#6D3B40
Closest named color: Purple Brown (#673A3F). oklch(41.6% 0.071 14.2), rgb(109, 59, 64).
Aa
White text reads best on this color (8.93:1).
About this color
#6D3B40 is a dark, moderately saturated red. In OKLCH its lightness is 42%, its chroma 0.071 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.013 away. White text reads best on it, at 8.93:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.071) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.34:1 |
| White text | 8.93:1 |
Values
| HEX | #6D3B40 |
| RGB | rgb(109, 59, 64) |
| HSL | hsl(354, 30%, 33%) |
| OKLCH | oklch(41.6% 0.071 14.2) |
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 #6D3B40 | 8.93:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #6D3B40 | 2.34:1 | Fails | Lc 13.7 | Not readable |
| #6D3B40 text on white | 8.93:1 | AAA | Lc 90.3 | Preferred for body text |
| #6D3B40 text on black | 2.34:1 | Fails | Lc -12.0 | 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
#F2E7E7
oklch(93.7% 0.012 17.4)
-
Step 200
200
#E8D3D4
oklch(88.4% 0.023 14.3)
-
Step 300
300
#DAB6B8
oklch(80.8% 0.042 14.3)
-
Step 400
400
#C69094
oklch(70.7% 0.066 13.9)
-
Step 500
500
#B7747A
oklch(63.2% 0.085 13.9)
-
Step 600
600
#A25C63
oklch(55.7% 0.092 14.1)
-
Step 700
700
#8A4B52
oklch(49% 0.085 13.6)
-
Step 800
800 (this color)
#6D3B40
oklch(41.6% 0.071 14.2)
-
Step 900
900
#5B3538
oklch(37.6% 0.055 14.9)
-
Step 950
950
#361F21
oklch(27% 0.036 14.1)
#6D3B40 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) | #454440 | 0.076 |
| Deuteranopia (no green cones) | #514D3F | 0.070 |
| Tritanopia (no blue cones) | #75363D | 0.018 |
| Achromatopsia (no color) | #494949 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D3B40
#6D3B40
oklch(41.6% 0.071 14.2)
- #025857
#025857
oklch(41.7% 0.071 193.4)
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 #6D3B40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.013
- Brownish Purple #76424E ΔE 0.032
- Chestnut #742802 ΔE 0.069
- Red Brown #8B2E16 ΔE 0.073
- Rust Brown #8B3103 ΔE 0.080
- Dark Mauve #874C62 ΔE 0.082
- Mud Brown #60460F ΔE 0.082
- Milk Chocolate #7F4E1E ΔE 0.087
Use #6D3B40 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.