#51346C
Closest named color: Dark Slate Blue (#483D8B). oklch(38.6% 0.097 306.3), rgb(81, 52, 108).
Aa
White text reads best on this color (10.20:1).
About this color
#51346C is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.097 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.056 away. White text reads best on it, at 10.20:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.05:1 |
| White text | 10.20:1 |
Values
| HEX | #51346C |
| RGB | rgb(81, 52, 108) |
| HSL | hsl(271, 35%, 31%) |
| OKLCH | oklch(38.6% 0.097 306.3) |
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 #51346C | 10.20:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #51346C | 2.05:1 | Fails | Lc 10.4 | Not readable |
| #51346C text on white | 10.20:1 | AAA | Lc 93.5 | Preferred for body text |
| #51346C text on black | 2.05:1 | Fails | Lc -9.0 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE7F5
oklch(93.7% 0.02 305.3)
-
Step 200
200
#E0D3EF
oklch(88.6% 0.04 306.5)
-
Step 300
300
#CCB5E6
oklch(80.9% 0.072 306.1)
-
Step 400
400
#B38DDA
oklch(70.7% 0.116 306.3)
-
Step 500
500
#A06FCF
oklch(63.1% 0.147 306.2)
-
Step 600
600
#8B54BC
oklch(55.5% 0.162 306.3)
-
Step 700
700
#7644A2
oklch(49% 0.15 306.2)
-
Step 800
800
#603983
oklch(42.7% 0.123 306.2)
-
Step 900
900 (this color)
#51346C
oklch(38.6% 0.097 306.3)
-
Step 950
950
#2E1E3E
oklch(27.1% 0.061 305.8)
#51346C 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) | #24406E | 0.074 |
| Deuteranopia (no green cones) | #2C416B | 0.067 |
| Tritanopia (no blue cones) | #4D3E4B | 0.071 |
| Achromatopsia (no color) | #414141 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51346C
#51346C
oklch(38.6% 0.097 306.3)
- #374C03
#374C03
oklch(38.5% 0.096 125.9)
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 #51346C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.056
- Blueberry #464196 ΔE 0.075
- Grape Purple #5D1451 ΔE 0.077
- Rebecca Purple #663399 ΔE 0.084
- Twilight #4E518B ΔE 0.086
- Dark Grey Blue #29465B ΔE 0.088
- Dusk #4E5481 ΔE 0.089
- Twilight Blue #0A437A ΔE 0.093
Use #51346C 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.