#7555B9
Closest named color: Iris (#6258C4). oklch(53.1% 0.152 295.5), rgb(117, 85, 185).
Aa
White text reads best on this color (5.59:1).
About this color
#7555B9 is a medium-dark, vivid purple. In OKLCH its lightness is 53%, its chroma 0.152 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.035 away. White text reads best on it, at 5.59:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.75:1 |
| White text | 5.59:1 |
Values
| HEX | #7555B9 |
| RGB | rgb(117, 85, 185) |
| HSL | hsl(259, 42%, 53%) |
| OKLCH | oklch(53.1% 0.152 295.5) |
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 #7555B9 | 5.59:1 | AA | Lc -83.0 | Fine for body text |
| Black text on #7555B9 | 3.75:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #7555B9 text on white | 5.59:1 | AA | Lc 77.7 | Fine for body text |
| #7555B9 text on black | 3.75:1 | AA large text | Lc -24.1 | 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
#EAE7F6
oklch(93.5% 0.02 295.2)
-
Step 200
200
#DBD5F0
oklch(88.6% 0.037 295.8)
-
Step 300
300
#C4B8E9
oklch(80.9% 0.069 296)
-
Step 400
400
#A692DD
oklch(70.6% 0.109 295.7)
-
Step 500
500
#9176D4
oklch(63.2% 0.139 295.4)
-
Step 600
600 (this color)
#7555B9
oklch(53.1% 0.152 295.5)
-
Step 700
700
#694BA7
oklch(49.1% 0.142 295.7)
-
Step 800
800
#553E87
oklch(42.6% 0.118 295.5)
-
Step 900
900
#46366C
oklch(37.7% 0.091 295.4)
-
Step 950
950
#29203F
oklch(27% 0.057 295.7)
#7555B9 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) | #2A69BC | 0.099 |
| Deuteranopia (no green cones) | #3366B7 | 0.092 |
| Tritanopia (no blue cones) | #65697F | 0.120 |
| Achromatopsia (no color) | #686868 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7555B9
#7555B9
oklch(53.1% 0.152 295.5)
- #6A7400
#6A7400
oklch(53.2% 0.121 115.6)
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 #7555B9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.035
- Slate Blue #6A5ACD ΔE 0.036
- Light Indigo #6D5ACF ΔE 0.037
- Dark Periwinkle #665FD1 ΔE 0.047
- Deep Lavender #8D5EB7 ΔE 0.050
- Bluey Purple #6241C7 ΔE 0.063
- Purpley #8756E4 ΔE 0.072
- Amethyst #9B5FC0 ΔE 0.073
Use #7555B9 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.