#6C5FB5
Closest named color: Iris (#6258C4). oklch(53.8% 0.131 288.1), rgb(108, 95, 181).
Aa
White text reads best on this color (5.32:1).
About this color
#6C5FB5 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 54%, its chroma 0.131 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.036 away. White text reads best on it, at 5.32:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.94:1 |
| White text | 5.32:1 |
Values
| HEX | #6C5FB5 |
| RGB | rgb(108, 95, 181) |
| HSL | hsl(249, 37%, 54%) |
| OKLCH | oklch(53.8% 0.131 288.1) |
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 #6C5FB5 | 5.32:1 | AA | Lc -81.7 | Fine for body text |
| Black text on #6C5FB5 | 3.94:1 | AA large text | Lc 27.7 | Dividers and decoration only |
| #6C5FB5 text on white | 5.32:1 | AA | Lc 76.4 | Fine for body text |
| #6C5FB5 text on black | 3.94:1 | AA large text | Lc -25.4 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F5
oklch(93.6% 0.017 289.6)
-
Step 200
200
#D7D6EE
oklch(88.4% 0.033 287.6)
-
Step 300
300
#BEBBE5
oklch(80.8% 0.059 288.3)
-
Step 400
400
#9D97D8
oklch(70.6% 0.094 288)
-
Step 500
500
#877CCE
oklch(63.1% 0.121 288.6)
-
Step 600
600 (this color)
#6C5FB5
oklch(53.8% 0.131 288.1)
-
Step 700
700
#5F53A1
oklch(49.2% 0.121 288.2)
-
Step 800
800
#4D4482
oklch(42.6% 0.1 288)
-
Step 900
900
#403A69
oklch(37.8% 0.079 287.9)
-
Step 950
950
#25223D
oklch(26.9% 0.05 287.7)
#6C5FB5 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) | #3E6DB8 | 0.065 |
| Deuteranopia (no green cones) | #3E69B3 | 0.063 |
| Tritanopia (no blue cones) | #587081 | 0.110 |
| Achromatopsia (no color) | #6B6B6B | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C5FB5
#6C5FB5
oklch(53.8% 0.131 288.1)
- #757200
#757200
oklch(53.7% 0.116 107.9)
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 #6C5FB5, closest first.
No curated palette has a color within ΔE 0.04 of #6C5FB5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.036
- Slate Blue #6A5ACD ΔE 0.041
- Light Indigo #6D5ACF ΔE 0.044
- Dark Periwinkle #665FD1 ΔE 0.044
- Deep Lavender #8D5EB7 ΔE 0.055
- French Blue #436BAD ΔE 0.062
- Dark Lavender #856798 ΔE 0.069
- Dusky Blue #475F94 ΔE 0.077
Use #6C5FB5 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.