#6B2840
Closest named color: Purple Brown (#673A3F). oklch(38.2% 0.099 0.6), rgb(107, 40, 64).
Aa
White text reads best on this color (10.48:1).
About this color
#6B2840 is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.099 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.046 away. White text reads best on it, at 10.48:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.099) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.00:1 |
| White text | 10.48:1 |
Values
| HEX | #6B2840 |
| RGB | rgb(107, 40, 64) |
| HSL | hsl(339, 46%, 29%) |
| OKLCH | oklch(38.2% 0.099 0.6) |
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 #6B2840 | 10.48:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #6B2840 | 2.00:1 | Fails | Lc 10.2 | Not readable |
| #6B2840 text on white | 10.48:1 | AAA | Lc 93.8 | Preferred for body text |
| #6B2840 text on black | 2.00:1 | Fails | Lc -8.8 | 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 900.
-
Step 50
50
#FCF3F5
oklch(97.2% 0.01 2)
-
Step 100
100
#F7E4E9
oklch(93.5% 0.022 359.7)
-
Step 200
200
#F2CED8
oklch(88.5% 0.042 359.4)
-
Step 300
300
#EAADBE
oklch(80.9% 0.074 0.5)
-
Step 400
400
#DD809D
oklch(70.8% 0.119 0.6)
-
Step 500
500
#D05C85
oklch(63% 0.152 0.2)
-
Step 600
600
#BB3F6E
oklch(55.6% 0.164 0.7)
-
Step 700
700
#A1305C
oklch(49.1% 0.153 0.7)
-
Step 800
800
#83294B
oklch(42.7% 0.127 0.8)
-
Step 900
900 (this color)
#6B2840
oklch(38.2% 0.099 0.6)
-
Step 950
950
#3E1825
oklch(27.1% 0.062 0.5)
#6B2840 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) | #343741 | 0.109 |
| Deuteranopia (no green cones) | #46443E | 0.100 |
| Tritanopia (no blue cones) | #742231 | 0.029 |
| Achromatopsia (no color) | #3F3F3F | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B2840
#6B2840
oklch(38.2% 0.099 0.6)
- #004E45
#004E45
oklch(38% 0.068 181.8)
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 #6B2840, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.046
- Merlot #730039 ΔE 0.052
- Bordeaux #7B002C ΔE 0.055
- Wine #80013F ΔE 0.058
- Wine Red #7B0323 ΔE 0.059
- Red Purple #820747 ΔE 0.061
- Velvet #750851 ΔE 0.061
- Grape Purple #5D1451 ΔE 0.069
Use #6B2840 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.