#755BBB
Closest named color: Slate Blue (#6A5ACD). oklch(54.3% 0.145 293.4), rgb(117, 91, 187).
Aa
White text reads best on this color (5.28:1).
About this color
#755BBB is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.145 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Blue (#6A5ACD), ΔE 0.034 away. White text reads best on it, at 5.28:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Slate Blue (#6A5ACD) |
| Black text | 3.97:1 |
| White text | 5.28:1 |
Values
| HEX | #755BBB |
| RGB | rgb(117, 91, 187) |
| HSL | hsl(256, 41%, 55%) |
| OKLCH | oklch(54.3% 0.145 293.4) |
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 #755BBB | 5.28:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #755BBB | 3.97:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #755BBB text on white | 5.28:1 | AA | Lc 76.1 | Fine for body text |
| #755BBB text on black | 3.97:1 | AA large text | Lc -25.7 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#DAD5F0
oklch(88.5% 0.037 294.1)
-
Step 300
300
#C2B9E8
oklch(80.9% 0.066 293.6)
-
Step 400
400
#A394DC
oklch(70.7% 0.105 293.1)
-
Step 500
500
#8E78D2
oklch(63.1% 0.133 293.5)
-
Step 600
600 (this color)
#755BBB
oklch(54.3% 0.145 293.4)
-
Step 700
700
#664EA5
oklch(49.2% 0.135 293.5)
-
Step 800
800
#534086
oklch(42.7% 0.113 293.6)
-
Step 900
900
#44376B
oklch(37.7% 0.087 293.3)
-
Step 950
950
#28213F
oklch(27.1% 0.055 293.1)
#755BBB 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) | #356DBE | 0.087 |
| Deuteranopia (no green cones) | #3A6AB9 | 0.083 |
| Tritanopia (no blue cones) | #646E82 | 0.117 |
| Achromatopsia (no color) | #6C6C6C | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #755BBB
#755BBB
oklch(54.3% 0.145 293.4)
- #707600
#707600
oklch(54.2% 0.121 113.3)
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 #755BBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Blue #6A5ACD ΔE 0.034
- Light Indigo #6D5ACF ΔE 0.034
- Iris #6258C4 ΔE 0.036
- Dark Periwinkle #665FD1 ΔE 0.041
- Deep Lavender #8D5EB7 ΔE 0.043
- Amethyst #9B5FC0 ΔE 0.068
- Purpley #8756E4 ΔE 0.071
- Bluey Purple #6241C7 ΔE 0.074
Use #755BBB 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.