#3B1F05
Closest named color: Chocolate Brown (#411900). oklch(27.2% 0.057 59.4), rgb(59, 31, 5).
Aa
White text reads best on this color (15.17:1).
About this color
#3B1F05 is a dark, muted brown. In OKLCH its lightness is 27%, its chroma 0.057 and its hue 59°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.019 away. White text reads best on it, at 15.17:1.
| Hue family | Browns |
| Lightness | dark (27%) |
| Chroma | muted (0.057) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.38:1 |
| White text | 15.17:1 |
Values
| HEX | #3B1F05 |
| RGB | rgb(59, 31, 5) |
| HSL | hsl(29, 84%, 13%) |
| OKLCH | oklch(27.2% 0.057 59.4) |
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 #3B1F05 | 15.17:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #3B1F05 | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #3B1F05 text on white | 15.17:1 | AAA | Lc 101.9 | Preferred for body text |
| #3B1F05 text on black | 1.38:1 | 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
#FAF4F0
oklch(97.1% 0.008 56.3)
-
Step 100
100
#F4E7DD
oklch(93.6% 0.02 60.2)
-
Step 200
200
#EDD4C1
oklch(88.6% 0.038 59.5)
-
Step 300
300
#E2B795
oklch(80.9% 0.068 60)
-
Step 400
400
#D28F58
oklch(70.6% 0.108 59.1)
-
Step 500
500
#C5721C
oklch(63.1% 0.139 59.9)
-
Step 600
600
#AA5D00
oklch(55.7% 0.131 59.4)
-
Step 700
700
#8F4D00
oklch(49% 0.116 59.2)
-
Step 800
800
#763F00
oklch(42.7% 0.101 59.7)
-
Step 900
900
#633400
oklch(37.8% 0.089 59.7)
-
Step 950
950 (this color)
#3B1F05
oklch(27.2% 0.057 59.4)
#3B1F05 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) | #282203 | 0.042 |
| Deuteranopia (no green cones) | #2E2805 | 0.038 |
| Tritanopia (no blue cones) | #41191A | 0.040 |
| Achromatopsia (no color) | #262626 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B1F05
#3B1F05
oklch(27.2% 0.057 59.4)
- #042A40
#042A40
oklch(27.2% 0.058 239.8)
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 #3B1F05, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.019
- Dark Brown #341C02 ΔE 0.019
- Deep Brown #410200 ΔE 0.062
- Mahogany #4A0100 ΔE 0.063
- Jet #212529 ΔE 0.068
- Dark Maroon #3C0008 ΔE 0.075
- Pakistan Green #283618 ΔE 0.075
- Dark #1B2431 ΔE 0.085
Use #3B1F05 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.