#651AAA
Closest named color: Grape (#7209B7). oklch(42.7% 0.205 301), rgb(101, 26, 170).
Aa
White text reads best on this color (9.20:1).
About this color
#651AAA is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.205 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape (#7209B7), ΔE 0.033 away. White text reads best on it, at 9.20:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.205) |
| Temperature | in between |
| Nearest name | Grape (#7209B7) |
| Black text | 2.28:1 |
| White text | 9.20:1 |
Values
| HEX | #651AAA |
| RGB | rgb(101, 26, 170) |
| HSL | hsl(271, 73%, 38%) |
| OKLCH | oklch(42.7% 0.205 301) |
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 #651AAA | 9.20:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #651AAA | 2.28:1 | Fails | Lc 14.1 | Not readable |
| #651AAA text on white | 9.20:1 | AAA | Lc 89.9 | Fine for body text |
| #651AAA text on black | 2.28:1 | Fails | Lc -12.4 | 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
#F7F3FF
oklch(97.1% 0.016 301.2)
-
Step 100
100
#EDE5FE
oklch(93.6% 0.035 300.3)
-
Step 200
200
#E0D0FF
oklch(88.6% 0.066 300.6)
-
Step 300
300
#CDAFFF
oklch(80.9% 0.115 301.1)
-
Step 400
400
#B581FF
oklch(70.8% 0.182 300.9)
-
Step 500
500
#A557FF
oklch(63.2% 0.238 301.1)
-
Step 600
600
#922AF2
oklch(55.6% 0.267 300.9)
-
Step 700
700
#7D17D2
oklch(49.1% 0.247 301.2)
-
Step 800
800 (this color)
#651AAA
oklch(42.7% 0.205 301)
-
Step 900
900
#522087
oklch(37.7% 0.16 300.9)
-
Step 950
950
#30154F
oklch(27% 0.102 301.2)
#651AAA 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) | #0047AE | 0.136 |
| Deuteranopia (no green cones) | #0047A7 | 0.137 |
| Tritanopia (no blue cones) | #554565 | 0.150 |
| Achromatopsia (no color) | #484848 | 0.207 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #651AAA
#651AAA
oklch(42.7% 0.205 301)
- #475700
#475700
oklch(42.8% 0.103 121.1)
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 #651AAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape #7209B7 ΔE 0.033
- Chrysanthemum #560BAD ΔE 0.036
- Rebecca Purple #663399 ΔE 0.047
- Imperial Purple #480CA8 ΔE 0.064
- Purple Blue #5D21D0 ΔE 0.067
- Violet Blue #510AC9 ΔE 0.069
- Blue With A Hint Of Purple #533CC6 ΔE 0.078
- Bluey Purple #6241C7 ΔE 0.079
Use #651AAA 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.