#290B03
Closest named color: Very Dark Brown (#1D0200). oklch(19.9% 0.054 38.8), rgb(41, 11, 3).
Aa
White text reads best on this color (18.36:1).
About this color
#290B03 is a very dark, muted red. In OKLCH its lightness is 20%, its chroma 0.054 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.048 away. White text reads best on it, at 18.36:1.
| Hue family | Reds |
| Lightness | very dark (20%) |
| Chroma | muted (0.054) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.14:1 |
| White text | 18.36:1 |
Values
| HEX | #290B03 |
| RGB | rgb(41, 11, 3) |
| HSL | hsl(13, 86%, 9%) |
| OKLCH | oklch(19.9% 0.054 38.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #290B03 | 18.36:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #290B03 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #290B03 text on white | 18.36:1 | AAA | Lc 104.7 | Preferred for body text |
| #290B03 text on black | 1.14:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#EFD2C8
oklch(88.5% 0.035 40)
-
Step 300
300
#E6B3A3
oklch(80.9% 0.064 38.1)
-
Step 400
400
#D78A71
oklch(70.7% 0.101 38.7)
-
Step 500
500
#CA6B4B
oklch(63.1% 0.129 39.2)
-
Step 600
600
#B6502E
oklch(55.6% 0.141 38.6)
-
Step 700
700
#9C4020
oklch(49.1% 0.131 38.8)
-
Step 800
800
#7F361D
oklch(42.8% 0.108 38.9)
-
Step 900
900
#662F1D
oklch(37.6% 0.085 38.6)
-
Step 950
950 (this color)
#290B03
oklch(19.9% 0.054 38.8)
#290B03 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #131002 | 0.054 |
| Deuteranopia (no green cones) | #1B1703 | 0.048 |
| Tritanopia (no blue cones) | #2E0509 | 0.024 |
| Achromatopsia (no color) | #141414 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #290B03
#290B03
oklch(19.9% 0.054 38.8)
- #001921
#001921
oklch(19.8% 0.036 221.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #290B03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.048
- Dark Maroon #3C0008 ΔE 0.051
- Deep Brown #410200 ΔE 0.058
- Dark Brown #341C02 ΔE 0.060
- Chocolate Brown #411900 ΔE 0.074
- Almost Black #070D0D ΔE 0.078
- Mahogany #4A0100 ΔE 0.079
- Rich Black #0D1B2A ΔE 0.088
Use #290B03 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.