#512D39
Closest named color: Purple Brown (#673A3F). oklch(34.7% 0.055 359), rgb(81, 45, 57).
Aa
White text reads best on this color (11.76:1).
About this color
#512D39 is a dark, muted red. In OKLCH its lightness is 35%, its chroma 0.055 and its hue 359°. 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 11.76:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | muted (0.055) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.78:1 |
| White text | 11.76:1 |
Values
| HEX | #512D39 |
| RGB | rgb(81, 45, 57) |
| HSL | hsl(340, 29%, 25%) |
| OKLCH | oklch(34.7% 0.055 359) |
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 #512D39 | 11.76:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #512D39 | 1.78:1 | Fails | Lc 0.0 | Not readable |
| #512D39 text on white | 11.76:1 | AAA | Lc 96.9 | Preferred for body text |
| #512D39 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
#E7D3D9
oklch(88.5% 0.024 357.4)
-
Step 300
300
#D8B6C0
oklch(80.9% 0.041 358.5)
-
Step 400
400
#C490A0
oklch(70.8% 0.066 358.7)
-
Step 500
500
#B47388
oklch(63% 0.086 359)
-
Step 600
600
#9F5B72
oklch(55.6% 0.093 358.9)
-
Step 700
700
#884B60
oklch(49.2% 0.086 358.7)
-
Step 800
800
#6E3E4E
oklch(42.7% 0.07 359.1)
-
Step 900
900 (this color)
#512D39
oklch(34.7% 0.055 359)
-
Step 950
950
#351F26
oklch(27% 0.036 359.2)
#512D39 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) | #323439 | 0.060 |
| Deuteranopia (no green cones) | #3B3A38 | 0.055 |
| Tritanopia (no blue cones) | #562B31 | 0.016 |
| Achromatopsia (no color) | #383838 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512D39
#512D39
oklch(34.7% 0.055 359)
- #10433A
#10433A
oklch(34.7% 0.055 178.6)
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 #512D39, 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 0.074
- Burgundy #610023 ΔE 0.079
- Grape Purple #5D1451 ΔE 0.079
- Claret #680018 ΔE 0.084
Use #512D39 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.