#512B2F
Closest named color: Onyx (#343A40). oklch(34% 0.056 13.8), rgb(81, 43, 47).
Aa
White text reads best on this color (12.09:1).
About this color
#512B2F is a dark, muted red. In OKLCH its lightness is 34%, its chroma 0.056 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.065 away. White text reads best on it, at 12.09:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | muted (0.056) |
| Temperature | warm |
| Nearest name | Onyx (#343A40) |
| Black text | 1.73:1 |
| White text | 12.09:1 |
Values
| HEX | #512B2F |
| RGB | rgb(81, 43, 47) |
| HSL | hsl(354, 31%, 24%) |
| OKLCH | oklch(34% 0.056 13.8) |
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 #512B2F | 12.09:1 | AAA | Lc -101.0 | Preferred for body text |
| Black text on #512B2F | 1.73:1 | Fails | Lc 0.0 | Not readable |
| #512B2F text on white | 12.09:1 | AAA | Lc 97.4 | Preferred for body text |
| #512B2F text on black | 1.73:1 | 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
#F2E7E7
oklch(93.7% 0.012 17.4)
-
Step 200
200
#E8D3D4
oklch(88.4% 0.023 14.3)
-
Step 300
300
#DBB6B8
oklch(80.9% 0.043 14.4)
-
Step 400
400
#C79094
oklch(70.8% 0.067 14.1)
-
Step 500
500
#B8737A
oklch(63.1% 0.088 13.3)
-
Step 600
600
#A35B63
oklch(55.6% 0.095 13.5)
-
Step 700
700
#8B4B52
oklch(49.2% 0.087 13.8)
-
Step 800
800
#713D43
oklch(42.6% 0.073 13.3)
-
Step 900
900 (this color)
#512B2F
oklch(34% 0.056 13.8)
-
Step 950
950
#361F21
oklch(27% 0.036 14.1)
#512B2F 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) | #32312F | 0.061 |
| Deuteranopia (no green cones) | #3C392E | 0.057 |
| Tritanopia (no blue cones) | #57272D | 0.015 |
| Achromatopsia (no color) | #363636 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512B2F
#512B2F
oklch(34% 0.056 13.8)
- #034140
#034140
oklch(34% 0.057 193)
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 #512B2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.065
- Purple Brown #673A3F ΔE 0.066
- Charcoal Grey #3C4142 ΔE 0.070
- Burgundy #610023 ΔE 0.074
- Claret #680018 ΔE 0.076
- Reddy Brown #6E1005 ΔE 0.077
- Gunmetal #293241 ΔE 0.077
- Space Cadet #2B2D42 ΔE 0.078
Use #512B2F 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.