#6D2837
Closest named color: Purple Brown (#673A3F). oklch(38.2% 0.099 9.7), rgb(109, 40, 55).
Aa
White text reads best on this color (10.45:1).
About this color
#6D2837 is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.099 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.042 away. White text reads best on it, at 10.45:1.
| 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 | 10.45:1 |
Values
| HEX | #6D2837 |
| RGB | rgb(109, 40, 55) |
| HSL | hsl(347, 46%, 29%) |
| OKLCH | oklch(38.2% 0.099 9.7) |
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 #6D2837 | 10.45:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #6D2837 | 2.00:1 | Fails | Lc 10.3 | Not readable |
| #6D2837 text on white | 10.45:1 | AAA | Lc 93.7 | Preferred for body text |
| #6D2837 text on black | 2.00:1 | Fails | Lc -8.9 | 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
#FCF3F4
oklch(97.1% 0.01 9.5)
-
Step 100
100
#F8E4E7
oklch(93.6% 0.022 7.2)
-
Step 200
200
#F3CFD3
oklch(88.6% 0.041 10.4)
-
Step 300
300
#ECADB6
oklch(80.9% 0.075 9.4)
-
Step 400
400
#DF8090
oklch(70.7% 0.118 9.7)
-
Step 500
500
#D45C75
oklch(63.1% 0.152 9.6)
-
Step 600
600
#BF3E5D
oklch(55.6% 0.165 10)
-
Step 700
700
#A42F4D
oklch(49.1% 0.153 9.7)
-
Step 800
800
#85293F
oklch(42.7% 0.126 9.9)
-
Step 900
900 (this color)
#6D2837
oklch(38.2% 0.099 9.7)
-
Step 950
950
#3F1720
oklch(26.9% 0.063 8.3)
#6D2837 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) | #373737 | 0.109 |
| Deuteranopia (no green cones) | #494535 | 0.101 |
| Tritanopia (no blue cones) | #771F2E | 0.025 |
| Achromatopsia (no color) | #3F3F3F | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D2837
#6D2837
oklch(38.2% 0.099 9.7)
- #004E4A
#004E4A
oklch(38.2% 0.066 188.9)
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 #6D2837, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.042
- Wine Red #7B0323 ΔE 0.051
- Bordeaux #7B002C ΔE 0.051
- Merlot #730039 ΔE 0.055
- Wine #80013F ΔE 0.060
- Chestnut #742802 ΔE 0.061
- Reddy Brown #6E1005 ΔE 0.061
- Red Purple #820747 ΔE 0.066
Use #6D2837 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.