#7C51AD
Closest named color: Deep Lavender (#8D5EB7). oklch(52.4% 0.144 303.4), rgb(124, 81, 173).
Aa
White text reads best on this color (5.77:1).
About this color
#7C51AD is a medium-dark, vivid purple. In OKLCH its lightness is 52%, its chroma 0.144 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lavender (#8D5EB7), ΔE 0.047 away. White text reads best on it, at 5.77:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Deep Lavender (#8D5EB7) |
| Black text | 3.63:1 |
| White text | 5.77:1 |
Values
| HEX | #7C51AD |
| RGB | rgb(124, 81, 173) |
| HSL | hsl(268, 36%, 50%) |
| OKLCH | oklch(52.4% 0.144 303.4) |
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 #7C51AD | 5.77:1 | AA | Lc -83.9 | Fine for body text |
| Black text on #7C51AD | 3.63:1 | AA large text | Lc 25.5 | Dividers and decoration only |
| #7C51AD text on white | 5.77:1 | AA | Lc 78.6 | Fine for body text |
| #7C51AD text on black | 3.63:1 | AA large text | Lc -23.2 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#ECE7F4
oklch(93.6% 0.018 303.4)
-
Step 200
200
#DED4ED
oklch(88.6% 0.036 303.8)
-
Step 300
300
#C9B7E4
oklch(80.9% 0.065 303.2)
-
Step 400
400
#AE90D6
oklch(70.6% 0.105 303.5)
-
Step 500
500
#9A74CB
oklch(63.2% 0.132 303)
-
Step 600
600 (this color)
#7C51AD
oklch(52.4% 0.144 303.4)
-
Step 700
700
#714A9E
oklch(49.2% 0.134 303.3)
-
Step 800
800
#5C3D80
oklch(42.7% 0.111 303.4)
-
Step 900
900
#4B3567
oklch(37.8% 0.086 302.8)
-
Step 950
950
#2C1F3C
oklch(27% 0.055 303.6)
#7C51AD 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) | #3265B0 | 0.107 |
| Deuteranopia (no green cones) | #3F66AB | 0.098 |
| Tritanopia (no blue cones) | #736277 | 0.108 |
| Achromatopsia (no color) | #666666 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C51AD
#7C51AD
oklch(52.4% 0.144 303.4)
- #5C7500
#5C7500
oklch(52.3% 0.129 123.2)
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 #7C51AD, closest first.
No curated palette has a color within ΔE 0.04 of #7C51AD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lavender #8D5EB7 ΔE 0.047
- Iris #6258C4 ΔE 0.056
- Slate Blue #6A5ACD ΔE 0.059
- Light Indigo #6D5ACF ΔE 0.059
- Purply #983FB2 ΔE 0.061
- Light Eggplant #894585 ΔE 0.068
- Dark Periwinkle #665FD1 ΔE 0.069
- Amethyst #9B5FC0 ΔE 0.071
Use #7C51AD 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.