#6D55DC
Closest named color: Light Indigo (#6D5ACF). oklch(54.9% 0.197 286.1), rgb(109, 85, 220).
Aa
White text reads best on this color (5.27:1).
About this color
#6D55DC is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.197 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.023 away. White text reads best on it, at 5.27:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.197) |
| Temperature | cool |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 3.98:1 |
| White text | 5.27:1 |
Values
| HEX | #6D55DC |
| RGB | rgb(109, 85, 220) |
| HSL | hsl(251, 66%, 60%) |
| OKLCH | oklch(54.9% 0.197 286.1) |
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 #6D55DC | 5.27:1 | AA | Lc -81.1 | Fine for body text |
| Black text on #6D55DC | 3.98:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #6D55DC text on white | 5.27:1 | AA | Lc 75.7 | Fine for body text |
| #6D55DC text on black | 3.98:1 | AA large text | Lc -26.0 | 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
#F4F4FD
oklch(97% 0.012 286.2)
-
Step 100
100
#E8E8FB
oklch(93.7% 0.026 285.9)
-
Step 200
200
#D6D5F9
oklch(88.5% 0.049 286.6)
-
Step 300
300
#BBB9F8
oklch(81% 0.088 285.7)
-
Step 400
400
#9A92F4
oklch(70.8% 0.141 285.9)
-
Step 500
500
#8473F0
oklch(63.2% 0.181 286.2)
-
Step 600
600 (this color)
#6D55DC
oklch(54.9% 0.197 286.1)
-
Step 700
700
#5D46C1
oklch(49% 0.183 286.1)
-
Step 800
800
#4C3B9C
oklch(42.7% 0.151 286.2)
-
Step 900
900
#3F347C
oklch(37.8% 0.118 286.3)
-
Step 950
950
#241F49
oklch(27% 0.075 285.6)
#6D55DC 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) | #006FE0 | 0.100 |
| Deuteranopia (no green cones) | #0068D9 | 0.098 |
| Tritanopia (no blue cones) | #447591 | 0.163 |
| Achromatopsia (no color) | #6C6C6C | 0.198 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D55DC
#6D55DC
oklch(54.9% 0.197 286.1)
- #7B7500
#7B7500
oklch(55% 0.117 106.1)
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 #6D55DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.023
- Slate Blue #6A5ACD ΔE 0.026
- Dark Periwinkle #665FD1 ΔE 0.030
- Iris #6258C4 ΔE 0.041
- Purpley #8756E4 ΔE 0.045
- Warm Blue #4B57DB ΔE 0.049
- Medium Slate Blue #7B68EE ΔE 0.056
- Bluey Purple #6241C7 ΔE 0.057
Use #6D55DC 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.