#6B3145
Closest named color: Purple Brown (#673A3F). oklch(39.7% 0.086 359.9), rgb(107, 49, 69).
Aa
White text reads best on this color (9.76:1).
About this color
#6B3145 is a dark, moderately saturated red. In OKLCH its lightness is 40%, its chroma 0.086 and its hue 360°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.029 away. White text reads best on it, at 9.76:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.086) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.15:1 |
| White text | 9.76:1 |
Values
| HEX | #6B3145 |
| RGB | rgb(107, 49, 69) |
| HSL | hsl(339, 37%, 31%) |
| OKLCH | oklch(39.7% 0.086 359.9) |
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 #6B3145 | 9.76:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #6B3145 | 2.15:1 | Fails | Lc 11.7 | Not readable |
| #6B3145 text on white | 9.76:1 | AAA | Lc 92.3 | Preferred for body text |
| #6B3145 text on black | 2.15:1 | Fails | Lc -10.1 | 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 900.
-
Step 50
50
#FBF3F5
oklch(97.1% 0.009 0.1)
-
Step 100
100
#F5E5E9
oklch(93.6% 0.018 0.4)
-
Step 200
200
#EED0D8
oklch(88.5% 0.035 359.9)
-
Step 300
300
#E5B0BF
oklch(81% 0.065 359.9)
-
Step 400
400
#D5859E
oklch(70.7% 0.102 359.9)
-
Step 500
500
#C86486
oklch(63.1% 0.132 0)
-
Step 600
600
#B34970
oklch(55.6% 0.143 359.9)
-
Step 700
700
#9A3A5E
oklch(49.2% 0.133 359.9)
-
Step 800
800
#7D304C
oklch(42.6% 0.111 0.2)
-
Step 900
900 (this color)
#6B3145
oklch(39.7% 0.086 359.9)
-
Step 950
950
#3B1A25
oklch(26.9% 0.054 0.2)
#6B3145 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) | #3A3D46 | 0.094 |
| Deuteranopia (no green cones) | #494844 | 0.087 |
| Tritanopia (no blue cones) | #732D38 | 0.025 |
| Achromatopsia (no color) | #444444 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B3145
#6B3145
oklch(39.7% 0.086 359.9)
- #005348
#005348
oklch(39.6% 0.072 179.9)
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 #6B3145, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.029
- Brownish Purple #76424E ΔE 0.051
- Merlot #730039 ΔE 0.071
- Wine #80013F ΔE 0.071
- Bordeaux #7B002C ΔE 0.071
- Red Purple #820747 ΔE 0.071
- Wine Red #7B0323 ΔE 0.073
- Velvet #750851 ΔE 0.074
Use #6B3145 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.