#6D3121
Closest named color: Chestnut (#742802). oklch(39.1% 0.09 35.9), rgb(109, 49, 33).
Aa
White text reads best on this color (9.94:1).
About this color
#6D3121 is a dark, moderately saturated red. In OKLCH its lightness is 39%, its chroma 0.090 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.028 away. White text reads best on it, at 9.94:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.090) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.11:1 |
| White text | 9.94:1 |
Values
| HEX | #6D3121 |
| RGB | rgb(109, 49, 33) |
| HSL | hsl(13, 54%, 28%) |
| OKLCH | oklch(39.1% 0.09 35.9) |
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 #6D3121 | 9.94:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #6D3121 | 2.11:1 | Fails | Lc 11.3 | Not readable |
| #6D3121 text on white | 9.94:1 | AAA | Lc 92.6 | Preferred for body text |
| #6D3121 text on black | 2.11:1 | Fails | Lc -9.8 | 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
#FBF3F1
oklch(97% 0.009 34.3)
-
Step 100
100
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#F1D1C8
oklch(88.5% 0.038 36.2)
-
Step 300
300
#E8B2A3
oklch(80.9% 0.067 36.1)
-
Step 400
400
#DB8871
oklch(70.8% 0.108 36.3)
-
Step 500
500
#CF674B
oklch(63.2% 0.138 36.1)
-
Step 600
600
#BA4B2E
oklch(55.6% 0.15 35.6)
-
Step 700
700
#A03C20
oklch(49.2% 0.139 36.2)
-
Step 800
800
#82321D
oklch(42.7% 0.116 35.7)
-
Step 900
900 (this color)
#6D3121
oklch(39.1% 0.09 35.9)
-
Step 950
950
#3E1B12
oklch(27.1% 0.057 35.5)
#6D3121 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) | #413B1F | 0.089 |
| Deuteranopia (no green cones) | #4F4820 | 0.083 |
| Tritanopia (no blue cones) | #78252D | 0.040 |
| Achromatopsia (no color) | #434343 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D3121
#6D3121
oklch(39.1% 0.09 35.9)
- #004E5D
#004E5D
oklch(39.1% 0.07 216.3)
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 #6D3121, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.028
- Purple Brown #673A3F ΔE 0.042
- Reddy Brown #6E1005 ΔE 0.059
- Red Brown #8B2E16 ΔE 0.061
- Rust Brown #8B3103 ΔE 0.065
- Blood #770001 ΔE 0.067
- Maroon #800000 ΔE 0.068
- Mud Brown #60460F ΔE 0.069
Use #6D3121 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.