#511F3B
Closest named color: Grape Purple (#5D1451). oklch(32.3% 0.083 348), rgb(81, 31, 59).
Aa
White text reads best on this color (13.05:1).
About this color
#511F3B is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.083 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.052 away. White text reads best on it, at 13.05:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.083) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.60:1 |
| White text | 13.05:1 |
Values
| HEX | #511F3B |
| RGB | rgb(81, 31, 59) |
| HSL | hsl(326, 45%, 22%) |
| OKLCH | oklch(32.3% 0.083 348) |
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 #511F3B | 13.05:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #511F3B | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #511F3B text on white | 13.05:1 | AAA | Lc 98.9 | Preferred for body text |
| #511F3B text on black | 1.60:1 | 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
#FDF2F7
oklch(97.1% 0.013 347.9)
-
Step 100
100
#F9E3ED
oklch(93.6% 0.027 348.3)
-
Step 200
200
#F6CBDF
oklch(88.5% 0.055 348.6)
-
Step 300
300
#F1A7CC
oklch(81% 0.098 348.1)
-
Step 400
400
#E673B2
oklch(70.7% 0.159 347.9)
-
Step 500
500
#DB489E
oklch(63.2% 0.201 348.3)
-
Step 600
600
#C61C89
oklch(55.6% 0.219 348.2)
-
Step 700
700
#AA0574
oklch(49% 0.203 348.1)
-
Step 800
800
#8A105F
oklch(42.7% 0.168 347.8)
-
Step 900
900
#6F194E
oklch(37.6% 0.131 347.5)
-
Step 950
950 (this color)
#511F3B
oklch(32.3% 0.083 348)
#511F3B 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) | #242B3C | 0.091 |
| Deuteranopia (no green cones) | #32343A | 0.082 |
| Tritanopia (no blue cones) | #571E2A | 0.032 |
| Achromatopsia (no color) | #313131 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511F3B
#511F3B
oklch(32.3% 0.083 348)
- #003E2D
#003E2D
oklch(32.3% 0.066 167.9)
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 #511F3B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.052
- Burgundy #610023 ΔE 0.058
- Deep Violet #490648 ΔE 0.063
- Plum Purple #4E0550 ΔE 0.066
- Eggplant Purple #430541 ΔE 0.068
- Claret #680018 ΔE 0.074
- Aubergine #3D0734 ΔE 0.074
- Merlot #730039 ΔE 0.076
Use #511F3B 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.