#330B00
Closest named color: Deep Brown (#410200). oklch(21.9% 0.069 39.9), rgb(51, 11, 0).
Aa
White text reads best on this color (17.66:1).
About this color
#330B00 is a very dark, muted red. In OKLCH its lightness is 22%, its chroma 0.069 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.035 away. White text reads best on it, at 17.66:1.
| Hue family | Reds |
| Lightness | very dark (22%) |
| Chroma | muted (0.069) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.18:1 |
| White text | 17.66:1 |
Values
| HEX | #330B00 |
| RGB | rgb(51, 11, 0) |
| HSL | hsl(13, 100%, 10%) |
| OKLCH | oklch(21.9% 0.069 39.9) |
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 #330B00 | 17.66:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #330B00 | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #330B00 text on white | 17.66:1 | AAA | Lc 104.0 | Preferred for body text |
| #330B00 text on black | 1.18:1 | 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F9E5DE
oklch(93.6% 0.024 40.3)
-
Step 200
200
#F5D0C3
oklch(88.6% 0.045 40.3)
-
Step 300
300
#EFAF99
oklch(80.8% 0.082 39.8)
-
Step 400
400
#E48260
oklch(70.6% 0.13 39.8)
-
Step 500
500
#DA5E30
oklch(63.1% 0.167 39.7)
-
Step 600
600
#C34200
oklch(55.6% 0.175 39.8)
-
Step 700
700
#A53700
oklch(49.2% 0.154 40)
-
Step 800
800
#882C00
oklch(42.7% 0.134 40.1)
-
Step 900
900
#6F280A
oklch(37.8% 0.108 40.3)
-
Step 950
950 (this color)
#330B00
oklch(21.9% 0.069 39.9)
#330B00 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) | #171300 | 0.068 |
| Deuteranopia (no green cones) | #211C00 | 0.061 |
| Tritanopia (no blue cones) | #390208 | 0.030 |
| Achromatopsia (no color) | #191919 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #330B00
#330B00
oklch(21.9% 0.069 39.9)
- #001E27
#001E27
oklch(21.8% 0.04 221.1)
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 #330B00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.035
- Dark Maroon #3C0008 ΔE 0.035
- Dark Brown #341C02 ΔE 0.046
- Chocolate Brown #411900 ΔE 0.052
- Mahogany #4A0100 ΔE 0.055
- Very Dark Brown #1D0200 ΔE 0.069
- Jet #212529 ΔE 0.089
- Dark Plum #3F012C ΔE 0.090
Use #330B00 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.