#6B4D8A
Closest named color: Twilight (#4E518B). oklch(47.9% 0.101 305.6), rgb(107, 77, 138).
Aa
White text reads best on this color (6.87:1).
About this color
#6B4D8A is a medium-dark, moderately saturated purple. In OKLCH its lightness is 48%, its chroma 0.101 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.048 away. White text reads best on it, at 6.87:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.101) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.05:1 |
| White text | 6.87:1 |
Values
| HEX | #6B4D8A |
| RGB | rgb(107, 77, 138) |
| HSL | hsl(270, 28%, 42%) |
| OKLCH | oklch(47.9% 0.101 305.6) |
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 #6B4D8A | 6.87:1 | AA | Lc -88.6 | Fine for body text |
| Black text on #6B4D8A | 3.05:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #6B4D8A text on white | 6.87:1 | AA | Lc 83.6 | Fine for body text |
| #6B4D8A text on black | 3.05:1 | AA large text | Lc -18.3 | 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 700.
-
Step 50
50
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#ECE8F2
oklch(93.7% 0.014 304.1)
-
Step 200
200
#DDD5E8
oklch(88.5% 0.027 304.8)
-
Step 300
300
#C8B9DA
oklch(80.9% 0.049 305.9)
-
Step 400
400
#AC94C8
oklch(70.6% 0.079 305.5)
-
Step 500
500
#9879B9
oklch(63% 0.1 305.9)
-
Step 600
600
#8362A5
oklch(55.7% 0.107 305.9)
-
Step 700
700 (this color)
#6B4D8A
oklch(47.9% 0.101 305.6)
-
Step 800
800
#5A4273
oklch(42.7% 0.083 305.7)
-
Step 900
900
#4A385D
oklch(37.7% 0.065 305.8)
-
Step 950
950
#2B2136
oklch(26.9% 0.04 305.7)
#6B4D8A 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) | #3E598C | 0.072 |
| Deuteranopia (no green cones) | #455A88 | 0.066 |
| Tritanopia (no blue cones) | #665765 | 0.074 |
| Achromatopsia (no color) | #5A5A5A | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B4D8A
#6B4D8A
oklch(47.9% 0.101 305.6)
- #506720
#506720
oklch(47.9% 0.101 125.4)
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 #6B4D8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.048
- Dusk #4E5481 ΔE 0.053
- Light Eggplant #894585 ΔE 0.056
- Muted Purple #805B87 ΔE 0.057
- Dusty Grape #545775 ΔE 0.062
- Dull Purple #84597E ΔE 0.064
- Dusty Purple #825F87 ΔE 0.068
- Dusky Blue #475F94 ΔE 0.068
Use #6B4D8A 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.