#512D37
Closest named color: Purple Brown (#673A3F). oklch(34.6% 0.055 2.4), rgb(81, 45, 55).
Aa
White text reads best on this color (11.79:1).
About this color
#512D37 is a dark, muted red. In OKLCH its lightness is 35%, its chroma 0.055 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.061 away. White text reads best on it, at 11.79:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | muted (0.055) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.78:1 |
| White text | 11.79:1 |
Values
| HEX | #512D37 |
| RGB | rgb(81, 45, 55) |
| HSL | hsl(343, 29%, 25%) |
| OKLCH | oklch(34.6% 0.055 2.4) |
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 #512D37 | 11.79:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #512D37 | 1.78:1 | Fails | Lc 0.0 | Not readable |
| #512D37 text on white | 11.79:1 | AAA | Lc 96.9 | Preferred for body text |
| #512D37 text on black | 1.78:1 | 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
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F1E7E9
oklch(93.6% 0.011 3.5)
-
Step 200
200
#E7D3D8
oklch(88.5% 0.023 0.6)
-
Step 300
300
#D9B6BE
oklch(80.9% 0.042 2.7)
-
Step 400
400
#C4909D
oklch(70.7% 0.065 2.4)
-
Step 500
500
#B47485
oklch(63.1% 0.083 2.5)
-
Step 600
600
#9F5C6F
oklch(55.6% 0.09 2.2)
-
Step 700
700
#884B5C
oklch(49.1% 0.085 2.8)
-
Step 800
800
#6F3E4C
oklch(42.8% 0.071 2.1)
-
Step 900
900 (this color)
#512D37
oklch(34.6% 0.055 2.4)
-
Step 950
950
#351F25
oklch(27% 0.035 2)
#512D37 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) | #323437 | 0.060 |
| Deuteranopia (no green cones) | #3B3A36 | 0.055 |
| Tritanopia (no blue cones) | #572A31 | 0.015 |
| Achromatopsia (no color) | #383838 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512D37
#512D37
oklch(34.6% 0.055 2.4)
- #0F433C
#0F433C
oklch(34.7% 0.055 182.2)
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 #512D37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.061
- Onyx #343A40 ΔE 0.061
- Charcoal Grey #3C4142 ΔE 0.066
- Gunmetal #293241 ΔE 0.074
- Space Cadet #2B2D42 ΔE 0.075
- Burgundy #610023 ΔE 0.079
- Grape Purple #5D1451 ΔE 0.082
- Claret #680018 ΔE 0.083
Use #512D37 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.