#6C55C4
Closest named color: Iris (#6258C4). oklch(53% 0.166 289), rgb(108, 85, 196).
Aa
White text reads best on this color (5.62:1).
About this color
#6C55C4 is a medium-dark, vivid purple. In OKLCH its lightness is 53%, its chroma 0.166 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.017 away. White text reads best on it, at 5.62:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.166) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.73:1 |
| White text | 5.62:1 |
Values
| HEX | #6C55C4 |
| RGB | rgb(108, 85, 196) |
| HSL | hsl(252, 48%, 55%) |
| OKLCH | oklch(53% 0.166 289) |
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 #6C55C4 | 5.62:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #6C55C4 | 3.73:1 | AA large text | Lc 26.3 | Dividers and decoration only |
| #6C55C4 text on white | 5.62:1 | AA | Lc 77.8 | Fine for body text |
| #6C55C4 text on black | 3.73:1 | AA large text | Lc -24.0 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F8
oklch(93.6% 0.021 288.9)
-
Step 200
200
#D8D5F4
oklch(88.5% 0.042 289.9)
-
Step 300
300
#BEB9EF
oklch(80.8% 0.076 288.8)
-
Step 400
400
#9E93E6
oklch(70.6% 0.12 289)
-
Step 500
500
#8877DF
oklch(63.2% 0.152 288.8)
-
Step 600
600 (this color)
#6C55C4
oklch(53% 0.166 289)
-
Step 700
700
#614CB1
oklch(49.2% 0.154 289)
-
Step 800
800
#4F3F8F
oklch(42.7% 0.127 289.1)
-
Step 900
900
#413672
oklch(37.6% 0.099 289.1)
-
Step 950
950
#262043
oklch(27% 0.064 289.3)
#6C55C4 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) | #106AC8 | 0.097 |
| Deuteranopia (no green cones) | #1565C2 | 0.095 |
| Tritanopia (no blue cones) | #516D84 | 0.136 |
| Achromatopsia (no color) | #676767 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C55C4
#6C55C4
oklch(53% 0.166 289)
- #727000
#727000
oklch(53% 0.115 108.5)
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 #6C55C4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.017
- Slate Blue #6A5ACD ΔE 0.017
- Light Indigo #6D5ACF ΔE 0.020
- Dark Periwinkle #665FD1 ΔE 0.030
- Bluey Purple #6241C7 ΔE 0.049
- Warm Blue #4B57DB ΔE 0.060
- Purpley #8756E4 ΔE 0.066
- Deep Lavender #8D5EB7 ΔE 0.067
Use #6C55C4 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.