#512776
Closest named color: Indigo (#4B0082). oklch(37.1% 0.131 305.3), rgb(81, 39, 118).
Aa
White text reads best on this color (11.04:1).
About this color
#512776 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.131 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.059 away. White text reads best on it, at 11.04:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.90:1 |
| White text | 11.04:1 |
Values
| HEX | #512776 |
| RGB | rgb(81, 39, 118) |
| HSL | hsl(272, 50%, 31%) |
| OKLCH | oklch(37.1% 0.131 305.3) |
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 #512776 | 11.04:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #512776 | 1.90:1 | Fails | Lc 8.9 | Not readable |
| #512776 text on white | 11.04:1 | AAA | Lc 95.0 | Preferred for body text |
| #512776 text on black | 1.90:1 | Fails | Lc -7.6 | 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
#F7F3FD
oklch(97% 0.014 304.1)
-
Step 100
100
#EEE5FA
oklch(93.5% 0.03 305.1)
-
Step 200
200
#E1D1F7
oklch(88.6% 0.054 304.4)
-
Step 300
300
#D0B1F4
oklch(81% 0.098 305.4)
-
Step 400
400
#B884EE
oklch(70.6% 0.158 305.4)
-
Step 500
500
#A760E8
oklch(63% 0.201 305.4)
-
Step 600
600
#9341D6
oklch(55.6% 0.218 305.5)
-
Step 700
700
#7D31BA
oklch(49.1% 0.204 305.2)
-
Step 800
800
#662B96
oklch(42.8% 0.168 305.6)
-
Step 900
900 (this color)
#512776
oklch(37.1% 0.131 305.3)
-
Step 950
950
#301946
oklch(27% 0.083 305.1)
#512776 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) | #003B78 | 0.107 |
| Deuteranopia (no green cones) | #133C74 | 0.100 |
| Tritanopia (no blue cones) | #4A384B | 0.095 |
| Achromatopsia (no color) | #3C3C3C | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #512776
#512776
oklch(37.1% 0.131 305.3)
- #344800
#344800
oklch(37.1% 0.094 125.6)
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 #512776, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.059
- Dark Slate Blue #483D8B ΔE 0.061
- Royal Purple #4B006E ΔE 0.061
- Grape Purple #5D1451 ΔE 0.074
- Rebecca Purple #663399 ΔE 0.075
- Blueberry #464196 ΔE 0.079
- Plum Purple #4E0550 ΔE 0.085
- Imperial Purple #480CA8 ΔE 0.093
Use #512776 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.