#7555C1
Closest named color: Light Indigo (#6D5ACF). oklch(53.7% 0.162 293.9), rgb(117, 85, 193).
Aa
White text reads best on this color (5.48:1).
About this color
#7555C1 is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.162 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.026 away. White text reads best on it, at 5.48:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.162) |
| Temperature | in between |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 3.82:1 |
| White text | 5.48:1 |
Values
| HEX | #7555C1 |
| RGB | rgb(117, 85, 193) |
| HSL | hsl(258, 47%, 55%) |
| OKLCH | oklch(53.7% 0.162 293.9) |
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 #7555C1 | 5.48:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #7555C1 | 3.82:1 | AA large text | Lc 27.0 | Dividers and decoration only |
| #7555C1 text on white | 5.48:1 | AA | Lc 77.1 | Fine for body text |
| #7555C1 text on black | 3.82:1 | AA large text | Lc -24.7 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#EAE7F7
oklch(93.5% 0.022 294.6)
-
Step 200
200
#DAD5F2
oklch(88.6% 0.04 293.5)
-
Step 300
300
#C2B8EC
oklch(80.8% 0.073 293.5)
-
Step 400
400
#A592E2
oklch(70.8% 0.116 294.1)
-
Step 500
500
#8F75DA
oklch(63.1% 0.149 293.5)
-
Step 600
600 (this color)
#7555C1
oklch(53.7% 0.162 293.9)
-
Step 700
700
#674AAC
oklch(49% 0.15 293.8)
-
Step 800
800
#543D8C
oklch(42.7% 0.126 293.8)
-
Step 900
900
#453570
oklch(37.7% 0.098 293.6)
-
Step 950
950
#282041
oklch(27% 0.06 293.1)
#7555C1 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) | #1F6AC5 | 0.105 |
| Deuteranopia (no green cones) | #2967BF | 0.099 |
| Tritanopia (no blue cones) | #626C83 | 0.130 |
| Achromatopsia (no color) | #696969 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7555C1
#7555C1
oklch(53.7% 0.162 293.9)
- #6E7500
#6E7500
oklch(53.8% 0.121 113.9)
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 #7555C1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.026
- Slate Blue #6A5ACD ΔE 0.027
- Iris #6258C4 ΔE 0.031
- Dark Periwinkle #665FD1 ΔE 0.038
- Deep Lavender #8D5EB7 ΔE 0.053
- Bluey Purple #6241C7 ΔE 0.059
- Purpley #8756E4 ΔE 0.061
- Amethyst #9B5FC0 ΔE 0.073
Use #7555C1 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.