#7A51B5
Closest named color: Iris (#6258C4). oklch(52.7% 0.154 300.1), rgb(122, 81, 181).
Aa
White text reads best on this color (5.71:1).
About this color
#7A51B5 is a medium-dark, vivid purple. In OKLCH its lightness is 53%, its chroma 0.154 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.047 away. White text reads best on it, at 5.71:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.67:1 |
| White text | 5.71:1 |
Values
| HEX | #7A51B5 |
| RGB | rgb(122, 81, 181) |
| HSL | hsl(265, 40%, 51%) |
| OKLCH | oklch(52.7% 0.154 300.1) |
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 #7A51B5 | 5.71:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #7A51B5 | 3.67:1 | AA large text | Lc 25.8 | Dividers and decoration only |
| #7A51B5 text on white | 5.71:1 | AA | Lc 78.3 | Fine for body text |
| #7A51B5 text on black | 3.67:1 | AA large text | Lc -23.5 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#ECE7F6
oklch(93.6% 0.021 301.1)
-
Step 200
200
#DDD4EF
oklch(88.5% 0.038 300.8)
-
Step 300
300
#C7B7E7
oklch(80.9% 0.069 300.1)
-
Step 400
400
#AB90DB
oklch(70.6% 0.111 300.1)
-
Step 500
500
#9773D1
oklch(63% 0.141 300.1)
-
Step 600
600 (this color)
#7A51B5
oklch(52.7% 0.154 300.1)
-
Step 700
700
#6E49A4
oklch(49% 0.142 299.9)
-
Step 800
800
#5A3C85
oklch(42.6% 0.119 300.4)
-
Step 900
900
#4A346B
oklch(37.7% 0.093 300.5)
-
Step 950
950
#2B1F3E
oklch(27% 0.058 300.4)
#7A51B5 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) | #2866B8 | 0.111 |
| Deuteranopia (no green cones) | #3666B3 | 0.102 |
| Tritanopia (no blue cones) | #6E657B | 0.118 |
| Achromatopsia (no color) | #666666 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7A51B5
#7A51B5
oklch(52.7% 0.154 300.1)
- #627500
#627500
oklch(52.8% 0.126 120.3)
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 #7A51B5, closest first.
No curated palette has a color within ΔE 0.04 of #7A51B5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.047
- Slate Blue #6A5ACD ΔE 0.048
- Light Indigo #6D5ACF ΔE 0.048
- Deep Lavender #8D5EB7 ΔE 0.048
- Dark Periwinkle #665FD1 ΔE 0.059
- Purply #983FB2 ΔE 0.062
- Bluey Purple #6241C7 ΔE 0.066
- Amethyst #9B5FC0 ΔE 0.071
Use #7A51B5 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.