;
/* rgb */ color: rgb(35, 4, 0);
/* oklch */ color: oklch(17.1% 0.057 36.8);
Tailwind
colors: {
  custom: {
    50: '#5e4847',
    500: '#230400',
    950: '#000000',
  },
}
SCSS
$custom: #230400;
$custom-light: #5e4847;
$custom-dark: #000000;
JSON
{
  "hex": "#230400",
  "rgb": {
    "r": 35,
    "g": 4,
    "b": 0
  },
  "hsl": {
    "h": 6.857,
    "s": 100,
    "l": 6.863
  },
  "oklch": {
    "l": 0.17077,
    "c": 0.05745,
    "h": 36.8
  },
  "luminance": 0.00444
}

Semantic roles & 50–950 ramp

primary
#230400
secondary
#13626C
accent
#E7FF29
background
#F5F4F3
surface
#E9E6E5
border
#C5C2C1
text
#040000
muted
#797777

Preview Lab

Preview with #230400

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

Preview Lab → · Contrast checker → · Palette generator →

#230400 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva