#6A3640
Closest named color: Purple Brown (#673A3F). oklch(40.2% 0.075 8.7), rgb(106, 54, 64).
Aa
White text reads best on this color (9.48:1).
About this color
#6A3640 is a dark, moderately saturated red. In OKLCH its lightness is 40%, its chroma 0.075 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.012 away. White text reads best on it, at 9.48:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.21:1 |
| White text | 9.48:1 |
Values
| HEX | #6A3640 |
| RGB | rgb(106, 54, 64) |
| HSL | hsl(348, 33%, 31%) |
| OKLCH | oklch(40.2% 0.075 8.7) |
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 #6A3640 | 9.48:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #6A3640 | 2.21:1 | Fails | Lc 12.3 | Not readable |
| #6A3640 text on white | 9.48:1 | AAA | Lc 91.7 | Preferred for body text |
| #6A3640 text on black | 2.21:1 | Fails | Lc -10.7 | 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
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F2E7E8
oklch(93.7% 0.012 11)
-
Step 200
200
#E8D3D6
oklch(88.5% 0.024 7.8)
-
Step 300
300
#DBB6BB
oklch(81% 0.043 8.9)
-
Step 400
400
#C88F98
oklch(70.8% 0.07 8.6)
-
Step 500
500
#B8727E
oklch(63% 0.089 8.8)
-
Step 600
600
#A35A68
oklch(55.6% 0.097 8.4)
-
Step 700
700
#8B4956
oklch(48.9% 0.09 8.4)
-
Step 800
800 (this color)
#6A3640
oklch(40.2% 0.075 8.7)
-
Step 900
900
#5C343B
oklch(37.7% 0.058 8.9)
-
Step 950
950
#361F23
oklch(27.1% 0.036 8.4)
#6A3640 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) | #3F4040 | 0.082 |
| Deuteranopia (no green cones) | #4C4A3F | 0.077 |
| Tritanopia (no blue cones) | #72313A | 0.019 |
| Achromatopsia (no color) | #464646 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A3640
#6A3640
oklch(40.2% 0.075 8.7)
- #005450
#005450
oklch(40.2% 0.07 189.2)
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 #6A3640, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.012
- Brownish Purple #76424E ΔE 0.043
- Chestnut #742802 ΔE 0.069
- Wine Red #7B0323 ΔE 0.079
- Red Brown #8B2E16 ΔE 0.080
- Bordeaux #7B002C ΔE 0.080
- Wine #80013F ΔE 0.084
- Merlot #730039 ΔE 0.084
Use #6A3640 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.