#6C4FAC
Closest named color: Iris (#6258C4). oklch(50.4% 0.143 295.1), rgb(108, 79, 172).
Aa
White text reads best on this color (6.26:1).
About this color
#6C4FAC is a medium-dark, vivid purple. In OKLCH its lightness is 50%, its chroma 0.143 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.043 away. White text reads best on it, at 6.26:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.35:1 |
| White text | 6.26:1 |
Values
| HEX | #6C4FAC |
| RGB | rgb(108, 79, 172) |
| HSL | hsl(259, 37%, 49%) |
| OKLCH | oklch(50.4% 0.143 295.1) |
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 #6C4FAC | 6.26:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #6C4FAC | 3.35:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #6C4FAC text on white | 6.26:1 | AA | Lc 81.0 | Fine for body text |
| #6C4FAC text on black | 3.35:1 | AA large text | Lc -20.9 | 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 700.
-
Step 50
50
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE7F6
oklch(93.5% 0.02 295.2)
-
Step 200
200
#DAD5F1
oklch(88.6% 0.038 293.8)
-
Step 300
300
#C3B8E9
oklch(80.8% 0.069 295.1)
-
Step 400
400
#A692DE
oklch(70.7% 0.111 295.5)
-
Step 500
500
#9175D5
oklch(63% 0.142 295.5)
-
Step 600
600
#7C5CC2
oklch(55.6% 0.154 295.4)
-
Step 700
700 (this color)
#6C4FAC
oklch(50.4% 0.143 295.1)
-
Step 800
800
#553E88
oklch(42.7% 0.119 295.2)
-
Step 900
900
#46366D
oklch(37.8% 0.092 295)
-
Step 950
950
#292040
oklch(27.1% 0.059 295.2)
#6C4FAC 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) | #2761AF | 0.092 |
| Deuteranopia (no green cones) | #2F5FAA | 0.087 |
| Tritanopia (no blue cones) | #5D6276 | 0.114 |
| Achromatopsia (no color) | #606060 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C4FAC
#6C4FAC
oklch(50.4% 0.143 295.1)
- #636B00
#636B00
oklch(50.4% 0.114 114.8)
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 #6C4FAC, closest first.
No curated palette has a color within ΔE 0.04 of #6C4FAC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.043
- Slate Blue #6A5ACD ΔE 0.055
- Light Indigo #6D5ACF ΔE 0.058
- Bluey Purple #6241C7 ΔE 0.058
- Dark Periwinkle #665FD1 ΔE 0.066
- Rebecca Purple #663399 ΔE 0.069
- Deep Lavender #8D5EB7 ΔE 0.072
- Twilight #4E518B ΔE 0.073
Use #6C4FAC 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.