#51164C
Closest named color: Grape Purple (#5D1451). oklch(32% 0.112 331.4), rgb(81, 22, 76).
Aa
White text reads best on this color (13.38:1).
About this color
#51164C is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.112 and its hue 331°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.027 away. White text reads best on it, at 13.38:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.56:1 |
| White text | 13.38:1 |
Values
| HEX | #51164C |
| RGB | rgb(81, 22, 76) |
| HSL | hsl(305, 57%, 20%) |
| OKLCH | oklch(32% 0.112 331.4) |
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 #51164C | 13.38:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #51164C | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #51164C text on white | 13.38:1 | AAA | Lc 99.1 | Preferred for body text |
| #51164C text on black | 1.56:1 | 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
#FDF1FB
oklch(97% 0.018 331.1)
-
Step 100
100
#FAE1F6
oklch(93.6% 0.039 331.1)
-
Step 200
200
#F7C8F0
oklch(88.6% 0.074 331.2)
-
Step 300
300
#F2A0E7
oklch(80.9% 0.132 331.6)
-
Step 400
400
#E864DB
oklch(70.7% 0.212 331.5)
-
Step 500
500
#DD1FD1
oklch(63% 0.271 331.3)
-
Step 600
600
#BE00B3
oklch(55.6% 0.251 331.5)
-
Step 700
700
#A10098
oklch(49.2% 0.223 331.4)
-
Step 800
800
#85007D
oklch(42.8% 0.193 331.6)
-
Step 900
900
#700069
oklch(37.8% 0.171 331.6)
-
Step 950
950 (this color)
#51164C
oklch(32% 0.112 331.4)
#51164C 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) | #122A4E | 0.119 |
| Deuteranopia (no green cones) | #27324A | 0.103 |
| Tritanopia (no blue cones) | #551C2F | 0.059 |
| Achromatopsia (no color) | #2F2F2F | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51164C
#51164C
oklch(32% 0.112 331.4)
- #003E1B
#003E1B
oklch(31.9% 0.084 151.7)
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 #51164C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.027
- Plum Purple #4E0550 ΔE 0.029
- Deep Violet #490648 ΔE 0.034
- Eggplant Purple #430541 ΔE 0.048
- Aubergine #3D0734 ΔE 0.068
- Royal Purple #4B006E ΔE 0.071
- Rich Purple #720058 ΔE 0.074
- Eggplant #380835 ΔE 0.076
Use #51164C 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.