#512D25
Closest named color: Onyx (#343A40). oklch(34.1% 0.055 33.4), rgb(81, 45, 37).
Aa
White text reads best on this color (11.98:1).
About this color
#512D25 is a dark, muted red. In OKLCH its lightness is 34%, its chroma 0.055 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.067 away. White text reads best on it, at 11.98:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | muted (0.055) |
| Temperature | warm |
| Nearest name | Onyx (#343A40) |
| Black text | 1.75:1 |
| White text | 11.98:1 |
Values
| HEX | #512D25 |
| RGB | rgb(81, 45, 37) |
| HSL | hsl(11, 37%, 23%) |
| OKLCH | oklch(34.1% 0.055 33.4) |
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 #512D25 | 11.98:1 | AAA | Lc -100.8 | Preferred for body text |
| Black text on #512D25 | 1.75:1 | Fails | Lc 0.0 | Not readable |
| #512D25 text on white | 11.98:1 | AAA | Lc 97.3 | Preferred for body text |
| #512D25 text on black | 1.75:1 | 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
#F9F4F3
oklch(97.1% 0.006 31.1)
-
Step 100
100
#F2E7E5
oklch(93.6% 0.012 29.9)
-
Step 200
200
#E8D4CF
oklch(88.5% 0.023 34.3)
-
Step 300
300
#DAB8AF
oklch(81% 0.041 35.2)
-
Step 400
400
#C69286
oklch(70.7% 0.066 33.4)
-
Step 500
500
#B77668
oklch(63.1% 0.085 32.8)
-
Step 600
600
#A25E4F
oklch(55.6% 0.093 33.3)
-
Step 700
700
#8B4D40
oklch(49.1% 0.087 32.8)
-
Step 800
800
#714035
oklch(42.8% 0.071 33.5)
-
Step 900
900 (this color)
#512D25
oklch(34.1% 0.055 33.4)
-
Step 950
950
#36201B
oklch(27% 0.036 33.4)
#512D25 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) | #363224 | 0.054 |
| Deuteranopia (no green cones) | #3E3925 | 0.050 |
| Tritanopia (no blue cones) | #58272B | 0.025 |
| Achromatopsia (no color) | #373737 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512D25
#512D25
oklch(34.1% 0.055 33.4)
- #093F49
#093F49
oklch(34% 0.055 213.6)
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 #512D25, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.067
- Purple Brown #673A3F ΔE 0.068
- Charcoal Grey #3C4142 ΔE 0.069
- Reddy Brown #6E1005 ΔE 0.074
- Chocolate Brown #411900 ΔE 0.075
- Chestnut #742802 ΔE 0.076
- Claret #680018 ΔE 0.080
- Gunmetal #293241 ΔE 0.083
Use #512D25 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.