#6D372F
Closest named color: Purple Brown (#673A3F). oklch(40.4% 0.078 29.7), rgb(109, 55, 47).
Aa
White text reads best on this color (9.38:1).
About this color
#6D372F is a dark, moderately saturated red. In OKLCH its lightness is 40%, its chroma 0.078 and its hue 30°. 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 9.38:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.078) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.23:1 |
| White text | 9.38:1 |
Values
| HEX | #6D372F |
| RGB | rgb(109, 55, 47) |
| HSL | hsl(8, 40%, 31%) |
| OKLCH | oklch(40.4% 0.078 29.7) |
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 #6D372F | 9.38:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #6D372F | 2.23:1 | Fails | Lc 12.6 | Not readable |
| #6D372F text on white | 9.38:1 | AAA | Lc 91.4 | Preferred for body text |
| #6D372F text on black | 2.23:1 | Fails | Lc -11.0 | 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
#F9F4F3
oklch(97.1% 0.006 31.1)
-
Step 100
100
#F3E7E5
oklch(93.7% 0.013 28.9)
-
Step 200
200
#EAD3CF
oklch(88.5% 0.026 29.4)
-
Step 300
300
#DDB6AF
oklch(80.9% 0.046 30)
-
Step 400
400
#CA9086
oklch(70.7% 0.073 29.9)
-
Step 500
500
#BB7368
oklch(63% 0.093 29.3)
-
Step 600
600
#A75B4F
oklch(55.7% 0.102 30.1)
-
Step 700
700
#8F4A40
oklch(49.1% 0.095 29.5)
-
Step 800
800 (this color)
#6D372F
oklch(40.4% 0.078 29.7)
-
Step 900
900
#5E352E
oklch(37.8% 0.061 30.5)
-
Step 950
950
#371F1B
oklch(27% 0.039 30)
#6D372F 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) | #443F2E | 0.080 |
| Deuteranopia (no green cones) | #514B2E | 0.075 |
| Tritanopia (no blue cones) | #772E35 | 0.031 |
| Achromatopsia (no color) | #464646 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D372F
#6D372F
oklch(40.4% 0.078 29.7)
- #00535D
#00535D
oklch(40.5% 0.07 208.8)
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 #6D372F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.025
- Chestnut #742802 ΔE 0.046
- Brownish Purple #76424E ΔE 0.052
- Red Brown #8B2E16 ΔE 0.063
- Rust Brown #8B3103 ΔE 0.067
- Mud Brown #60460F ΔE 0.068
- Reddy Brown #6E1005 ΔE 0.075
- Brown Red #922B05 ΔE 0.078
Use #6D372F 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.