#511A00
Closest named color: Chocolate Brown (#411900). oklch(30.1% 0.09 42.7), rgb(81, 26, 0).
Aa
White text reads best on this color (14.02:1).
About this color
#511A00 is a dark, moderately saturated brown. In OKLCH its lightness is 30%, its chroma 0.090 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.037 away. White text reads best on it, at 14.02:1.
| Hue family | Browns |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.090) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.49:1 |
| White text | 14.02:1 |
Values
| HEX | #511A00 |
| RGB | rgb(81, 26, 0) |
| HSL | hsl(19, 100%, 16%) |
| OKLCH | oklch(30.1% 0.09 42.7) |
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 #511A00 | 14.02:1 | AAA | Lc -103.2 | Preferred for body text |
| Black text on #511A00 | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #511A00 text on white | 14.02:1 | AAA | Lc 100.1 | Preferred for body text |
| #511A00 text on black | 1.49:1 | 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
#FEF3EE
oklch(97.1% 0.014 46.2)
-
Step 100
100
#FDE4DA
oklch(93.6% 0.031 43.1)
-
Step 200
200
#FCCDBB
oklch(88.4% 0.059 42)
-
Step 300
300
#FBAA89
oklch(80.9% 0.106 43)
-
Step 400
400
#F5773F
oklch(70.8% 0.17 42.9)
-
Step 500
500
#E25700
oklch(63.2% 0.188 42.6)
-
Step 600
600
#BE4800
oklch(55.5% 0.165 42.7)
-
Step 700
700
#A13C00
oklch(49.1% 0.146 42.8)
-
Step 800
800
#853000
oklch(42.7% 0.127 42.7)
-
Step 900
900
#702700
oklch(37.7% 0.113 42.6)
-
Step 950
950 (this color)
#511A00
oklch(30.1% 0.09 42.7)
#511A00 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) | #2A2400 | 0.087 |
| Deuteranopia (no green cones) | #383000 | 0.077 |
| Tritanopia (no blue cones) | #5A0A15 | 0.044 |
| Achromatopsia (no color) | #2C2C2C | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511A00
#511A00
oklch(30.1% 0.09 42.7)
- #003442
#003442
oklch(30.1% 0.056 221.9)
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 #511A00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.037
- Mahogany #4A0100 ΔE 0.051
- Dark Brown #341C02 ΔE 0.065
- Reddy Brown #6E1005 ΔE 0.065
- Deep Brown #410200 ΔE 0.066
- Claret #680018 ΔE 0.067
- Burgundy #610023 ΔE 0.072
- Dark Maroon #3C0008 ΔE 0.083
Use #511A00 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.