#6B321F
Closest named color: Chestnut (#742802). oklch(38.9% 0.087 38.9), rgb(107, 50, 31).
Aa
White text reads best on this color (9.99:1).
About this color
#6B321F is a dark, moderately saturated red. In OKLCH its lightness is 39%, its chroma 0.087 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.029 away. White text reads best on it, at 9.99:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.087) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.10:1 |
| White text | 9.99:1 |
Values
| HEX | #6B321F |
| RGB | rgb(107, 50, 31) |
| HSL | hsl(15, 55%, 27%) |
| OKLCH | oklch(38.9% 0.087 38.9) |
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 #6B321F | 9.99:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #6B321F | 2.10:1 | Fails | Lc 11.2 | Not readable |
| #6B321F text on white | 9.99:1 | AAA | Lc 92.8 | Preferred for body text |
| #6B321F text on black | 2.10:1 | Fails | Lc -9.7 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#F0D2C8
oklch(88.6% 0.036 39.3)
-
Step 300
300
#E7B3A2
oklch(81% 0.065 38.9)
-
Step 400
400
#D8896F
oklch(70.6% 0.104 39)
-
Step 500
500
#CC6A49
oklch(63.2% 0.133 39.1)
-
Step 600
600
#B74F2A
oklch(55.6% 0.144 39.3)
-
Step 700
700
#9E3F1D
oklch(49.2% 0.135 39)
-
Step 800
800
#80341A
oklch(42.6% 0.112 38.7)
-
Step 900
900 (this color)
#6B321F
oklch(38.9% 0.087 38.9)
-
Step 950
950
#3D1C11
oklch(27.1% 0.055 39)
#6B321F 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) | #413B1D | 0.084 |
| Deuteranopia (no green cones) | #4F471E | 0.077 |
| Tritanopia (no blue cones) | #76272E | 0.042 |
| Achromatopsia (no color) | #424242 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B321F
#6B321F
oklch(38.9% 0.087 38.9)
- #004D5E
#004D5E
oklch(38.8% 0.07 219.1)
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 #6B321F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.029
- Purple Brown #673A3F ΔE 0.043
- Reddy Brown #6E1005 ΔE 0.060
- Mud Brown #60460F ΔE 0.064
- Red Brown #8B2E16 ΔE 0.065
- Rust Brown #8B3103 ΔE 0.067
- Blood #770001 ΔE 0.070
- Maroon #800000 ΔE 0.071
Use #6B321F 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.