#512973
Closest named color: Dark Slate Blue (#483D8B). oklch(37.2% 0.125 306.1), rgb(81, 41, 115).
Aa
White text reads best on this color (10.96:1).
About this color
#512973 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.125 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 0.061 away. White text reads best on it, at 10.96:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.91:1 |
| White text | 10.96:1 |
Values
| HEX | #512973 |
| RGB | rgb(81, 41, 115) |
| HSL | hsl(272, 47%, 31%) |
| OKLCH | oklch(37.2% 0.125 306.1) |
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 #512973 | 10.96:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #512973 | 1.91:1 | Fails | Lc 9.0 | Not readable |
| #512973 text on white | 10.96:1 | AAA | Lc 95.0 | Preferred for body text |
| #512973 text on black | 1.91:1 | Fails | Lc -7.7 | 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
#F7F3FC
oklch(97% 0.013 306)
-
Step 100
100
#EEE6F9
oklch(93.7% 0.027 304.8)
-
Step 200
200
#E1D1F5
oklch(88.5% 0.052 305.4)
-
Step 300
300
#D0B1F1
oklch(80.9% 0.094 306.5)
-
Step 400
400
#B886E9
oklch(70.7% 0.148 306.2)
-
Step 500
500
#A763E3
oklch(63.1% 0.191 306.2)
-
Step 600
600
#9245D0
oklch(55.5% 0.207 306.1)
-
Step 700
700
#7D35B4
oklch(49.1% 0.193 306.4)
-
Step 800
800
#652E92
oklch(42.7% 0.159 305.9)
-
Step 900
900 (this color)
#512973
oklch(37.2% 0.125 306.1)
-
Step 950
950
#301A44
oklch(27% 0.078 306)
#512973 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) | #023B75 | 0.105 |
| Deuteranopia (no green cones) | #1A3D71 | 0.094 |
| Tritanopia (no blue cones) | #4B384A | 0.089 |
| Achromatopsia (no color) | #3C3C3C | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512973
#512973
oklch(37.2% 0.125 306.1)
- #344900
#344900
oklch(37.4% 0.095 126.1)
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 #512973, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.061
- Indigo #4B0082 ΔE 0.065
- Royal Purple #4B006E ΔE 0.065
- Grape Purple #5D1451 ΔE 0.071
- Rebecca Purple #663399 ΔE 0.077
- Blueberry #464196 ΔE 0.079
- Plum Purple #4E0550 ΔE 0.084
- Rich Purple #720058 ΔE 0.093
Use #512973 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.