#6D312F
Closest named color: Purple Brown (#673A3F). oklch(39.4% 0.086 23.7), rgb(109, 49, 47).
Aa
White text reads best on this color (9.85:1).
About this color
#6D312F is a dark, moderately saturated red. In OKLCH its lightness is 39%, its chroma 0.086 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.028 away. White text reads best on it, at 9.85:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.086) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.13:1 |
| White text | 9.85:1 |
Values
| HEX | #6D312F |
| RGB | rgb(109, 49, 47) |
| HSL | hsl(2, 40%, 31%) |
| OKLCH | oklch(39.4% 0.086 23.7) |
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 #6D312F | 9.85:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #6D312F | 2.13:1 | Fails | Lc 11.5 | Not readable |
| #6D312F text on white | 9.85:1 | AAA | Lc 92.4 | Preferred for body text |
| #6D312F text on black | 2.13:1 | Fails | Lc -10.0 | 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 900.
-
Step 50
50
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F6E5E4
oklch(93.5% 0.019 21.6)
-
Step 200
200
#F0D1CE
oklch(88.6% 0.035 24.4)
-
Step 300
300
#E8B1AD
oklch(81% 0.065 23.4)
-
Step 400
400
#DA8681
oklch(70.7% 0.104 23.7)
-
Step 500
500
#CD6662
oklch(63.1% 0.131 23.8)
-
Step 600
600
#B84A49
oklch(55.5% 0.143 23.5)
-
Step 700
700
#9E3B3A
oklch(49.1% 0.133 23.9)
-
Step 800
800
#813130
oklch(42.7% 0.111 23.7)
-
Step 900
900 (this color)
#6D312F
oklch(39.4% 0.086 23.7)
-
Step 950
950
#3D1B19
oklch(27.1% 0.054 24.7)
#6D312F 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) | #3F3C2E | 0.091 |
| Deuteranopia (no green cones) | #4E482E | 0.084 |
| Tritanopia (no blue cones) | #772831 | 0.027 |
| Achromatopsia (no color) | #434343 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D312F
#6D312F
oklch(39.4% 0.086 23.7)
- #005056
#005056
oklch(39.3% 0.067 203.5)
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 #6D312F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.028
- Chestnut #742802 ΔE 0.044
- Brownish Purple #76424E ΔE 0.059
- Reddy Brown #6E1005 ΔE 0.064
- Red Brown #8B2E16 ΔE 0.066
- Wine Red #7B0323 ΔE 0.066
- Bordeaux #7B002C ΔE 0.071
- Blood #770001 ΔE 0.071
Use #6D312F 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.