#7550CF
Closest named color: Light Indigo (#6D5ACF). oklch(53.9% 0.187 292.4), rgb(117, 80, 207).
Aa
White text reads best on this color (5.51:1).
About this color
#7550CF is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.187 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.024 away. White text reads best on it, at 5.51:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.187) |
| Temperature | in between |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 3.80:1 |
| White text | 5.51:1 |
Values
| HEX | #7550CF |
| RGB | rgb(117, 80, 207) |
| HSL | hsl(257, 57%, 56%) |
| OKLCH | oklch(53.9% 0.187 292.4) |
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 #7550CF | 5.51:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #7550CF | 3.80:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #7550CF text on white | 5.51:1 | AA | Lc 77.1 | Fine for body text |
| #7550CF text on black | 3.80:1 | AA large text | Lc -24.6 | 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
#EAE7F9
oklch(93.6% 0.024 293.6)
-
Step 200
200
#D9D4F6
oklch(88.5% 0.047 292.2)
-
Step 300
300
#C2B7F3
oklch(80.9% 0.084 292.8)
-
Step 400
400
#A38FED
oklch(70.6% 0.136 292.3)
-
Step 500
500
#8E71E7
oklch(63.1% 0.172 292.1)
-
Step 600
600 (this color)
#7550CF
oklch(53.9% 0.187 292.4)
-
Step 700
700
#6745B9
oklch(49.2% 0.174 292.3)
-
Step 800
800
#543995
oklch(42.6% 0.144 292.8)
-
Step 900
900
#453377
oklch(37.8% 0.112 292.4)
-
Step 950
950
#281E46
oklch(27% 0.072 292.4)
#7550CF 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) | #006AD3 | 0.116 |
| Deuteranopia (no green cones) | #0066CC | 0.116 |
| Tritanopia (no blue cones) | #5B6D88 | 0.150 |
| Achromatopsia (no color) | #696969 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7550CF
#7550CF
oklch(53.9% 0.187 292.4)
- #707400
#707400
oklch(53.7% 0.119 112.2)
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 #7550CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.024
- Slate Blue #6A5ACD ΔE 0.027
- Iris #6258C4 ΔE 0.038
- Dark Periwinkle #665FD1 ΔE 0.039
- Purpley #8756E4 ΔE 0.046
- Bluey Purple #6241C7 ΔE 0.049
- Warm Blue #4B57DB ΔE 0.066
- Burple #6832E3 ΔE 0.068
Use #7550CF 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.