#6B3C4E
Closest named color: Purple Brown (#673A3F). oklch(41.9% 0.07 356.1), rgb(107, 60, 78).
Aa
White text reads best on this color (8.81:1).
About this color
#6B3C4E is a dark, moderately saturated red. In OKLCH its lightness is 42%, its chroma 0.070 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.025 away. White text reads best on it, at 8.81:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.070) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.38:1 |
| White text | 8.81:1 |
Values
| HEX | #6B3C4E |
| RGB | rgb(107, 60, 78) |
| HSL | hsl(337, 28%, 33%) |
| OKLCH | oklch(41.9% 0.07 356.1) |
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 #6B3C4E | 8.81:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #6B3C4E | 2.38:1 | Fails | Lc 14.0 | Not readable |
| #6B3C4E text on white | 8.81:1 | AAA | Lc 90.0 | Fine for body text |
| #6B3C4E text on black | 2.38:1 | Fails | Lc -12.3 | 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
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F1E7EA
oklch(93.7% 0.012 357)
-
Step 200
200
#E6D3D9
oklch(88.4% 0.022 356.4)
-
Step 300
300
#D8B6C1
oklch(80.9% 0.042 356.6)
-
Step 400
400
#C390A2
oklch(70.8% 0.066 355.9)
-
Step 500
500
#B2748B
oklch(63.1% 0.083 355.9)
-
Step 600
600
#9D5C75
oklch(55.6% 0.09 355.9)
-
Step 700
700
#864B62
oklch(49% 0.085 355.9)
-
Step 800
800 (this color)
#6B3C4E
oklch(41.9% 0.07 356.1)
-
Step 900
900
#593542
oklch(37.7% 0.055 356.8)
-
Step 950
950
#341F27
oklch(26.9% 0.035 355.2)
#6B3C4E 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) | #42454F | 0.076 |
| Deuteranopia (no green cones) | #4E4D4D | 0.069 |
| Tritanopia (no blue cones) | #723A42 | 0.023 |
| Achromatopsia (no color) | #4A4A4A | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B3C4E
#6B3C4E
oklch(41.9% 0.07 356.1)
- #15594B
#15594B
oklch(41.9% 0.07 175.7)
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 #6B3C4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.025
- Brownish Purple #76424E ΔE 0.029
- Dark Mauve #874C62 ΔE 0.075
- Dusty Grape #545775 ΔE 0.089
- Chestnut #742802 ΔE 0.090
- Red Purple #820747 ΔE 0.090
- Charcoal Grey #3C4142 ΔE 0.090
- Red Brown #8B2E16 ΔE 0.090
Use #6B3C4E 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.