#6C4B91
Closest named color: Twilight (#4E518B). oklch(48% 0.114 304.2), rgb(108, 75, 145).
Aa
White text reads best on this color (6.87:1).
About this color
#6C4B91 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 48%, its chroma 0.114 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.052 away. White text reads best on it, at 6.87:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.05:1 |
| White text | 6.87:1 |
Values
| HEX | #6C4B91 |
| RGB | rgb(108, 75, 145) |
| HSL | hsl(268, 32%, 43%) |
| OKLCH | oklch(48% 0.114 304.2) |
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 #6C4B91 | 6.87:1 | AA | Lc -88.6 | Fine for body text |
| Black text on #6C4B91 | 3.05:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #6C4B91 text on white | 6.87:1 | AA | Lc 83.6 | Fine for body text |
| #6C4B91 text on black | 3.05:1 | AA large text | Lc -18.4 | 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 700.
-
Step 50
50
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#ECE7F3
oklch(93.5% 0.017 304.8)
-
Step 200
200
#DDD5EA
oklch(88.6% 0.03 303)
-
Step 300
300
#C8B8DE
oklch(80.8% 0.055 304.3)
-
Step 400
400
#AD93CD
oklch(70.7% 0.088 304.7)
-
Step 500
500
#9977C1
oklch(63.1% 0.114 304.5)
-
Step 600
600
#835FAD
oklch(55.6% 0.123 304)
-
Step 700
700 (this color)
#6C4B91
oklch(48% 0.114 304.2)
-
Step 800
800
#5A4078
oklch(42.6% 0.094 304.1)
-
Step 900
900
#4A3761
oklch(37.7% 0.073 303.9)
-
Step 950
950
#2B2039
oklch(26.9% 0.047 303.6)
#6C4B91 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) | #385993 | 0.081 |
| Deuteranopia (no green cones) | #405A8F | 0.075 |
| Tritanopia (no blue cones) | #665767 | 0.085 |
| Achromatopsia (no color) | #5A5A5A | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C4B91
#6C4B91
oklch(48% 0.114 304.2)
- #50680D
#50680D
oklch(48.1% 0.114 124.4)
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 #6C4B91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.052
- Light Eggplant #894585 ΔE 0.057
- Rebecca Purple #663399 ΔE 0.061
- Dusk #4E5481 ΔE 0.062
- Muted Purple #805B87 ΔE 0.064
- Dull Purple #84597E ΔE 0.072
- Dusky Blue #475F94 ΔE 0.073
- Dusty Grape #545775 ΔE 0.073
Use #6C4B91 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.