#6B3756
Closest named color: Purple Brown (#673A3F). oklch(41.4% 0.085 344.7), rgb(107, 55, 86).
Aa
White text reads best on this color (9.10:1).
About this color
#6B3756 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.085 and its hue 345°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.042 away. White text reads best on it, at 9.10:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.085) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.30:1 |
| White text | 9.10:1 |
Values
| HEX | #6B3756 |
| RGB | rgb(107, 55, 86) |
| HSL | hsl(324, 32%, 32%) |
| OKLCH | oklch(41.4% 0.085 344.7) |
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 #6B3756 | 9.10:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #6B3756 | 2.30:1 | Fails | Lc 13.3 | Not readable |
| #6B3756 text on white | 9.10:1 | AAA | Lc 90.7 | Preferred for body text |
| #6B3756 text on black | 2.30:1 | Fails | Lc -11.6 | Not readable |
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 800.
-
Step 50
50
#F9F4F6
oklch(97.2% 0.006 350.8)
-
Step 100
100
#F1E6EC
oklch(93.5% 0.014 343.2)
-
Step 200
200
#E7D2DD
oklch(88.4% 0.027 344.7)
-
Step 300
300
#D9B4C8
oklch(80.8% 0.05 344.6)
-
Step 400
400
#C58DAC
oklch(70.7% 0.079 345)
-
Step 500
500
#B57098
oklch(63.2% 0.101 344.7)
-
Step 600
600
#A05782
oklch(55.6% 0.11 345)
-
Step 700
700
#89476E
oklch(49.2% 0.102 345.1)
-
Step 800
800 (this color)
#6B3756
oklch(41.4% 0.085 344.7)
-
Step 900
900
#5A334A
oklch(37.8% 0.065 344.4)
-
Step 950
950
#351E2B
oklch(27% 0.041 345.3)
#6B3756 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) | #3B4357 | 0.089 |
| Deuteranopia (no green cones) | #484B55 | 0.081 |
| Tritanopia (no blue cones) | #713743 | 0.034 |
| Achromatopsia (no color) | #484848 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B3756
#6B3756
oklch(41.4% 0.085 344.7)
- #07593F
#07593F
oklch(41.2% 0.084 164.6)
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 #6B3756, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.042
- Brownish Purple #76424E ΔE 0.044
- Velvet #750851 ΔE 0.077
- Red Purple #820747 ΔE 0.079
- Dark Mauve #874C62 ΔE 0.081
- Wine #80013F ΔE 0.083
- Grape Purple #5D1451 ΔE 0.085
- Rich Purple #720058 ΔE 0.087
Use #6B3756 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.