#33040A
Closest named color: Dark Maroon (#3C0008). oklch(21% 0.075 18.8), rgb(51, 4, 10).
Aa
White text reads best on this color (18.06:1).
About this color
#33040A is a very dark, moderately saturated red. In OKLCH its lightness is 21%, its chroma 0.075 and its hue 19°. 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 18.06:1.
| 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 | 18.06:1 |
Values
| HEX | #33040A |
| RGB | rgb(51, 4, 10) |
| HSL | hsl(352, 85%, 11%) |
| OKLCH | oklch(21% 0.075 18.8) |
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 #33040A | 18.06:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #33040A | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #33040A text on white | 18.06:1 | AAA | Lc 104.1 | Preferred for body text |
| #33040A 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
#F8CDCC
oklch(88.5% 0.049 19.7)
-
Step 300
300
#F5AAAA
oklch(81% 0.089 19.2)
-
Step 400
400
#EB797D
oklch(70.7% 0.141 19.1)
-
Step 500
500
#E1505D
oklch(63.1% 0.18 18.8)
-
Step 600
600
#CD2A43
oklch(55.6% 0.197 18.9)
-
Step 700
700
#B11935
oklch(49.2% 0.183 18.8)
-
Step 800
800
#8F1A2C
oklch(42.6% 0.151 18.9)
-
Step 900
900
#731E28
oklch(37.6% 0.118 18.4)
-
Step 950
950 (this color)
#33040A
oklch(21% 0.075 18.8)
#33040A 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) | #11100A | 0.083 |
| Deuteranopia (no green cones) | #1D1A09 | 0.076 |
| Tritanopia (no blue cones) | #390006 | 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°).
- #33040A
#33040A
oklch(21% 0.075 18.8)
- #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 #33040A, 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 0.038
- Mahogany #4A0100 ΔE 0.059
- Very Dark Brown #1D0200 ΔE 0.065
- Dark Brown #341C02 ΔE 0.069
- Dark Plum #3F012C ΔE 0.069
- Chocolate Brown #411900 ΔE 0.071
- Eggplant #380835 ΔE 0.080
Use #33040A 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.