#7551A7
Closest named color: Iris (#6258C4). oklch(51.3% 0.135 301.1), rgb(117, 81, 167).
Aa
White text reads best on this color (6.01:1).
About this color
#7551A7 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 51%, its chroma 0.135 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.055 away. White text reads best on it, at 6.01:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.49:1 |
| White text | 6.01:1 |
Values
| HEX | #7551A7 |
| RGB | rgb(117, 81, 167) |
| HSL | hsl(265, 35%, 49%) |
| OKLCH | oklch(51.3% 0.135 301.1) |
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 #7551A7 | 6.01:1 | AA | Lc -85.0 | Fine for body text |
| Black text on #7551A7 | 3.49:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #7551A7 text on white | 6.01:1 | AA | Lc 79.8 | Fine for body text |
| #7551A7 text on black | 3.49:1 | AA large text | Lc -22.0 | 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
#ECE7F5
oklch(93.6% 0.019 302.2)
-
Step 200
200
#DDD4EE
oklch(88.5% 0.037 301.4)
-
Step 300
300
#C7B7E5
oklch(80.8% 0.066 300.8)
-
Step 400
400
#AC91D7
oklch(70.7% 0.104 301.5)
-
Step 500
500
#9874CD
oklch(63.1% 0.134 301.3)
-
Step 600
600
#835BBA
oklch(55.6% 0.146 301.2)
-
Step 700
700 (this color)
#7551A7
oklch(51.3% 0.135 301.1)
-
Step 800
800
#5A3E82
oklch(42.8% 0.111 300.8)
-
Step 900
900
#4A3568
oklch(37.7% 0.087 301.3)
-
Step 950
950
#2B1F3D
oklch(26.9% 0.056 301.2)
#7551A7 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) | #3462AA | 0.095 |
| Deuteranopia (no green cones) | #3E63A5 | 0.088 |
| Tritanopia (no blue cones) | #6B6174 | 0.103 |
| Achromatopsia (no color) | #636363 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7551A7
#7551A7
oklch(51.3% 0.135 301.1)
- #5D7100
#5D7100
oklch(51.4% 0.123 121.1)
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 #7551A7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.055
- Deep Lavender #8D5EB7 ΔE 0.059
- Slate Blue #6A5ACD ΔE 0.063
- Light Indigo #6D5ACF ΔE 0.065
- Light Eggplant #894585 ΔE 0.066
- Muted Purple #805B87 ΔE 0.067
- Dark Periwinkle #665FD1 ΔE 0.073
- Purply #983FB2 ΔE 0.073
Use #7551A7 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.