#291B01
Closest named color: Dark Brown (#341C02). oklch(23.4% 0.047 80.8), rgb(41, 27, 1).
Aa
White text reads best on this color (16.77:1).
About this color
#291B01 is a very dark, muted brown. In OKLCH its lightness is 23%, its chroma 0.047 and its hue 81°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.025 away. White text reads best on it, at 16.77:1.
| Hue family | Browns |
| Lightness | very dark (23%) |
| Chroma | muted (0.047) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.25:1 |
| White text | 16.77:1 |
Values
| HEX | #291B01 |
| RGB | rgb(41, 27, 1) |
| HSL | hsl(39, 95%, 8%) |
| OKLCH | oklch(23.4% 0.047 80.8) |
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 #291B01 | 16.77:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #291B01 | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #291B01 text on white | 16.77:1 | AAA | Lc 103.6 | Preferred for body text |
| #291B01 text on black | 1.25:1 | 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
#F8F5F0
oklch(97.1% 0.007 80.7)
-
Step 100
100
#EFE9DE
oklch(93.6% 0.016 82.8)
-
Step 200
200
#E4D7C3
oklch(88.4% 0.03 78.8)
-
Step 300
300
#D3BD99
oklch(80.8% 0.054 80)
-
Step 400
400
#BD9B5E
oklch(70.7% 0.089 81.1)
-
Step 500
500
#AC812B
oklch(63% 0.113 80.9)
-
Step 600
600
#956B00
oklch(55.6% 0.115 81.4)
-
Step 700
700
#7E5900
oklch(49% 0.101 80.5)
-
Step 800
800
#684900
oklch(42.8% 0.089 80.7)
-
Step 900
900
#563D07
oklch(37.8% 0.074 80.7)
-
Step 950
950 (this color)
#291B01
oklch(23.4% 0.047 80.8)
#291B01 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) | #211B00 | 0.018 |
| Deuteranopia (no green cones) | #241F02 | 0.016 |
| Tritanopia (no blue cones) | #2E1716 | 0.042 |
| Achromatopsia (no color) | #1D1D1D | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #291B01
#291B01
oklch(23.4% 0.047 80.8)
- #111E34
#111E34
oklch(23.6% 0.046 260.4)
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 #291B01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.025
- Chocolate Brown #411900 ΔE 0.054
- Jet #212529 ΔE 0.063
- Deep Brown #410200 ΔE 0.074
- Very Dark Green #062E03 ΔE 0.078
- Dark #1B2431 ΔE 0.078
- Dark Forest Green #002D04 ΔE 0.079
- Dark Maroon #3C0008 ΔE 0.079
Use #291B01 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.