#6D55B9
Closest named color: Iris (#6258C4). oklch(52.4% 0.152 291.3), rgb(109, 85, 185).
Aa
White text reads best on this color (5.75:1).
About this color
#6D55B9 is a medium-dark, vivid purple. In OKLCH its lightness is 52%, its chroma 0.152 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.024 away. White text reads best on it, at 5.75:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.65:1 |
| White text | 5.75:1 |
Values
| HEX | #6D55B9 |
| RGB | rgb(109, 85, 185) |
| HSL | hsl(254, 42%, 53%) |
| OKLCH | oklch(52.4% 0.152 291.3) |
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 #6D55B9 | 5.75:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #6D55B9 | 3.65:1 | AA large text | Lc 25.5 | Dividers and decoration only |
| #6D55B9 text on white | 5.75:1 | AA | Lc 78.5 | Fine for body text |
| #6D55B9 text on black | 3.65:1 | AA large text | Lc -23.3 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D9D5F1
oklch(88.5% 0.038 292.2)
-
Step 300
300
#C0B9EA
oklch(80.8% 0.069 291.3)
-
Step 400
400
#A194DF
oklch(70.7% 0.109 291.3)
-
Step 500
500
#8B78D6
oklch(63.1% 0.139 291.2)
-
Step 600
600 (this color)
#6D55B9
oklch(52.4% 0.152 291.3)
-
Step 700
700
#634EA9
oklch(49.1% 0.14 291)
-
Step 800
800
#514089
oklch(42.7% 0.117 291.4)
-
Step 900
900
#43376E
oklch(37.8% 0.092 291.4)
-
Step 950
950
#272140
oklch(27.1% 0.057 291)
#6D55B9 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) | #2668BC | 0.090 |
| Deuteranopia (no green cones) | #2B64B7 | 0.086 |
| Tritanopia (no blue cones) | #586A7F | 0.123 |
| Achromatopsia (no color) | #666666 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D55B9
#6D55B9
oklch(52.4% 0.152 291.3)
- #6D7000
#6D7000
oklch(52.5% 0.116 111.6)
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 #6D55B9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.024
- Slate Blue #6A5ACD ΔE 0.032
- Light Indigo #6D5ACF ΔE 0.035
- Dark Periwinkle #665FD1 ΔE 0.043
- Bluey Purple #6241C7 ΔE 0.056
- Deep Lavender #8D5EB7 ΔE 0.062
- Warm Blue #4B57DB ΔE 0.072
- Blue With A Hint Of Purple #533CC6 ΔE 0.078
Use #6D55B9 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.