#512F97
Closest named color: Dark Slate Blue (#483D8B). oklch(40.9% 0.16 292.9), rgb(81, 47, 151).
Aa
White text reads best on this color (9.53:1).
About this color
#512F97 is a dark, vivid purple. In OKLCH its lightness is 41%, its chroma 0.160 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.040 away. White text reads best on it, at 9.53:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.20:1 |
| White text | 9.53:1 |
Values
| HEX | #512F97 |
| RGB | rgb(81, 47, 151) |
| HSL | hsl(260, 53%, 39%) |
| OKLCH | oklch(40.9% 0.16 292.9) |
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 #512F97 | 9.53:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #512F97 | 2.20:1 | Fails | Lc 12.5 | Not readable |
| #512F97 text on white | 9.53:1 | AAA | Lc 91.5 | Preferred for body text |
| #512F97 text on black | 2.20:1 | Fails | Lc -10.9 | 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 800.
-
Step 50
50
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#EAE7FB
oklch(93.6% 0.027 292.8)
-
Step 200
200
#DAD3F9
oklch(88.4% 0.052 293.7)
-
Step 300
300
#C2B6F8
oklch(80.9% 0.093 292.5)
-
Step 400
400
#A58CF5
oklch(70.6% 0.151 293.1)
-
Step 500
500
#916CF1
oklch(63.2% 0.192 292.9)
-
Step 600
600
#7D4FDF
oklch(55.7% 0.208 293.1)
-
Step 700
700
#693EC2
oklch(49.1% 0.194 292.8)
-
Step 800
800 (this color)
#512F97
oklch(40.9% 0.16 292.9)
-
Step 900
900
#462F7D
oklch(37.7% 0.126 292.9)
-
Step 950
950
#291D49
oklch(27.1% 0.079 293)
#512F97 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) | #00479A | 0.095 |
| Deuteranopia (no green cones) | #004395 | 0.094 |
| Tritanopia (no blue cones) | #3C485F | 0.126 |
| Achromatopsia (no color) | #454545 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512F97
#512F97
oklch(40.9% 0.16 292.9)
- #4B4F00
#4B4F00
oklch(41% 0.091 113.1)
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 #512F97, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.040
- Rebecca Purple #663399 ΔE 0.042
- Blueberry #464196 ΔE 0.043
- Chrysanthemum #560BAD ΔE 0.055
- Imperial Purple #480CA8 ΔE 0.058
- Indigo Blue #3A18B1 ΔE 0.073
- Indigo #4B0082 ΔE 0.077
- Sapphire #2138AB ΔE 0.079
Use #512F97 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.