#6B443D
Closest named color: Purple Brown (#673A3F). oklch(43% 0.056 30.6), rgb(107, 68, 61).
Aa
White text reads best on this color (8.33:1).
About this color
#6B443D is a dark, muted red. In OKLCH its lightness is 43%, its chroma 0.056 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.031 away. White text reads best on it, at 8.33:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | muted (0.056) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.51:1 |
| White text | 8.33:1 |
Values
| HEX | #6B443D |
| RGB | rgb(107, 68, 61) |
| HSL | hsl(9, 27%, 33%) |
| OKLCH | oklch(43% 0.056 30.6) |
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 #6B443D | 8.33:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #6B443D | 2.51:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #6B443D text on white | 8.33:1 | AAA | Lc 88.6 | Fine for body text |
| #6B443D text on black | 2.51:1 | Fails | Lc -13.6 | 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
#F8F4F4
oklch(97% 0.004 17.2)
-
Step 100
100
#F0E8E6
oklch(93.7% 0.009 34.3)
-
Step 200
200
#E5D5D2
oklch(88.5% 0.018 30.3)
-
Step 300
300
#D5B9B4
oklch(80.8% 0.033 29.8)
-
Step 400
400
#BF958D
oklch(70.7% 0.052 30.8)
-
Step 500
500
#AE7B71
oklch(63.2% 0.066 31.4)
-
Step 600
600
#996359
oklch(55.5% 0.073 31)
-
Step 700
700
#835249
oklch(49.1% 0.068 31)
-
Step 800
800 (this color)
#6B443D
oklch(43% 0.056 30.6)
-
Step 900
900
#563934
oklch(37.7% 0.043 30)
-
Step 950
950
#33211E
oklch(26.9% 0.029 29.6)
#6B443D 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) | #4D493C | 0.055 |
| Deuteranopia (no green cones) | #56513D | 0.051 |
| Tritanopia (no blue cones) | #733F42 | 0.023 |
| Achromatopsia (no color) | #4E4E4E | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B443D
#6B443D
oklch(43% 0.056 30.6)
- #255861
#255861
oklch(43% 0.056 210.7)
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 #6B443D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.031
- Brownish Purple #76424E ΔE 0.036
- Mud Brown #60460F ΔE 0.063
- Milk Chocolate #7F4E1E ΔE 0.066
- Saddle Brown #8B4513 ΔE 0.075
- Chestnut #742802 ΔE 0.075
- Red Brown #8B2E16 ΔE 0.076
- Medium Brown #7F5112 ΔE 0.078
Use #6B443D 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.