#6D3749
Closest named color: Purple Brown (#673A3F). oklch(41.2% 0.079 359.9), rgb(109, 55, 73).
Aa
White text reads best on this color (9.15:1).
About this color
#6D3749 is a dark, moderately saturated red. In OKLCH its lightness is 41%, its chroma 0.079 and its hue 360°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.023 away. White text reads best on it, at 9.15:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.079) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.29:1 |
| White text | 9.15:1 |
Values
| HEX | #6D3749 |
| RGB | rgb(109, 55, 73) |
| HSL | hsl(340, 33%, 32%) |
| OKLCH | oklch(41.2% 0.079 359.9) |
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 #6D3749 | 9.15:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #6D3749 | 2.29:1 | Fails | Lc 13.2 | Not readable |
| #6D3749 text on white | 9.15:1 | AAA | Lc 90.8 | Preferred for body text |
| #6D3749 text on black | 2.29:1 | Fails | Lc -11.5 | 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
#F2E6E9
oklch(93.5% 0.014 0.3)
-
Step 200
200
#E9D2D8
oklch(88.4% 0.027 0)
-
Step 300
300
#DBB5BF
oklch(80.9% 0.046 0.6)
-
Step 400
400
#C88D9F
oklch(70.6% 0.075 359.3)
-
Step 500
500
#B87187
oklch(63.1% 0.093 0.1)
-
Step 600
600
#A35871
oklch(55.6% 0.102 359.7)
-
Step 700
700
#8C485E
oklch(49.2% 0.095 0.6)
-
Step 800
800 (this color)
#6D3749
oklch(41.2% 0.079 359.9)
-
Step 900
900
#5C3340
oklch(37.7% 0.062 0.1)
-
Step 950
950
#361E26
oklch(27% 0.039 358.6)
#6D3749 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) | #3F424A | 0.087 |
| Deuteranopia (no green cones) | #4D4C48 | 0.080 |
| Tritanopia (no blue cones) | #75333D | 0.024 |
| Achromatopsia (no color) | #484848 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D3749
#6D3749
oklch(41.2% 0.079 359.9)
- #00584C
#00584C
oklch(41.2% 0.075 179.4)
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 #6D3749, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.023
- Brownish Purple #76424E ΔE 0.035
- Red Purple #820747 ΔE 0.079
- Wine #80013F ΔE 0.080
- Chestnut #742802 ΔE 0.081
- Dark Mauve #874C62 ΔE 0.082
- Bordeaux #7B002C ΔE 0.083
- Wine Red #7B0323 ΔE 0.084
Use #6D3749 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.