#513619
Closest named color: Mud Brown (#60460F). oklch(35.8% 0.058 66), rgb(81, 54, 25).
Aa
White text reads best on this color (11.10:1).
About this color
#513619 is a dark, muted brown. In OKLCH its lightness is 36%, its chroma 0.058 and its hue 66°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.060 away. White text reads best on it, at 11.10:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | muted (0.058) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 1.89:1 |
| White text | 11.10:1 |
Values
| HEX | #513619 |
| RGB | rgb(81, 54, 25) |
| HSL | hsl(31, 53%, 21%) |
| OKLCH | oklch(35.8% 0.058 66) |
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 #513619 | 11.10:1 | AAA | Lc -99.4 | Preferred for body text |
| Black text on #513619 | 1.89:1 | Fails | Lc 8.4 | Not readable |
| #513619 text on white | 11.10:1 | AAA | Lc 95.5 | Preferred for body text |
| #513619 text on black | 1.89:1 | 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
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#F0E8E1
oklch(93.5% 0.013 63.9)
-
Step 200
200
#E5D6C9
oklch(88.5% 0.024 63.5)
-
Step 300
300
#D5BCA4
oklch(81% 0.043 66)
-
Step 400
400
#BF9872
oklch(70.7% 0.07 65.6)
-
Step 500
500
#AE7E4D
oklch(63% 0.089 65.6)
-
Step 600
600
#99672F
oklch(55.6% 0.096 66.4)
-
Step 700
700
#835522
oklch(49.1% 0.09 65.5)
-
Step 800
800
#6A461E
oklch(42.7% 0.074 66.2)
-
Step 900
900 (this color)
#513619
oklch(35.8% 0.058 66)
-
Step 950
950
#332312
oklch(27.1% 0.037 66.8)
#513619 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) | #3F3816 | 0.036 |
| Deuteranopia (no green cones) | #453E1A | 0.032 |
| Tritanopia (no blue cones) | #58302F | 0.044 |
| Achromatopsia (no color) | #3C3C3C | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513619
#513619
oklch(35.8% 0.058 66)
- #213F59
#213F59
oklch(35.7% 0.058 246.5)
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 #513619, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.060
- Dark Olive #373E02 ΔE 0.062
- Charcoal Grey #3C4142 ΔE 0.065
- Onyx #343A40 ΔE 0.072
- Purple Brown #673A3F ΔE 0.072
- Chestnut #742802 ΔE 0.073
- Pakistan Green #283618 ΔE 0.074
- Green Brown #544E03 ΔE 0.080
Use #513619 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.