#6B4C8A
Closest named color: Twilight (#4E518B). oklch(47.7% 0.102 305.9), rgb(107, 76, 138).
Aa
White text reads best on this color (6.94:1).
About this color
#6B4C8A is a medium-dark, moderately saturated purple. In OKLCH its lightness is 48%, its chroma 0.102 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 6.94:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.02:1 |
| White text | 6.94:1 |
Values
| HEX | #6B4C8A |
| RGB | rgb(107, 76, 138) |
| HSL | hsl(270, 29%, 42%) |
| OKLCH | oklch(47.7% 0.102 305.9) |
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 #6B4C8A | 6.94:1 | AA | Lc -88.8 | Fine for body text |
| Black text on #6B4C8A | 3.02:1 | AA large text | Lc 20.2 | Dividers and decoration only |
| #6B4C8A text on white | 6.94:1 | AA | Lc 83.9 | Fine for body text |
| #6B4C8A text on black | 3.02:1 | AA large text | Lc -18.1 | 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
#C8B9DB
oklch(80.9% 0.05 305.3)
-
Step 400
400
#AD94C8
oklch(70.7% 0.079 306.4)
-
Step 500
500
#9979BA
oklch(63.1% 0.101 306.3)
-
Step 600
600
#8361A6
oklch(55.6% 0.11 305.8)
-
Step 700
700 (this color)
#6B4C8A
oklch(47.7% 0.102 305.9)
-
Step 800
800
#5A4274
oklch(42.7% 0.085 305.2)
-
Step 900
900
#4A385D
oklch(37.7% 0.065 305.8)
-
Step 950
950
#2B2137
oklch(27% 0.042 304.6)
#6B4C8A 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) | #3D598C | 0.074 |
| Deuteranopia (no green cones) | #445A88 | 0.069 |
| Tritanopia (no blue cones) | #665664 | 0.076 |
| Achromatopsia (no color) | #5A5A5A | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B4C8A
#6B4C8A
oklch(47.7% 0.102 305.9)
- #4E671E
#4E671E
oklch(47.8% 0.103 126.3)
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 #6B4C8A, 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 0.054
- Light Eggplant #894585 ΔE 0.056
- Muted Purple #805B87 ΔE 0.059
- Dusty Grape #545775 ΔE 0.063
- Dull Purple #84597E ΔE 0.066
- Rebecca Purple #663399 ΔE 0.069
- Dusky Blue #475F94 ΔE 0.070
Use #6B4C8A 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.