#33100A
Closest named color: Dark Maroon (#3C0008). oklch(22.9% 0.058 31.7), rgb(51, 16, 10).
Aa
White text reads best on this color (17.22:1).
About this color
#33100A is a very dark, muted red. In OKLCH its lightness is 23%, its chroma 0.058 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.035 away. White text reads best on it, at 17.22:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | muted (0.058) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.21:1 |
| White text | 17.22:1 |
Values
| HEX | #33100A |
| RGB | rgb(51, 16, 10) |
| HSL | hsl(9, 67%, 12%) |
| OKLCH | oklch(22.9% 0.058 31.7) |
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 #33100A | 17.22:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #33100A | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #33100A text on white | 17.22:1 | AAA | Lc 103.8 | Preferred for body text |
| #33100A text on black | 1.21:1 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F7E5E2
oklch(93.5% 0.02 28.9)
-
Step 200
200
#F1D1CA
oklch(88.6% 0.037 32.4)
-
Step 300
300
#EAB1A5
oklch(81% 0.069 32.1)
-
Step 400
400
#DD8675
oklch(70.8% 0.111 31.8)
-
Step 500
500
#D16451
oklch(63.1% 0.142 31.5)
-
Step 600
600
#BC4835
oklch(55.6% 0.154 31.6)
-
Step 700
700
#A23927
oklch(49.2% 0.143 32.1)
-
Step 800
800
#833022
oklch(42.7% 0.118 31.8)
-
Step 900
900
#6A2B21
oklch(37.6% 0.093 31)
-
Step 950
950 (this color)
#33100A
oklch(22.9% 0.058 31.7)
#33100A 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) | #191609 | 0.060 |
| Deuteranopia (no green cones) | #221E09 | 0.055 |
| Tritanopia (no blue cones) | #39090F | 0.023 |
| Achromatopsia (no color) | #1B1B1B | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33100A
#33100A
oklch(22.9% 0.058 31.7)
- #002127
#002127
oklch(22.7% 0.04 211.9)
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 #33100A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.035
- Deep Brown #410200 ΔE 0.037
- Dark Brown #341C02 ΔE 0.041
- Chocolate Brown #411900 ΔE 0.047
- Mahogany #4A0100 ΔE 0.055
- Jet #212529 ΔE 0.074
- Very Dark Brown #1D0200 ΔE 0.078
- Dark Plum #3F012C ΔE 0.078
Use #33100A 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.