#3B1403
Closest named color: Chocolate Brown (#411900). oklch(25% 0.068 43.1), rgb(59, 20, 3).
Aa
White text reads best on this color (16.31:1).
About this color
#3B1403 is a very dark, muted brown. In OKLCH its lightness is 25%, its chroma 0.068 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.022 away. White text reads best on it, at 16.31:1.
| Hue family | Browns |
| Lightness | very dark (25%) |
| Chroma | muted (0.068) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.28:1 |
| White text | 16.31:1 |
Values
| HEX | #3B1403 |
| RGB | rgb(59, 20, 3) |
| HSL | hsl(18, 90%, 12%) |
| OKLCH | oklch(25% 0.068 43.1) |
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 #3B1403 | 16.31:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #3B1403 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #3B1403 text on white | 16.31:1 | AAA | Lc 102.9 | Preferred for body text |
| #3B1403 text on black | 1.28:1 | 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
#F8E5DE
oklch(93.5% 0.023 41.4)
-
Step 200
200
#F4D0C2
oklch(88.4% 0.045 42.4)
-
Step 300
300
#EEB097
oklch(80.9% 0.081 42.9)
-
Step 400
400
#E2845C
oklch(70.6% 0.128 43.4)
-
Step 500
500
#D86128
oklch(63.2% 0.164 43.2)
-
Step 600
600
#BE4900
oklch(55.6% 0.165 43.1)
-
Step 700
700
#A03C00
oklch(49% 0.145 43)
-
Step 800
800
#843100
oklch(42.7% 0.125 43.5)
-
Step 900
900
#6E2905
oklch(37.7% 0.107 42.9)
-
Step 950
950 (this color)
#3B1403
oklch(25% 0.068 43.1)
#3B1403 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) | #1F1A01 | 0.065 |
| Deuteranopia (no green cones) | #292302 | 0.058 |
| Tritanopia (no blue cones) | #420B10 | 0.033 |
| Achromatopsia (no color) | #202020 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B1403
#3B1403
oklch(25% 0.068 43.1)
- #002632
#002632
oklch(25% 0.047 223.9)
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 #3B1403, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.022
- Dark Brown #341C02 ΔE 0.026
- Deep Brown #410200 ΔE 0.034
- Mahogany #4A0100 ΔE 0.042
- Dark Maroon #3C0008 ΔE 0.046
- Jet #212529 ΔE 0.077
- Dark Plum #3F012C ΔE 0.089
- Dark #1B2431 ΔE 0.092
Use #3B1403 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.