#6F374B
Closest named color: Purple Brown (#673A3F). oklch(41.5% 0.083 358.6), rgb(111, 55, 75).
Aa
White text reads best on this color (9.03:1).
About this color
#6F374B is a dark, moderately saturated red. In OKLCH its lightness is 42%, its chroma 0.083 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.028 away. White text reads best on it, at 9.03:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.083) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.32:1 |
| White text | 9.03:1 |
Values
| HEX | #6F374B |
| RGB | rgb(111, 55, 75) |
| HSL | hsl(339, 34%, 33%) |
| OKLCH | oklch(41.5% 0.083 358.6) |
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 #6F374B | 9.03:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #6F374B | 2.32:1 | Fails | Lc 13.5 | Not readable |
| #6F374B text on white | 9.03:1 | AAA | Lc 90.5 | Preferred for body text |
| #6F374B text on black | 2.32:1 | Fails | Lc -11.8 | 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
#F2E6EA
oklch(93.6% 0.014 355)
-
Step 200
200
#E9D2D9
oklch(88.5% 0.027 357.3)
-
Step 300
300
#DCB4C0
oklch(80.9% 0.049 358.3)
-
Step 400
400
#C98DA0
oklch(70.8% 0.077 358.6)
-
Step 500
500
#BA6F88
oklch(63.1% 0.099 358.9)
-
Step 600
600
#A55772
oklch(55.7% 0.107 359.1)
-
Step 700
700
#8D4660
oklch(49.1% 0.101 358.2)
-
Step 800
800 (this color)
#6F374B
oklch(41.5% 0.083 358.6)
-
Step 900
900
#5D3241
oklch(37.7% 0.065 358.4)
-
Step 950
950
#371E26
oklch(27.1% 0.041 359.5)
#6F374B 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) | #3F424C | 0.090 |
| Deuteranopia (no green cones) | #4E4D4A | 0.083 |
| Tritanopia (no blue cones) | #77333E | 0.025 |
| Achromatopsia (no color) | #494949 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F374B
#6F374B
oklch(41.5% 0.083 358.6)
- #00594C
#00594C
oklch(41.5% 0.076 178.3)
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 #6F374B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.028
- Brownish Purple #76424E ΔE 0.033
- Red Purple #820747 ΔE 0.077
- Dark Mauve #874C62 ΔE 0.078
- Wine #80013F ΔE 0.079
- Bordeaux #7B002C ΔE 0.083
- Velvet #750851 ΔE 0.083
- Chestnut #742802 ΔE 0.084
Use #6F374B 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.