#512E2D
Closest named color: Onyx (#343A40). oklch(34.5% 0.052 21.8), rgb(81, 46, 45).
Aa
White text reads best on this color (11.80:1).
About this color
#512E2D is a dark, muted red. In OKLCH its lightness is 34%, its chroma 0.052 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.062 away. White text reads best on it, at 11.80:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | muted (0.052) |
| Temperature | warm |
| Nearest name | Onyx (#343A40) |
| Black text | 1.77:1 |
| White text | 11.80:1 |
Values
| HEX | #512E2D |
| RGB | rgb(81, 46, 45) |
| HSL | hsl(2, 29%, 25%) |
| OKLCH | oklch(34.5% 0.052 21.8) |
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 #512E2D | 11.80:1 | AAA | Lc -100.6 | Preferred for body text |
| Black text on #512E2D | 1.77:1 | Fails | Lc 0.0 | Not readable |
| #512E2D text on white | 11.80:1 | AAA | Lc 96.9 | Preferred for body text |
| #512E2D text on black | 1.77:1 | 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
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F1E7E6
oklch(93.6% 0.011 24.3)
-
Step 200
200
#E7D4D3
oklch(88.5% 0.021 21.2)
-
Step 300
300
#D9B7B5
oklch(80.8% 0.039 22)
-
Step 400
400
#C5928F
oklch(70.8% 0.062 22.6)
-
Step 500
500
#B57674
oklch(63.1% 0.08 21.6)
-
Step 600
600
#A05E5C
oklch(55.6% 0.087 22.1)
-
Step 700
700
#894D4C
oklch(49.1% 0.081 21.5)
-
Step 800
800
#6F403E
oklch(42.7% 0.066 22.8)
-
Step 900
900 (this color)
#512E2D
oklch(34.5% 0.052 21.8)
-
Step 950
950
#35201F
oklch(27% 0.033 22.5)
#512E2D 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) | #35332D | 0.055 |
| Deuteranopia (no green cones) | #3E3A2C | 0.050 |
| Tritanopia (no blue cones) | #582A2E | 0.017 |
| Achromatopsia (no color) | #383838 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512E2D
#512E2D
oklch(34.5% 0.052 21.8)
- #0E4145
#0E4145
oklch(34.5% 0.052 202.8)
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 #512E2D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.062
- Purple Brown #673A3F ΔE 0.062
- Charcoal Grey #3C4142 ΔE 0.064
- Gunmetal #293241 ΔE 0.078
- Reddy Brown #6E1005 ΔE 0.078
- Chestnut #742802 ΔE 0.080
- Space Cadet #2B2D42 ΔE 0.081
- Claret #680018 ΔE 0.082
Use #512E2D 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.