#513E18
Closest named color: Mud Brown (#60460F). oklch(37.6% 0.06 82.4), rgb(81, 62, 24).
Aa
White text reads best on this color (10.23:1).
About this color
#513E18 is a dark, muted brown. In OKLCH its lightness is 38%, its chroma 0.060 and its hue 82°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.040 away. White text reads best on it, at 10.23:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | muted (0.060) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.05:1 |
| White text | 10.23:1 |
Values
| HEX | #513E18 |
| RGB | rgb(81, 62, 24) |
| HSL | hsl(40, 54%, 21%) |
| OKLCH | oklch(37.6% 0.06 82.4) |
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 #513E18 | 10.23:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #513E18 | 2.05:1 | Fails | Lc 10.3 | Not readable |
| #513E18 text on white | 10.23:1 | AAA | Lc 93.7 | Preferred for body text |
| #513E18 text on black | 2.05:1 | Fails | Lc -8.9 | 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
#F7F5F1
oklch(97.1% 0.006 84.6)
-
Step 100
100
#EEE9E0
oklch(93.5% 0.013 82.4)
-
Step 200
200
#E1D8C7
oklch(88.5% 0.025 83.4)
-
Step 300
300
#CFBEA0
oklch(80.8% 0.045 81.8)
-
Step 400
400
#B79D6C
oklch(70.8% 0.073 82.8)
-
Step 500
500
#A58444
oklch(63.1% 0.092 82.3)
-
Step 600
600
#906D22
oklch(55.6% 0.1 82.5)
-
Step 700
700
#7B5B14
oklch(49.2% 0.093 82.2)
-
Step 800
800
#644A14
oklch(42.7% 0.077 81.7)
-
Step 900
900 (this color)
#513E18
oklch(37.6% 0.06 82.4)
-
Step 950
950
#30250F
oklch(27.2% 0.039 83.1)
#513E18 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) | #463E14 | 0.022 |
| Deuteranopia (no green cones) | #4B4319 | 0.018 |
| Tritanopia (no blue cones) | #583836 | 0.054 |
| Achromatopsia (no color) | #414141 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513E18
#513E18
oklch(37.6% 0.06 82.4)
- #304161
#304161
oklch(37.6% 0.059 262.4)
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 #513E18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.040
- Dark Olive #373E02 ΔE 0.054
- Green Brown #544E03 ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.065
- Purple Brown #673A3F ΔE 0.076
- Pakistan Green #283618 ΔE 0.079
- Onyx #343A40 ΔE 0.079
- Olive Brown #645403 ΔE 0.081
Use #513E18 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.