#7551AD
Closest named color: Iris (#6258C4). oklch(51.7% 0.143 299.5), rgb(117, 81, 173).
Aa
White text reads best on this color (5.93:1).
About this color
#7551AD is a medium-dark, vivid purple. In OKLCH its lightness is 52%, its chroma 0.143 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.048 away. White text reads best on it, at 5.93:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.53:1 |
| White text | 5.93:1 |
Values
| HEX | #7551AD |
| RGB | rgb(117, 81, 173) |
| HSL | hsl(263, 36%, 50%) |
| OKLCH | oklch(51.7% 0.143 299.5) |
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 #7551AD | 5.93:1 | AA | Lc -84.7 | Fine for body text |
| Black text on #7551AD | 3.53:1 | AA large text | Lc 24.6 | Dividers and decoration only |
| #7551AD text on white | 5.93:1 | AA | Lc 79.4 | Fine for body text |
| #7551AD text on black | 3.53:1 | AA large text | Lc -22.4 | 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 700.
-
Step 50
50
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F6
oklch(93.5% 0.021 298.2)
-
Step 200
200
#DCD4EF
oklch(88.5% 0.038 299.2)
-
Step 300
300
#C7B7E7
oklch(80.9% 0.069 300.1)
-
Step 400
400
#AB91DC
oklch(70.8% 0.11 299.5)
-
Step 500
500
#9673D2
oklch(63% 0.142 299.3)
-
Step 600
600
#815ABF
oklch(55.6% 0.154 299.2)
-
Step 700
700 (this color)
#7551AD
oklch(51.7% 0.143 299.5)
-
Step 800
800
#593D85
oklch(42.7% 0.117 299.4)
-
Step 900
900
#49356B
oklch(37.8% 0.091 299.1)
-
Step 950
950
#2B1F3F
oklch(27% 0.059 299.7)
#7551AD 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) | #2F64B0 | 0.099 |
| Deuteranopia (no green cones) | #3963AB | 0.091 |
| Tritanopia (no blue cones) | #696377 | 0.111 |
| Achromatopsia (no color) | #646464 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7551AD
#7551AD
oklch(51.7% 0.143 299.5)
- #607100
#607100
oklch(51.6% 0.122 119.5)
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 #7551AD, closest first.
No curated palette has a color within ΔE 0.04 of #7551AD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.048
- Slate Blue #6A5ACD ΔE 0.054
- Light Indigo #6D5ACF ΔE 0.056
- Deep Lavender #8D5EB7 ΔE 0.056
- Dark Periwinkle #665FD1 ΔE 0.065
- Bluey Purple #6241C7 ΔE 0.068
- Purply #983FB2 ΔE 0.071
- Light Eggplant #894585 ΔE 0.074
Use #7551AD 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.