#7555DD
Closest named color: Light Indigo (#6D5ACF). oklch(55.7% 0.198 289.2), rgb(117, 85, 221).
Aa
White text reads best on this color (5.12:1).
About this color
#7555DD is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.198 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.027 away. White text reads best on it, at 5.12:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.198) |
| Temperature | cool |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 4.09:1 |
| White text | 5.12:1 |
Values
| HEX | #7555DD |
| RGB | rgb(117, 85, 221) |
| HSL | hsl(254, 67%, 60%) |
| OKLCH | oklch(55.7% 0.198 289.2) |
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 #7555DD | 5.12:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #7555DD | 4.09:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #7555DD text on white | 5.12:1 | AA | Lc 74.9 | Content text, not long reading |
| #7555DD text on black | 4.09:1 | AA large text | Lc -26.9 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7FB
oklch(93.5% 0.027 290.5)
-
Step 200
200
#D7D4F9
oklch(88.4% 0.051 289)
-
Step 300
300
#BEB8F7
oklch(81% 0.088 288.6)
-
Step 400
400
#9F90F3
oklch(70.7% 0.142 289.2)
-
Step 500
500
#8971EE
oklch(63.1% 0.181 289)
-
Step 600
600 (this color)
#7555DD
oklch(55.7% 0.198 289.2)
-
Step 700
700
#6344C0
oklch(49.2% 0.184 289.3)
-
Step 800
800
#50399B
oklch(42.7% 0.152 289.1)
-
Step 900
900
#42327B
oklch(37.6% 0.119 289.5)
-
Step 950
950
#261E48
oklch(26.9% 0.075 289.1)
#7555DD 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) | #0070E1 | 0.111 |
| Deuteranopia (no green cones) | #006ADA | 0.110 |
| Tritanopia (no blue cones) | #537591 | 0.162 |
| Achromatopsia (no color) | #6E6E6E | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7555DD
#7555DD
oklch(55.7% 0.198 289.2)
- #797800
#797800
oklch(55.5% 0.121 109.2)
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 #7555DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.027
- Slate Blue #6A5ACD ΔE 0.032
- Purpley #8756E4 ΔE 0.032
- Dark Periwinkle #665FD1 ΔE 0.036
- Iris #6258C4 ΔE 0.049
- Medium Slate Blue #7B68EE ΔE 0.050
- Warm Blue #4B57DB ΔE 0.062
- Bluey Purple #6241C7 ΔE 0.064
Use #7555DD 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.