#7C51BE
Closest named color: Light Indigo (#6D5ACF). oklch(53.5% 0.165 298.9), rgb(124, 81, 190).
Aa
White text reads best on this color (5.55:1).
About this color
#7C51BE is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.165 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.039 away. White text reads best on it, at 5.55:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 3.77:1 |
| White text | 5.55:1 |
Values
| HEX | #7C51BE |
| RGB | rgb(124, 81, 190) |
| HSL | hsl(264, 46%, 53%) |
| OKLCH | oklch(53.5% 0.165 298.9) |
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 #7C51BE | 5.55:1 | AA | Lc -82.7 | Fine for body text |
| Black text on #7C51BE | 3.77:1 | AA large text | Lc 26.6 | Dividers and decoration only |
| #7C51BE text on white | 5.55:1 | AA | Lc 77.4 | Fine for body text |
| #7C51BE text on black | 3.77:1 | AA large text | Lc -24.3 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F7
oklch(93.6% 0.022 297.4)
-
Step 200
200
#DCD4F1
oklch(88.5% 0.04 298.2)
-
Step 300
300
#C7B7EB
oklch(81% 0.074 298.8)
-
Step 400
400
#AB8FE0
oklch(70.6% 0.119 299.2)
-
Step 500
500
#9771D8
oklch(63.1% 0.153 299)
-
Step 600
600 (this color)
#7C51BE
oklch(53.5% 0.165 298.9)
-
Step 700
700
#6E47AA
oklch(49.1% 0.153 298.8)
-
Step 800
800
#5A3B8A
oklch(42.8% 0.127 299.1)
-
Step 900
900
#49336E
oklch(37.6% 0.099 298.8)
-
Step 950
950
#2B1E41
oklch(26.9% 0.064 299.2)
#7C51BE 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) | #1C68C2 | 0.120 |
| Deuteranopia (no green cones) | #2E67BC | 0.110 |
| Tritanopia (no blue cones) | #6E6780 | 0.126 |
| Achromatopsia (no color) | #686868 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C51BE
#7C51BE
oklch(53.5% 0.165 298.9)
- #667700
#667700
oklch(53.6% 0.126 119.1)
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 #7C51BE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.039
- Slate Blue #6A5ACD ΔE 0.040
- Iris #6258C4 ΔE 0.045
- Deep Lavender #8D5EB7 ΔE 0.048
- Dark Periwinkle #665FD1 ΔE 0.052
- Purpley #8756E4 ΔE 0.061
- Purply #983FB2 ΔE 0.062
- Bluey Purple #6241C7 ΔE 0.063
Use #7C51BE 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.