#513B16
Closest named color: Mud Brown (#60460F). oklch(36.9% 0.061 77.8), rgb(81, 59, 22).
Aa
White text reads best on this color (10.56:1).
About this color
#513B16 is a dark, muted brown. In OKLCH its lightness is 37%, its chroma 0.061 and its hue 78°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.047 away. White text reads best on it, at 10.56:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | muted (0.061) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 1.98:1 |
| White text | 10.56:1 |
Values
| HEX | #513B16 |
| RGB | rgb(81, 59, 22) |
| HSL | hsl(38, 57%, 20%) |
| OKLCH | oklch(36.9% 0.061 77.8) |
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 #513B16 | 10.56:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #513B16 | 1.98:1 | Fails | Lc 9.5 | Not readable |
| #513B16 text on white | 10.56:1 | AAA | Lc 94.4 | Preferred for body text |
| #513B16 text on black | 1.98:1 | Fails | Lc -8.2 | 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
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#EFE9E0
oklch(93.6% 0.014 78.3)
-
Step 200
200
#E3D7C7
oklch(88.4% 0.025 75.3)
-
Step 300
300
#D1BEA0
oklch(81% 0.046 79.2)
-
Step 400
400
#BA9B6C
oklch(70.6% 0.073 77.5)
-
Step 500
500
#A98244
oklch(63.1% 0.093 77.3)
-
Step 600
600
#946B22
oklch(55.7% 0.101 77.8)
-
Step 700
700
#7E5914
oklch(49.1% 0.094 77.7)
-
Step 800
800
#664914
oklch(42.7% 0.078 78.4)
-
Step 900
900 (this color)
#513B16
oklch(36.9% 0.061 77.8)
-
Step 950
950
#31240F
oklch(27% 0.039 77.9)
#513B16 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) | #433C12 | 0.027 |
| Deuteranopia (no green cones) | #494117 | 0.022 |
| Tritanopia (no blue cones) | #583533 | 0.052 |
| Achromatopsia (no color) | #3F3F3F | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513B16
#513B16
oklch(36.9% 0.061 77.8)
- #2B405F
#2B405F
oklch(36.9% 0.06 258)
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 #513B16, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.047
- Dark Olive #373E02 ΔE 0.054
- Green Brown #544E03 ΔE 0.064
- Charcoal Grey #3C4142 ΔE 0.066
- Pakistan Green #283618 ΔE 0.076
- Purple Brown #673A3F ΔE 0.076
- Onyx #343A40 ΔE 0.077
- Chestnut #742802 ΔE 0.078
Use #513B16 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.