#6F55DE
Closest named color: Light Indigo (#6D5ACF). oklch(55.2% 0.199 286.6), rgb(111, 85, 222).
Aa
White text reads best on this color (5.21:1).
About this color
#6F55DE is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.199 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.026 away. White text reads best on it, at 5.21:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.199) |
| Temperature | cool |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 4.03:1 |
| White text | 5.21:1 |
Values
| HEX | #6F55DE |
| RGB | rgb(111, 85, 222) |
| HSL | hsl(251, 67%, 60%) |
| OKLCH | oklch(55.2% 0.199 286.6) |
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 #6F55DE | 5.21:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #6F55DE | 4.03:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #6F55DE text on white | 5.21:1 | AA | Lc 75.4 | Fine for body text |
| #6F55DE text on black | 4.03:1 | AA large text | Lc -26.3 | 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
#BCB8F8
oklch(80.8% 0.09 287.1)
-
Step 400
400
#9B91F5
oklch(70.7% 0.144 286.7)
-
Step 500
500
#8572F1
oklch(63.2% 0.183 286.8)
-
Step 600
600 (this color)
#6F55DE
oklch(55.2% 0.199 286.6)
-
Step 700
700
#5E45C2
oklch(49% 0.186 286.6)
-
Step 800
800
#4D3A9D
oklch(42.8% 0.154 286.8)
-
Step 900
900
#3F337D
oklch(37.7% 0.12 286.5)
-
Step 950
950
#251F49
oklch(27.1% 0.075 286.8)
#6F55DE 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) | #0070E2 | 0.103 |
| Deuteranopia (no green cones) | #0069DB | 0.101 |
| Tritanopia (no blue cones) | #467692 | 0.165 |
| Achromatopsia (no color) | #6D6D6D | 0.200 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F55DE
#6F55DE
oklch(55.2% 0.199 286.6)
- #7B7600
#7B7600
oklch(55.2% 0.118 106.7)
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 #6F55DE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.026
- Slate Blue #6A5ACD ΔE 0.030
- Dark Periwinkle #665FD1 ΔE 0.033
- Purpley #8756E4 ΔE 0.041
- Iris #6258C4 ΔE 0.045
- Warm Blue #4B57DB ΔE 0.052
- Medium Slate Blue #7B68EE ΔE 0.053
- Bluey Purple #6241C7 ΔE 0.060
Use #6F55DE 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.