#513D09
Closest named color: Mud Brown (#60460F). oklch(37.2% 0.071 85.7), rgb(81, 61, 9).
Aa
White text reads best on this color (10.38:1).
About this color
#513D09 is a dark, moderately saturated brown. In OKLCH its lightness is 37%, its chroma 0.071 and its hue 86°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.041 away. White text reads best on it, at 10.38:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.071) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.02:1 |
| White text | 10.38:1 |
Values
| HEX | #513D09 |
| RGB | rgb(81, 61, 9) |
| HSL | hsl(43, 80%, 18%) |
| OKLCH | oklch(37.2% 0.071 85.7) |
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 #513D09 | 10.38:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #513D09 | 2.02:1 | Fails | Lc 9.9 | Not readable |
| #513D09 text on white | 10.38:1 | AAA | Lc 94.0 | Preferred for body text |
| #513D09 text on black | 2.02:1 | Fails | Lc -8.6 | 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
#F7F5F0
oklch(97% 0.007 88.6)
-
Step 100
100
#EEE9DF
oklch(93.5% 0.014 84.6)
-
Step 200
200
#E2D8C4
oklch(88.5% 0.029 84.6)
-
Step 300
300
#D0BF9A
oklch(80.9% 0.053 86.2)
-
Step 400
400
#B89D61
oklch(70.7% 0.085 86.1)
-
Step 500
500
#A78431
oklch(63.1% 0.108 85.5)
-
Step 600
600
#916D00
oklch(55.6% 0.114 85.6)
-
Step 700
700
#7A5B00
oklch(49% 0.1 85.4)
-
Step 800
800
#644B00
oklch(42.8% 0.087 86.6)
-
Step 900
900 (this color)
#513D09
oklch(37.2% 0.071 85.7)
-
Step 950
950
#302509
oklch(27.1% 0.045 87.3)
#513D09 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) | #463D01 | 0.023 |
| Deuteranopia (no green cones) | #4B420C | 0.018 |
| Tritanopia (no blue cones) | #593633 | 0.064 |
| Achromatopsia (no color) | #404040 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513D09
#513D09
oklch(37.2% 0.071 85.7)
- #2E3F66
#2E3F66
oklch(37.3% 0.071 265.3)
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 #513D09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.041
- Dark Olive #373E02 ΔE 0.048
- Green Brown #544E03 ΔE 0.054
- Charcoal Grey #3C4142 ΔE 0.075
- Pakistan Green #283618 ΔE 0.078
- Navy Green #35530A ΔE 0.079
- Olive Brown #645403 ΔE 0.080
- Chestnut #742802 ΔE 0.083
Use #513D09 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.