#290C0A#290C0A

#290C0A is a very dark, muted red. Relative luminance 0.008; OKLCH L 20.2% C 0.049 H 26.3°. Best body text is #FFFFFF at 18.24:1 contrast (WCAG AA passes).

Color values

HEX	#290C0A
RGB	rgb(41, 12, 10)
HSL	hsl(4, 61%, 10%)
HSV	hsv(4, 76%, 16%)
CMYK	cmyk(0%, 70.7%, 75.6%, 83.9%)
CIE-LAB	lab(6.83, 14.71, 6.42)
CIE-LCH	lch(6.83, 16.05, 23.56°)
OKLab	oklab(20.2% 0.0441 0.0218)
OKLCH	oklch(20.2% 0.049 26.3)
XYZ	xyz(1.1008, 0.7564, 0.3751)
Luminance	0.0076 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#290C0A #0A2729

analogous

#290A17 #290C0A #291C0A

triadic

#290C0A #0A290C #0C0A29

tetradic

#290C0A #17290A #0A2729 #1C0A29

square

#290C0A #17290A #0A2729 #1C0A29

split-complementary

#290C0A #0A291C #0A1729

monochromatic

#190706 #190706 #290C0A #5A1A16 #8B2922

Accessibility & contrast

On white

18.24

#290C0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#290C0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #290C0A

18.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##290C0A	#FFFFFF	#000000	##FFFFFF
##290C0A	1.00	18.24	1.15	18.24
#FFFFFF	18.24	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13110A

Deuteranopia (green-blind)

#1A1709

Tritanopia (blue-blind)

#2E070C

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #290c0a;
/* rgb */ color: rgb(41, 12, 10);
/* oklch */ color: oklch(20.2% 0.049 26.3);

Tailwind

colors: {
  custom: {
    50: '#644c4b',
    500: '#290c0a',
    950: '#000000',
  },
}

SCSS

$custom: #290c0a;
$custom-light: #644c4b;
$custom-dark: #000000;

JSON

{
  "hex": "#290c0a",
  "rgb": {
    "r": 41,
    "g": 12,
    "b": 10
  },
  "hsl": {
    "h": 3.871,
    "s": 60.784,
    "l": 10
  },
  "oklch": {
    "l": 0.20202,
    "c": 0.04916,
    "h": 26.3
  },
  "luminance": 0.00756
}

Semantic roles & 50–950 ramp

primary

#290C0A

secondary

#296266

accent

#DAE444

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#060101

muted

#7A7777

Preview Lab

Preview with #290C0A

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

Preview Lab → · Contrast checker → · Palette generator →