#6B3554
Closest named color: Purple Brown (#673A3F). oklch(40.9% 0.087 346.1), rgb(107, 53, 84).
Aa
White text reads best on this color (9.28:1).
About this color
#6B3554 is a dark, moderately saturated red. In OKLCH its lightness is 41%, its chroma 0.087 and its hue 346°. 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 9.28:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.087) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.26:1 |
| White text | 9.28:1 |
Values
| HEX | #6B3554 |
| RGB | rgb(107, 53, 84) |
| HSL | hsl(326, 34%, 31%) |
| OKLCH | oklch(40.9% 0.087 346.1) |
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 #6B3554 | 9.28:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #6B3554 | 2.26:1 | Fails | Lc 12.8 | Not readable |
| #6B3554 text on white | 9.28:1 | AAA | Lc 91.1 | Preferred for body text |
| #6B3554 text on black | 2.26:1 | Fails | Lc -11.2 | 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
#F2E6EC
oklch(93.6% 0.015 345.6)
-
Step 200
200
#E8D2DD
oklch(88.5% 0.028 346)
-
Step 300
300
#DAB4C7
oklch(80.9% 0.05 346.7)
-
Step 400
400
#C68CAB
oklch(70.6% 0.081 346.1)
-
Step 500
500
#B76F97
oklch(63.2% 0.104 346.1)
-
Step 600
600
#A25681
oklch(55.7% 0.113 346.4)
-
Step 700
700
#8A466D
oklch(49.1% 0.105 346.2)
-
Step 800
800 (this color)
#6B3554
oklch(40.9% 0.087 346.1)
-
Step 900
900
#5B3249
oklch(37.7% 0.068 346.1)
-
Step 950
950
#361E2B
oklch(27.2% 0.043 346.6)
#6B3554 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) | #3A4155 | 0.092 |
| Deuteranopia (no green cones) | #484A53 | 0.083 |
| Tritanopia (no blue cones) | #713441 | 0.033 |
| Achromatopsia (no color) | #474747 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B3554
#6B3554
oklch(40.9% 0.087 346.1)
- #005840
#005840
oklch(40.8% 0.084 166.8)
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 #6B3554, 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 0.047
- Velvet #750851 ΔE 0.073
- Red Purple #820747 ΔE 0.075
- Wine #80013F ΔE 0.079
- Grape Purple #5D1451 ΔE 0.081
- Merlot #730039 ΔE 0.082
- Rich Purple #720058 ΔE 0.083
Use #6B3554 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.