#511E00
Closest named color: Chocolate Brown (#411900). oklch(30.8% 0.086 46.3), rgb(81, 30, 0).
Aa
White text reads best on this color (13.67:1).
About this color
#511E00 is a dark, moderately saturated brown. In OKLCH its lightness is 31%, its chroma 0.086 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.041 away. White text reads best on it, at 13.67:1.
| Hue family | Browns |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.086) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.53:1 |
| White text | 13.67:1 |
Values
| HEX | #511E00 |
| RGB | rgb(81, 30, 0) |
| HSL | hsl(22, 100%, 16%) |
| OKLCH | oklch(30.8% 0.086 46.3) |
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 #511E00 | 13.67:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #511E00 | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #511E00 text on white | 13.67:1 | AAA | Lc 99.7 | Preferred for body text |
| #511E00 text on black | 1.53:1 | 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
#FCE4DA
oklch(93.6% 0.03 44)
-
Step 200
200
#FACEBA
oklch(88.4% 0.057 45.8)
-
Step 300
300
#F8AC88
oklch(80.9% 0.102 46.2)
-
Step 400
400
#F07B3C
oklch(70.6% 0.163 46.4)
-
Step 500
500
#DB5E00
oklch(63% 0.176 46.3)
-
Step 600
600
#B94E00
oklch(55.5% 0.156 46.2)
-
Step 700
700
#9D4100
oklch(49.2% 0.138 46.2)
-
Step 800
800
#813400
oklch(42.6% 0.119 46.2)
-
Step 900
900
#6D2B00
oklch(37.8% 0.106 46.3)
-
Step 950
950 (this color)
#511E00
oklch(30.8% 0.086 46.3)
#511E00 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) | #2D2600 | 0.079 |
| Deuteranopia (no green cones) | #393200 | 0.072 |
| Tritanopia (no blue cones) | #5A1118 | 0.046 |
| Achromatopsia (no color) | #2E2E2E | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511E00
#511E00
oklch(30.8% 0.086 46.3)
- #003546
#003546
oklch(30.7% 0.059 226.3)
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 #511E00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.041
- Mahogany #4A0100 ΔE 0.060
- Reddy Brown #6E1005 ΔE 0.066
- Dark Brown #341C02 ΔE 0.066
- Claret #680018 ΔE 0.071
- Deep Brown #410200 ΔE 0.074
- Burgundy #610023 ΔE 0.077
- Chestnut #742802 ΔE 0.084
Use #511E00 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.