#7F51AB
Closest named color: Deep Lavender (#8D5EB7). oklch(52.6% 0.142 305.7), rgb(127, 81, 171).
Aa
White text reads best on this color (5.72:1).
About this color
#7F51AB is a medium-dark, vivid purple. In OKLCH its lightness is 53%, its chroma 0.142 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lavender (#8D5EB7), ΔE 0.044 away. White text reads best on it, at 5.72:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Deep Lavender (#8D5EB7) |
| Black text | 3.66:1 |
| White text | 5.72:1 |
Values
| HEX | #7F51AB |
| RGB | rgb(127, 81, 171) |
| HSL | hsl(271, 36%, 49%) |
| OKLCH | oklch(52.6% 0.142 305.7) |
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 #7F51AB | 5.72:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #7F51AB | 3.66:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #7F51AB text on white | 5.72:1 | AA | Lc 78.4 | Fine for body text |
| #7F51AB text on black | 3.66:1 | AA large text | Lc -23.4 | Dividers and decoration only |
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 600.
-
Step 50
50
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EDE7F4
oklch(93.6% 0.018 306.7)
-
Step 200
200
#DFD4EC
oklch(88.6% 0.035 306.3)
-
Step 300
300
#CAB7E2
oklch(80.9% 0.063 305.1)
-
Step 400
400
#B090D4
oklch(70.7% 0.103 305.5)
-
Step 500
500
#9D73C8
oklch(63.1% 0.131 305.8)
-
Step 600
600 (this color)
#7F51AB
oklch(52.6% 0.142 305.7)
-
Step 700
700
#73499B
oklch(49% 0.132 305.7)
-
Step 800
800
#5E3D7E
oklch(42.8% 0.109 305.7)
-
Step 900
900
#4D3465
oklch(37.7% 0.086 306.3)
-
Step 950
950
#2D1F3B
oklch(27% 0.054 306.2)
#7F51AB 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) | #3565AE | 0.110 |
| Deuteranopia (no green cones) | #4366A9 | 0.099 |
| Tritanopia (no blue cones) | #786176 | 0.104 |
| Achromatopsia (no color) | #666666 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7F51AB
#7F51AB
oklch(52.6% 0.142 305.7)
- #587700
#587700
oklch(52.6% 0.133 125.6)
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 #7F51AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lavender #8D5EB7 ΔE 0.044
- Purply #983FB2 ΔE 0.057
- Iris #6258C4 ΔE 0.062
- Light Eggplant #894585 ΔE 0.064
- Slate Blue #6A5ACD ΔE 0.064
- Light Indigo #6D5ACF ΔE 0.064
- Amethyst #9B5FC0 ΔE 0.068
- Muted Purple #805B87 ΔE 0.068
Use #7F51AB 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.