#7B51D3
Closest named color: Light Indigo (#6D5ACF). oklch(54.9% 0.191 294.1), rgb(123, 81, 211).
Aa
White text reads best on this color (5.30:1).
About this color
#7B51D3 is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.191 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.029 away. White text reads best on it, at 5.30:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.191) |
| Temperature | in between |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 3.95:1 |
| White text | 5.30:1 |
Values
| HEX | #7B51D3 |
| RGB | rgb(123, 81, 211) |
| HSL | hsl(259, 60%, 57%) |
| OKLCH | oklch(54.9% 0.191 294.1) |
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 #7B51D3 | 5.30:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #7B51D3 | 3.95:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #7B51D3 text on white | 5.30:1 | AA | Lc 75.9 | Fine for body text |
| #7B51D3 text on black | 3.95:1 | AA large text | Lc -25.8 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EAE7F9
oklch(93.6% 0.024 293.6)
-
Step 200
200
#DAD4F6
oklch(88.5% 0.047 293.5)
-
Step 300
300
#C3B6F3
oklch(80.8% 0.086 294.2)
-
Step 400
400
#A68EED
oklch(70.7% 0.137 294.2)
-
Step 500
500
#926FE7
oklch(63.1% 0.175 294.3)
-
Step 600
600 (this color)
#7B51D3
oklch(54.9% 0.191 294.1)
-
Step 700
700
#6A43B9
oklch(49.2% 0.177 294.1)
-
Step 800
800
#563896
oklch(42.8% 0.147 294)
-
Step 900
900
#463177
oklch(37.5% 0.115 294)
-
Step 950
950
#291E46
oklch(27.1% 0.072 293.7)
#7B51D3 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) | #006DD7 | 0.124 |
| Deuteranopia (no green cones) | #0069D0 | 0.124 |
| Tritanopia (no blue cones) | #636E8A | 0.151 |
| Achromatopsia (no color) | #6B6B6B | 0.192 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7B51D3
#7B51D3
oklch(54.9% 0.191 294.1)
- #717800
#717800
oklch(54.8% 0.123 113.8)
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 #7B51D3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.029
- Slate Blue #6A5ACD ΔE 0.034
- Purpley #8756E4 ΔE 0.035
- Dark Periwinkle #665FD1 ΔE 0.043
- Iris #6258C4 ΔE 0.048
- Bluey Purple #6241C7 ΔE 0.060
- Medium Slate Blue #7B68EE ΔE 0.063
- Deep Lavender #8D5EB7 ΔE 0.066
Use #7B51D3 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.