#6B4AC5
Closest named color: Bluey Purple (#6241C7). oklch(51.2% 0.183 290.9), rgb(107, 74, 197).
Aa
White text reads best on this color (6.15:1).
About this color
#6B4AC5 is a medium-dark, vivid purple. In OKLCH its lightness is 51%, its chroma 0.183 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.026 away. White text reads best on it, at 6.15:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.183) |
| Temperature | in between |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.41:1 |
| White text | 6.15:1 |
Values
| HEX | #6B4AC5 |
| RGB | rgb(107, 74, 197) |
| HSL | hsl(256, 51%, 53%) |
| OKLCH | oklch(51.2% 0.183 290.9) |
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 #6B4AC5 | 6.15:1 | AA | Lc -85.4 | Fine for body text |
| Black text on #6B4AC5 | 3.41:1 | AA large text | Lc 23.8 | Dividers and decoration only |
| #6B4AC5 text on white | 6.15:1 | AA | Lc 80.3 | Fine for body text |
| #6B4AC5 text on black | 3.41:1 | AA large text | Lc -21.6 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7FA
oklch(93.5% 0.026 290.7)
-
Step 200
200
#D8D4F8
oklch(88.4% 0.049 290.4)
-
Step 300
300
#C0B7F6
oklch(80.9% 0.088 290.8)
-
Step 400
400
#A18FF1
oklch(70.6% 0.141 290.8)
-
Step 500
500
#8C70EC
oklch(63.1% 0.18 290.7)
-
Step 600
600
#7854DB
oklch(55.6% 0.197 290.9)
-
Step 700
700 (this color)
#6B4AC5
oklch(51.2% 0.183 290.9)
-
Step 800
800
#52389A
oklch(42.7% 0.152 290.7)
-
Step 900
900
#44327A
oklch(37.7% 0.118 291.2)
-
Step 950
950
#271E48
oklch(27% 0.075 290.3)
#6B4AC5 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) | #0063C9 | 0.107 |
| Deuteranopia (no green cones) | #005FC2 | 0.107 |
| Tritanopia (no blue cones) | #506781 | 0.147 |
| Achromatopsia (no color) | #616161 | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B4AC5
#6B4AC5
oklch(51.2% 0.183 290.9)
- #6A6C00
#6A6C00
oklch(51.2% 0.113 111)
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 #6B4AC5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.026
- Iris #6258C4 ΔE 0.033
- Slate Blue #6A5ACD ΔE 0.037
- Light Indigo #6D5ACF ΔE 0.039
- Dark Periwinkle #665FD1 ΔE 0.050
- Blue With A Hint Of Purple #533CC6 ΔE 0.053
- Blurple #5539CC ΔE 0.055
- Warm Blue #4B57DB ΔE 0.062
Use #6B4AC5 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.