#6D3F42
Closest named color: Purple Brown (#673A3F). oklch(42.4% 0.064 16), rgb(109, 63, 66).
Aa
White text reads best on this color (8.60:1).
About this color
#6D3F42 is a dark, muted red. In OKLCH its lightness is 42%, its chroma 0.064 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.019 away. White text reads best on it, at 8.60:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | muted (0.064) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.43:1 |
| White text | 8.60:1 |
Values
| HEX | #6D3F42 |
| RGB | rgb(109, 63, 66) |
| HSL | hsl(356, 27%, 34%) |
| OKLCH | oklch(42.4% 0.064 16) |
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 #6D3F42 | 8.60:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #6D3F42 | 2.43:1 | Fails | Lc 14.6 | Not readable |
| #6D3F42 text on white | 8.60:1 | AAA | Lc 89.4 | Fine for body text |
| #6D3F42 text on black | 2.43:1 | Fails | Lc -12.9 | 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
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F1E7E7
oklch(93.6% 0.011 17.4)
-
Step 200
200
#E7D4D4
oklch(88.5% 0.021 17.6)
-
Step 300
300
#D8B7B8
oklch(80.8% 0.038 15.9)
-
Step 400
400
#C39294
oklch(70.7% 0.059 16)
-
Step 500
500
#B3767A
oklch(63% 0.077 15.2)
-
Step 600
600
#9E5E62
oklch(55.5% 0.084 16.1)
-
Step 700
700
#874E52
oklch(49.2% 0.077 15.8)
-
Step 800
800 (this color)
#6D3F42
oklch(42.4% 0.064 16)
-
Step 900
900
#593638
oklch(37.6% 0.05 16)
-
Step 950
950
#342021
oklch(26.9% 0.031 16.1)
#6D3F42 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) | #484642 | 0.069 |
| Deuteranopia (no green cones) | #534F41 | 0.064 |
| Tritanopia (no blue cones) | #753A40 | 0.018 |
| Achromatopsia (no color) | #4C4C4C | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D3F42
#6D3F42
oklch(42.4% 0.064 16)
- #15595A
#15595A
oklch(42.4% 0.065 196.5)
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 #6D3F42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.019
- Brownish Purple #76424E ΔE 0.026
- Chestnut #742802 ΔE 0.074
- Red Brown #8B2E16 ΔE 0.075
- Dark Mauve #874C62 ΔE 0.076
- Mud Brown #60460F ΔE 0.078
- Milk Chocolate #7F4E1E ΔE 0.080
- Rust Brown #8B3103 ΔE 0.080
Use #6D3F42 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.