#512B00
Closest named color: Chocolate Brown (#411900). oklch(33.2% 0.076 61.8), rgb(81, 43, 0).
Aa
White text reads best on this color (12.38:1).
About this color
#512B00 is a dark, moderately saturated brown. In OKLCH its lightness is 33%, its chroma 0.076 and its hue 62°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.064 away. White text reads best on it, at 12.38:1.
| Hue family | Browns |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.076) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.69:1 |
| White text | 12.38:1 |
Values
| HEX | #512B00 |
| RGB | rgb(81, 43, 0) |
| HSL | hsl(32, 100%, 16%) |
| OKLCH | oklch(33.2% 0.076 61.8) |
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 #512B00 | 12.38:1 | AAA | Lc -101.3 | Preferred for body text |
| Black text on #512B00 | 1.69:1 | Fails | Lc 0.0 | Not readable |
| #512B00 text on white | 12.38:1 | AAA | Lc 97.8 | Preferred for body text |
| #512B00 text on black | 1.69:1 | 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 900.
-
Step 50
50
#F9F4F0
oklch(97% 0.008 61.5)
-
Step 100
100
#F2E8DF
oklch(93.6% 0.016 64.7)
-
Step 200
200
#E9D5C4
oklch(88.5% 0.032 62.8)
-
Step 300
300
#DCB99B
oklch(80.9% 0.057 62.5)
-
Step 400
400
#CA9464
oklch(70.8% 0.091 62.2)
-
Step 500
500
#BC7836
oklch(63.2% 0.117 61.8)
-
Step 600
600
#A75F02
oklch(55.6% 0.127 61.9)
-
Step 700
700
#8D4F00
oklch(49.1% 0.113 61.8)
-
Step 800
800
#744001
oklch(42.6% 0.098 61.6)
-
Step 900
900 (this color)
#512B00
oklch(33.2% 0.076 61.8)
-
Step 950
950
#37200B
oklch(26.9% 0.048 60.6)
#512B00 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) | #372F00 | 0.054 |
| Deuteranopia (no green cones) | #403800 | 0.049 |
| Tritanopia (no blue cones) | #5A2223 | 0.055 |
| Achromatopsia (no color) | #343434 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512B00
#512B00
oklch(33.2% 0.076 61.8)
- #033959
#033959
oklch(33% 0.076 242.2)
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 #512B00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.064
- Dark Olive #373E02 ΔE 0.073
- Chestnut #742802 ΔE 0.075
- Reddy Brown #6E1005 ΔE 0.076
- Pakistan Green #283618 ΔE 0.077
- Dark Brown #341C02 ΔE 0.081
- Mud Brown #60460F ΔE 0.085
- Onyx #343A40 ΔE 0.091
Use #512B00 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.