#6A3357
Closest named color: Purple Brown (#673A3F). oklch(40.6% 0.092 342.1), rgb(106, 51, 87).
Aa
White text reads best on this color (9.44:1).
About this color
#6A3357 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.092 and its hue 342°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.050 away. White text reads best on it, at 9.44:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.092) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.22:1 |
| White text | 9.44:1 |
Values
| HEX | #6A3357 |
| RGB | rgb(106, 51, 87) |
| HSL | hsl(321, 35%, 31%) |
| OKLCH | oklch(40.6% 0.092 342.1) |
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 #6A3357 | 9.44:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #6A3357 | 2.22:1 | Fails | Lc 12.5 | Not readable |
| #6A3357 text on white | 9.44:1 | AAA | Lc 91.5 | Preferred for body text |
| #6A3357 text on black | 2.22:1 | Fails | Lc -10.9 | 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
#F9F4F7
oklch(97.2% 0.007 340.4)
-
Step 100
100
#F2E6ED
oklch(93.6% 0.016 341.4)
-
Step 200
200
#E8D2DF
oklch(88.6% 0.03 341.4)
-
Step 300
300
#DAB3CA
oklch(80.8% 0.054 342.2)
-
Step 400
400
#C68BB0
oklch(70.6% 0.087 341.5)
-
Step 500
500
#B76E9C
oklch(63.2% 0.11 342.3)
-
Step 600
600
#A25487
oklch(55.6% 0.121 342)
-
Step 700
700
#8A4472
oklch(49% 0.112 342)
-
Step 800
800 (this color)
#6A3357
oklch(40.6% 0.092 342.1)
-
Step 900
900
#5B314C
oklch(37.6% 0.072 342)
-
Step 950
950
#361D2D
oklch(27.1% 0.047 341.8)
#6A3357 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) | #364058 | 0.097 |
| Deuteranopia (no green cones) | #454956 | 0.087 |
| Tritanopia (no blue cones) | #703341 | 0.039 |
| Achromatopsia (no color) | #464646 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A3357
#6A3357
oklch(40.6% 0.092 342.1)
- #00583A
#00583A
oklch(40.7% 0.09 161.8)
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 #6A3357, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.050
- Brownish Purple #76424E ΔE 0.055
- Velvet #750851 ΔE 0.068
- Red Purple #820747 ΔE 0.073
- Grape Purple #5D1451 ΔE 0.074
- Rich Purple #720058 ΔE 0.077
- Wine #80013F ΔE 0.078
- Merlot #730039 ΔE 0.080
Use #6A3357 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.