#511A2F
Closest named color: Burgundy (#610023). oklch(31.1% 0.085 359.6), rgb(81, 26, 47).
Aa
White text reads best on this color (13.64:1).
About this color
#511A2F is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.085 and its hue 360°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.045 away. White text reads best on it, at 13.64:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.085) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.53:1 |
| White text | 13.64:1 |
Values
| HEX | #511A2F |
| RGB | rgb(81, 26, 47) |
| HSL | hsl(337, 51%, 21%) |
| OKLCH | oklch(31.1% 0.085 359.6) |
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 #511A2F | 13.64:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #511A2F | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #511A2F text on white | 13.64:1 | AAA | Lc 99.7 | Preferred for body text |
| #511A2F text on black | 1.53:1 | 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 950.
-
Step 50
50
#FEF2F5
oklch(97.1% 0.013 0.3)
-
Step 100
100
#FCE2E9
oklch(93.6% 0.03 359.5)
-
Step 200
200
#FACAD8
oklch(88.5% 0.057 359)
-
Step 300
300
#F7A5BE
oklch(80.9% 0.101 359.8)
-
Step 400
400
#EE709D
oklch(70.6% 0.161 359.6)
-
Step 500
500
#E54185
oklch(63.2% 0.206 359.8)
-
Step 600
600
#D0036F
oklch(55.7% 0.225 359.6)
-
Step 700
700
#B0005D
oklch(49.1% 0.199 359.5)
-
Step 800
800
#92004C
oklch(42.8% 0.174 359.6)
-
Step 900
900
#75143F
oklch(37.7% 0.135 359.7)
-
Step 950
950 (this color)
#511A2F
oklch(31.1% 0.085 359.6)
#511A2F 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) | #242730 | 0.094 |
| Deuteranopia (no green cones) | #33322E | 0.087 |
| Tritanopia (no blue cones) | #581522 | 0.026 |
| Achromatopsia (no color) | #2E2E2E | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511A2F
#511A2F
oklch(31.1% 0.085 359.6)
- #003A31
#003A31
oklch(31.2% 0.057 178.5)
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 #511A2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.045
- Claret #680018 ΔE 0.060
- Grape Purple #5D1451 ΔE 0.067
- Aubergine #3D0734 ΔE 0.070
- Deep Violet #490648 ΔE 0.070
- Dark Plum #3F012C ΔE 0.071
- Eggplant Purple #430541 ΔE 0.071
- Mahogany #4A0100 ΔE 0.075
Use #511A2F 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.