#7550DB
Closest named color: Light Indigo (#6D5ACF). oklch(54.8% 0.202 290.4), rgb(117, 80, 219).
Aa
White text reads best on this color (5.34:1).
About this color
#7550DB is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.202 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.031 away. White text reads best on it, at 5.34:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.202) |
| Temperature | in between |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 3.92:1 |
| White text | 5.34:1 |
Values
| HEX | #7550DB |
| RGB | rgb(117, 80, 219) |
| HSL | hsl(256, 66%, 59%) |
| OKLCH | oklch(54.8% 0.202 290.4) |
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 #7550DB | 5.34:1 | AA | Lc -81.5 | Fine for body text |
| Black text on #7550DB | 3.92:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #7550DB text on white | 5.34:1 | AA | Lc 76.1 | Fine for body text |
| #7550DB text on black | 3.92:1 | AA large text | Lc -25.6 | 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
#D8D4F9
oklch(88.5% 0.051 290.3)
-
Step 300
300
#C0B7F8
oklch(81% 0.091 290.6)
-
Step 400
400
#A18FF4
oklch(70.8% 0.145 290.4)
-
Step 500
500
#8C6FEF
oklch(63.1% 0.185 290.5)
-
Step 600
600 (this color)
#7550DB
oklch(54.8% 0.202 290.4)
-
Step 700
700
#6542C1
oklch(49.2% 0.188 290.4)
-
Step 800
800
#52379C
oklch(42.7% 0.156 290.5)
-
Step 900
900
#43317C
oklch(37.6% 0.122 290.4)
-
Step 950
950
#271E49
oklch(27.1% 0.077 289.9)
#7550DB 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) | #006DDF | 0.115 |
| Deuteranopia (no green cones) | #0068D8 | 0.114 |
| Tritanopia (no blue cones) | #55718E | 0.163 |
| Achromatopsia (no color) | #6B6B6B | 0.203 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7550DB
#7550DB
oklch(54.8% 0.202 290.4)
- #757600
#757600
oklch(54.7% 0.12 110.4)
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 #7550DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.031
- Slate Blue #6A5ACD ΔE 0.035
- Purpley #8756E4 ΔE 0.037
- Dark Periwinkle #665FD1 ΔE 0.042
- Iris #6258C4 ΔE 0.049
- Bluey Purple #6241C7 ΔE 0.056
- Medium Slate Blue #7B68EE ΔE 0.060
- Burple #6832E3 ΔE 0.061
Use #7550DB 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.