#512E40
Closest named color: Purple Brown (#673A3F). oklch(35.2% 0.058 348.3), rgb(81, 46, 64).
Aa
White text reads best on this color (11.57:1).
About this color
#512E40 is a dark, muted red. In OKLCH its lightness is 35%, its chroma 0.058 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.060 away. White text reads best on it, at 11.57:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | muted (0.058) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.81:1 |
| White text | 11.57:1 |
Values
| HEX | #512E40 |
| RGB | rgb(81, 46, 64) |
| HSL | hsl(329, 28%, 25%) |
| OKLCH | oklch(35.2% 0.058 348.3) |
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 #512E40 | 11.57:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #512E40 | 1.81:1 | Fails | Lc 7.4 | Not readable |
| #512E40 text on white | 11.57:1 | AAA | Lc 96.5 | Preferred for body text |
| #512E40 text on black | 1.81:1 | 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
#F9F4F6
oklch(97.2% 0.006 350.8)
-
Step 100
100
#F1E7EB
oklch(93.7% 0.012 351)
-
Step 200
200
#E6D3DC
oklch(88.5% 0.024 347.2)
-
Step 300
300
#D7B6C5
oklch(80.9% 0.043 349)
-
Step 400
400
#C28FA8
oklch(70.7% 0.07 348.1)
-
Step 500
500
#B17393
oklch(63% 0.088 347.7)
-
Step 600
600
#9C5B7D
oklch(55.6% 0.096 348)
-
Step 700
700
#854B69
oklch(49.1% 0.088 348.5)
-
Step 800
800
#6D3D56
oklch(42.7% 0.075 348.2)
-
Step 900
900 (this color)
#512E40
oklch(35.2% 0.058 348.3)
-
Step 950
950
#341F29
oklch(27% 0.036 349.8)
#512E40 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) | #313541 | 0.061 |
| Deuteranopia (no green cones) | #3A3B3F | 0.056 |
| Tritanopia (no blue cones) | #562D34 | 0.022 |
| Achromatopsia (no color) | #393939 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512E40
#512E40
oklch(35.2% 0.058 348.3)
- #164435
#164435
oklch(35% 0.057 168.3)
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 #512E40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.060
- Onyx #343A40 ΔE 0.062
- Charcoal Grey #3C4142 ΔE 0.066
- Grape Purple #5D1451 ΔE 0.073
- Space Cadet #2B2D42 ΔE 0.073
- Gunmetal #293241 ΔE 0.073
- Burgundy #610023 ΔE 0.084
- Dark Blue Grey #1F3B4D ΔE 0.086
Use #512E40 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.