#512A2B
Closest named color: Onyx (#343A40). oklch(33.7% 0.058 19), rgb(81, 42, 43).
Aa
White text reads best on this color (12.23:1).
About this color
#512A2B is a dark, muted red. In OKLCH its lightness is 34%, its chroma 0.058 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.068 away. White text reads best on it, at 12.23:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | muted (0.058) |
| Temperature | warm |
| Nearest name | Onyx (#343A40) |
| Black text | 1.71:1 |
| White text | 12.23:1 |
Values
| HEX | #512A2B |
| RGB | rgb(81, 42, 43) |
| HSL | hsl(358, 32%, 24%) |
| OKLCH | oklch(33.7% 0.058 19) |
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 #512A2B | 12.23:1 | AAA | Lc -101.2 | Preferred for body text |
| Black text on #512A2B | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #512A2B text on white | 12.23:1 | AAA | Lc 97.7 | Preferred for body text |
| #512A2B text on black | 1.71:1 | 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
#F2E7E6
oklch(93.6% 0.012 23.7)
-
Step 200
200
#E9D3D3
oklch(88.5% 0.025 17.6)
-
Step 300
300
#DCB6B5
oklch(80.9% 0.044 19.9)
-
Step 400
400
#C88F8F
oklch(70.6% 0.07 19)
-
Step 500
500
#B97374
oklch(63.1% 0.089 18.9)
-
Step 600
600
#A45B5D
oklch(55.6% 0.096 18.9)
-
Step 700
700
#8D4A4C
oklch(49.1% 0.091 19.1)
-
Step 800
800
#723D3F
oklch(42.6% 0.074 18.3)
-
Step 900
900 (this color)
#512A2B
oklch(33.7% 0.058 19)
-
Step 950
950
#361F1F
oklch(26.9% 0.036 19.7)
#512A2B 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) | #32302B | 0.062 |
| Deuteranopia (no green cones) | #3C382A | 0.057 |
| Tritanopia (no blue cones) | #58252B | 0.018 |
| Achromatopsia (no color) | #353535 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512A2B
#512A2B
oklch(33.7% 0.058 19)
- #004042
#004042
oklch(33.7% 0.057 198.3)
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 #512A2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.068
- Purple Brown #673A3F ΔE 0.069
- Burgundy #610023 ΔE 0.073
- Charcoal Grey #3C4142 ΔE 0.073
- Claret #680018 ΔE 0.074
- Reddy Brown #6E1005 ΔE 0.074
- Chocolate Brown #411900 ΔE 0.076
- Gunmetal #293241 ΔE 0.080
Use #512A2B 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.