#33040B
Closest named color: Dark Maroon (#3C0008). oklch(21.1% 0.075 17.6), rgb(51, 4, 11).
Aa
White text reads best on this color (18.05:1).
About this color
#33040B is a very dark, moderately saturated red. In OKLCH its lightness is 21%, its chroma 0.075 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.022 away. White text reads best on it, at 18.05:1.
| Hue family | Reds |
| Lightness | very dark (21%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.16:1 |
| White text | 18.05:1 |
Values
| HEX | #33040B |
| RGB | rgb(51, 4, 11) |
| HSL | hsl(351, 85%, 11%) |
| OKLCH | oklch(21.1% 0.075 17.6) |
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 #33040B | 18.05:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #33040B | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #33040B text on white | 18.05:1 | AAA | Lc 104.1 | Preferred for body text |
| #33040B text on black | 1.16:1 | 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
#FDF2F2
oklch(97% 0.012 17.4)
-
Step 100
100
#FBE3E3
oklch(93.5% 0.026 17.6)
-
Step 200
200
#F8CDCD
oklch(88.5% 0.049 18.1)
-
Step 300
300
#F4AAAC
oklch(80.9% 0.087 17.4)
-
Step 400
400
#EB7980
oklch(70.7% 0.141 17.5)
-
Step 500
500
#E14F60
oklch(63% 0.181 17.3)
-
Step 600
600
#CD2A46
oklch(55.7% 0.197 17.8)
-
Step 700
700
#B01938
oklch(49% 0.182 17.5)
-
Step 800
800
#8F1A2F
oklch(42.7% 0.151 17.3)
-
Step 900
900
#731E29
oklch(37.6% 0.118 17.7)
-
Step 950
950 (this color)
#33040B
oklch(21.1% 0.075 17.6)
#33040B 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) | #11100B | 0.083 |
| Deuteranopia (no green cones) | #1D1A0A | 0.076 |
| Tritanopia (no blue cones) | #390007 | 0.015 |
| Achromatopsia (no color) | #161616 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33040B
#33040B
oklch(21.1% 0.075 17.6)
- #001D1E
#001D1E
oklch(20.9% 0.036 198)
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 #33040B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.022
- Deep Brown #410200 ΔE 0.039
- Mahogany #4A0100 ΔE 0.059
- Very Dark Brown #1D0200 ΔE 0.066
- Dark Plum #3F012C ΔE 0.068
- Dark Brown #341C02 ΔE 0.069
- Chocolate Brown #411900 ΔE 0.071
- Eggplant #380835 ΔE 0.078
Use #33040B 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.