#290B18
Closest named color: Dark Maroon (#3C0008). oklch(20.5% 0.053 355.8), rgb(41, 11, 24).
Aa
White text reads best on this color (18.17:1).
About this color
#290B18 is a very dark, muted red. In OKLCH its lightness is 20%, its chroma 0.053 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.052 away. White text reads best on it, at 18.17:1.
| Hue family | Reds |
| Lightness | very dark (20%) |
| Chroma | muted (0.053) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.15:1 |
| White text | 18.17:1 |
Values
| HEX | #290B18 |
| RGB | rgb(41, 11, 24) |
| HSL | hsl(334, 58%, 10%) |
| OKLCH | oklch(20.5% 0.053 355.8) |
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 #290B18 | 18.17:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #290B18 | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #290B18 text on white | 18.17:1 | AAA | Lc 104.6 | Preferred for body text |
| #290B18 text on black | 1.15:1 | 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
#FAF3F6
oklch(97% 0.008 349.2)
-
Step 100
100
#F5E5EA
oklch(93.6% 0.019 356.4)
-
Step 200
200
#EDD0DA
oklch(88.5% 0.035 355)
-
Step 300
300
#E3B0C2
oklch(80.9% 0.064 355.6)
-
Step 400
400
#D386A3
oklch(70.8% 0.101 355.8)
-
Step 500
500
#C5668C
oklch(63.2% 0.128 356.1)
-
Step 600
600
#B04B76
oklch(55.6% 0.139 356)
-
Step 700
700
#973B63
oklch(49% 0.13 355.9)
-
Step 800
800
#7B3251
oklch(42.8% 0.107 356)
-
Step 900
900
#632C43
oklch(37.6% 0.084 355.6)
-
Step 950
950 (this color)
#290B18
oklch(20.5% 0.053 355.8)
#290B18 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) | #101218 | 0.058 |
| Deuteranopia (no green cones) | #181817 | 0.054 |
| Tritanopia (no blue cones) | #2D0910 | 0.017 |
| Achromatopsia (no color) | #161616 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #290B18
#290B18
oklch(20.5% 0.053 355.8)
- #001D16
#001D16
oklch(20.6% 0.039 174.2)
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 #290B18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.052
- Very Dark Brown #1D0200 ΔE 0.064
- Very Dark Purple #2A0134 ΔE 0.065
- Eggplant #380835 ΔE 0.066
- Dark Plum #3F012C ΔE 0.067
- Deep Brown #410200 ΔE 0.068
- Midnight Purple #280137 ΔE 0.071
- Aubergine #3D0734 ΔE 0.071
Use #290B18 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.