#33010D
Closest named color: Dark Maroon (#3C0008). oklch(20.6% 0.08 12.6), rgb(51, 1, 13).
Aa
White text reads best on this color (18.24:1).
About this color
#33010D is a very dark, moderately saturated red. In OKLCH its lightness is 21%, its chroma 0.080 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.025 away. White text reads best on it, at 18.24:1.
| Hue family | Reds |
| Lightness | very dark (21%) |
| Chroma | moderately saturated (0.080) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.15:1 |
| White text | 18.24:1 |
Values
| HEX | #33010D |
| RGB | rgb(51, 1, 13) |
| HSL | hsl(346, 96%, 10%) |
| OKLCH | oklch(20.6% 0.08 12.6) |
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 #33010D | 18.24:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #33010D | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #33010D text on white | 18.24:1 | AAA | Lc 104.1 | Preferred for body text |
| #33010D 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
#FEF2F3
oklch(97.1% 0.013 11.5)
-
Step 100
100
#FCE3E5
oklch(93.7% 0.028 12.1)
-
Step 200
200
#FACCCF
oklch(88.6% 0.052 13.8)
-
Step 300
300
#F7A7B0
oklch(80.8% 0.095 12)
-
Step 400
400
#EF7486
oklch(70.7% 0.152 12.6)
-
Step 500
500
#E54868
oklch(63.1% 0.193 12.8)
-
Step 600
600
#D11A50
oklch(55.7% 0.211 12.7)
-
Step 700
700
#B40141
oklch(49.1% 0.196 12.5)
-
Step 800
800
#920E36
oklch(42.7% 0.162 12.3)
-
Step 900
900
#75192F
oklch(37.6% 0.126 12.2)
-
Step 950
950 (this color)
#33010D
oklch(20.6% 0.08 12.6)
#33010D 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) | #0E0E0D | 0.091 |
| Deuteranopia (no green cones) | #1C190C | 0.081 |
| Tritanopia (no blue cones) | #390005 | 0.020 |
| Achromatopsia (no color) | #151515 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33010D
#33010D
oklch(20.6% 0.08 12.6)
- #001C1C
#001C1C
oklch(20.5% 0.035 194.8)
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 #33010D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.025
- Deep Brown #410200 ΔE 0.044
- Mahogany #4A0100 ΔE 0.063
- Dark Plum #3F012C ΔE 0.064
- Very Dark Brown #1D0200 ΔE 0.066
- Eggplant #380835 ΔE 0.075
- Aubergine #3D0734 ΔE 0.076
- Dark Brown #341C02 ΔE 0.079
Use #33010D 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.