#6D374A
Closest named color: Purple Brown (#673A3F). oklch(41.2% 0.08 358.8), rgb(109, 55, 74).
Aa
White text reads best on this color (9.14:1).
About this color
#6D374A is a dark, moderately saturated red. In OKLCH its lightness is 41%, its chroma 0.080 and its hue 359°. 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 9.14:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.080) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.29:1 |
| White text | 9.14:1 |
Values
| HEX | #6D374A |
| RGB | rgb(109, 55, 74) |
| HSL | hsl(339, 33%, 32%) |
| OKLCH | oklch(41.2% 0.08 358.8) |
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 #6D374A | 9.14:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #6D374A | 2.29:1 | Fails | Lc 13.2 | Not readable |
| #6D374A text on white | 9.14:1 | AAA | Lc 90.8 | Preferred for body text |
| #6D374A 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
#E9D2D9
oklch(88.5% 0.027 357.3)
-
Step 300
300
#DBB5C0
oklch(81% 0.046 358.9)
-
Step 400
400
#C88DA0
oklch(70.7% 0.076 358.2)
-
Step 500
500
#B87088
oklch(63% 0.095 358.7)
-
Step 600
600
#A35872
oklch(55.6% 0.103 358.9)
-
Step 700
700
#8C4860
oklch(49.2% 0.096 358.8)
-
Step 800
800 (this color)
#6D374A
oklch(41.2% 0.08 358.8)
-
Step 900
900
#5C3341
oklch(37.7% 0.062 358.6)
-
Step 950
950
#361E26
oklch(27% 0.039 358.6)
#6D374A 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) | #3F424B | 0.087 |
| Deuteranopia (no green cones) | #4D4C49 | 0.080 |
| Tritanopia (no blue cones) | #75333E | 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°).
- #6D374A
#6D374A
oklch(41.2% 0.08 358.8)
- #00584B
#00584B
oklch(41.2% 0.076 178.2)
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 #6D374A, 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 0.035
- Red Purple #820747 ΔE 0.079
- Wine #80013F ΔE 0.080
- Dark Mauve #874C62 ΔE 0.081
- Chestnut #742802 ΔE 0.083
- Bordeaux #7B002C ΔE 0.083
- Velvet #750851 ΔE 0.084
Use #6D374A 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.