#6B55EF
Closest named color: Purpley (#8756E4). oklch(56.2% 0.221 283.2), rgb(107, 85, 239).
Aa
White text reads best on this color (5.03:1).
About this color
#6B55EF is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.221 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Purpley (#8756E4), ΔE 0.050 away. White text reads best on it, at 5.03:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.221) |
| Temperature | cool |
| Nearest name | Purpley (#8756E4) |
| Black text | 4.17:1 |
| White text | 5.03:1 |
Values
| HEX | #6B55EF |
| RGB | rgb(107, 85, 239) |
| HSL | hsl(249, 83%, 64%) |
| OKLCH | oklch(56.2% 0.221 283.2) |
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 #6B55EF | 5.03:1 | AA | Lc -79.6 | Fine for body text |
| Black text on #6B55EF | 4.17:1 | AA large text | Lc 29.9 | Dividers and decoration only |
| #6B55EF text on white | 5.03:1 | AA | Lc 74.2 | Content text, not long reading |
| #6B55EF text on black | 4.17:1 | AA large text | Lc -27.5 | 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
#F4F4FE
oklch(97% 0.013 286.1)
-
Step 100
100
#E7E8FD
oklch(93.7% 0.028 283.7)
-
Step 200
200
#D3D5FD
oklch(88.4% 0.055 283)
-
Step 300
300
#B7B9FF
oklch(80.9% 0.098 282.7)
-
Step 400
400
#9591FF
oklch(70.8% 0.158 283.2)
-
Step 500
500
#7E70FE
oklch(63.1% 0.204 283.4)
-
Step 600
600 (this color)
#6B55EF
oklch(56.2% 0.221 283.2)
-
Step 700
700
#5842CE
oklch(49.1% 0.205 283)
-
Step 800
800
#4838A7
oklch(42.8% 0.17 283.1)
-
Step 900
900
#3B3284
oklch(37.7% 0.132 283)
-
Step 950
950
#221E4D
oklch(26.9% 0.084 283.1)
#6B55EF 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) | #0074F4 | 0.098 |
| Deuteranopia (no green cones) | #006AEC | 0.092 |
| Tritanopia (no blue cones) | #2A7C9B | 0.186 |
| Achromatopsia (no color) | #6F6F6F | 0.222 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B55EF
#6B55EF
oklch(56.2% 0.221 283.2)
- #827700
#827700
oklch(56.2% 0.118 103.1)
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 #6B55EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purpley #8756E4 ΔE 0.050
- Light Indigo #6D5ACF ΔE 0.051
- Medium Slate Blue #7B68EE ΔE 0.051
- Dark Periwinkle #665FD1 ΔE 0.052
- Slate Blue #6A5ACD ΔE 0.053
- Neon Blue #4361EE ΔE 0.054
- Warm Blue #4B57DB ΔE 0.055
- Burple #6832E3 ΔE 0.065
Use #6B55EF 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.