#7C51CD
Closest named color: Light Indigo (#6D5ACF). oklch(54.6% 0.184 295.7), rgb(124, 81, 205).
Aa
White text reads best on this color (5.36:1).
About this color
#7C51CD is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.184 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.030 away. White text reads best on it, at 5.36:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.184) |
| Temperature | in between |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 3.91:1 |
| White text | 5.36:1 |
Values
| HEX | #7C51CD |
| RGB | rgb(124, 81, 205) |
| HSL | hsl(261, 55%, 56%) |
| OKLCH | oklch(54.6% 0.184 295.7) |
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 #7C51CD | 5.36:1 | AA | Lc -81.6 | Fine for body text |
| Black text on #7C51CD | 3.91:1 | AA large text | Lc 27.8 | Dividers and decoration only |
| #7C51CD text on white | 5.36:1 | AA | Lc 76.3 | Fine for body text |
| #7C51CD text on black | 3.91:1 | AA large text | Lc -25.5 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F9
oklch(93.6% 0.024 296.1)
-
Step 200
200
#DBD4F5
oklch(88.6% 0.046 295.2)
-
Step 300
300
#C5B6F1
oklch(80.9% 0.084 296.1)
-
Step 400
400
#A88EE9
oklch(70.6% 0.132 296)
-
Step 500
500
#946FE3
oklch(63.1% 0.17 295.9)
-
Step 600
600 (this color)
#7C51CD
oklch(54.6% 0.184 295.7)
-
Step 700
700
#6B44B5
oklch(49.1% 0.171 295.3)
-
Step 800
800
#573992
oklch(42.7% 0.141 295.4)
-
Step 900
900
#483275
oklch(37.8% 0.111 295.8)
-
Step 950
950
#2A1E44
oklch(27% 0.069 296)
#7C51CD 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) | #006BD1 | 0.126 |
| Deuteranopia (no green cones) | #1169CA | 0.123 |
| Tritanopia (no blue cones) | #686C87 | 0.144 |
| Achromatopsia (no color) | #6B6B6B | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C51CD
#7C51CD
oklch(54.6% 0.184 295.7)
- #6E7800
#6E7800
oklch(54.5% 0.124 115.4)
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 #7C51CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.030
- Slate Blue #6A5ACD ΔE 0.034
- Purpley #8756E4 ΔE 0.041
- Dark Periwinkle #665FD1 ΔE 0.045
- Iris #6258C4 ΔE 0.046
- Deep Lavender #8D5EB7 ΔE 0.059
- Bluey Purple #6241C7 ΔE 0.060
- Medium Slate Blue #7B68EE ΔE 0.069
Use #7C51CD 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.