#230B05#230B05

#230B05 is a very dark, muted red. Relative luminance 0.006; OKLCH L 18.7% C 0.043 H 37.1°. Best body text is #FFFFFF at 18.72:1 contrast (WCAG AA passes).

Color values

HEX	#230B05
RGB	rgb(35, 11, 5)
HSL	hsl(12, 75%, 8%)
HSV	hsv(12, 86%, 14%)
CMYK	cmyk(0%, 68.6%, 85.7%, 86.3%)
CIE-LAB	lab(5.49, 10.76, 6.37)
CIE-LCH	lch(5.49, 12.50, 30.61°)
OKLab	oklab(18.71% 0.0347 0.0262)
OKLCH	oklch(18.71% 0.043 37.1)
XYZ	xyz(0.8403, 0.6077, 0.2166)
Luminance	0.0061 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#230B05 #051D23

analogous

#23050E #230B05 #231A05

triadic

#230B05 #05230B #0B0523

tetradic

#230B05 #0E2305 #051D23 #1A0523

square

#230B05 #0E2305 #051D23 #1A0523

split-complementary

#230B05 #05231A #050E23

monochromatic

#1B0804 #1B0804 #230B05 #591C0D #8E2D14

Accessibility & contrast

On white

18.72

#230B05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#230B05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #230B05

18.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##230B05	#FFFFFF	#000000	##FFFFFF
##230B05	1.00	18.72	1.12	18.72
#FFFFFF	18.72	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#110F05

Deuteranopia (green-blind)

#171405

Tritanopia (blue-blind)

#270709

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #230b05;
/* rgb */ color: rgb(35, 11, 5);
/* oklch */ color: oklch(18.7% 0.043 37.1);

Tailwind

colors: {
  custom: {
    50: '#5e4b49',
    500: '#230b05',
    950: '#000000',
  },
}

SCSS

$custom: #230b05;
$custom-light: #5e4b49;
$custom-dark: #000000;

JSON

{
  "hex": "#230b05",
  "rgb": {
    "r": 35,
    "g": 11,
    "b": 5
  },
  "hsl": {
    "h": 12,
    "s": 75,
    "l": 7.843
  },
  "oklch": {
    "l": 0.18707,
    "c": 0.04346,
    "h": 37.1
  },
  "luminance": 0.00608
}

Semantic roles & 50–950 ramp

primary

#230B05

secondary

#1F5764

accent

#CCF236

background

#F5F4F4

surface

#E9E7E6

border

#C5C3C2

text

#040100

muted

#797777

Preview Lab

Preview with #230B05

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

Preview Lab → · Contrast checker → · Palette generator →