#512F18
Closest named color: Chestnut (#742802). oklch(34.2% 0.061 53.3), rgb(81, 47, 24).
Aa
White text reads best on this color (11.86:1).
About this color
#512F18 is a dark, muted brown. In OKLCH its lightness is 34%, its chroma 0.061 and its hue 53°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.072 away. White text reads best on it, at 11.86:1.
| Hue family | Browns |
| Lightness | dark (34%) |
| Chroma | muted (0.061) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.76:1 |
| White text | 11.86:1 |
Values
| HEX | #512F18 |
| RGB | rgb(81, 47, 24) |
| HSL | hsl(24, 54%, 21%) |
| OKLCH | oklch(34.2% 0.061 53.3) |
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 #512F18 | 11.86:1 | AAA | Lc -100.6 | Preferred for body text |
| Black text on #512F18 | 1.76:1 | Fails | Lc 0.0 | Not readable |
| #512F18 text on white | 11.86:1 | AAA | Lc 97.0 | Preferred for body text |
| #512F18 text on black | 1.76:1 | 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F1E8E2
oklch(93.6% 0.013 56.2)
-
Step 200
200
#E7D5CA
oklch(88.5% 0.025 53.7)
-
Step 300
300
#D9B9A6
oklch(80.8% 0.045 52.5)
-
Step 400
400
#C59476
oklch(70.6% 0.073 52.7)
-
Step 500
500
#B67952
oklch(63.1% 0.094 52.9)
-
Step 600
600
#A16136
oklch(55.5% 0.101 53)
-
Step 700
700
#8A5028
oklch(49.1% 0.095 53.1)
-
Step 800
800
#704222
oklch(42.7% 0.079 53.7)
-
Step 900
900 (this color)
#512F18
oklch(34.2% 0.061 53.3)
-
Step 950
950
#352114
oklch(27% 0.038 53.4)
#512F18 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) | #393316 | 0.048 |
| Deuteranopia (no green cones) | #413A18 | 0.044 |
| Tritanopia (no blue cones) | #59282A | 0.041 |
| Achromatopsia (no color) | #373737 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512F18
#512F18
oklch(34.2% 0.061 53.3)
- #103E53
#103E53
oklch(34.4% 0.061 232.5)
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 #512F18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.072
- Charcoal Grey #3C4142 ΔE 0.073
- Chocolate Brown #411900 ΔE 0.074
- Onyx #343A40 ΔE 0.074
- Dark Olive #373E02 ΔE 0.074
- Purple Brown #673A3F ΔE 0.076
- Reddy Brown #6E1005 ΔE 0.076
- Pakistan Green #283618 ΔE 0.077
Use #512F18 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.