#6B443F
Closest named color: Purple Brown (#673A3F). oklch(43% 0.055 27.6), rgb(107, 68, 63).
Aa
White text reads best on this color (8.32:1).
About this color
#6B443F is a dark, muted red. In OKLCH its lightness is 43%, its chroma 0.055 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.030 away. White text reads best on it, at 8.32:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | muted (0.055) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.52:1 |
| White text | 8.32:1 |
Values
| HEX | #6B443F |
| RGB | rgb(107, 68, 63) |
| HSL | hsl(7, 26%, 33%) |
| OKLCH | oklch(43% 0.055 27.6) |
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 #6B443F | 8.32:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #6B443F | 2.52:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #6B443F text on white | 8.32:1 | AAA | Lc 88.6 | Fine for body text |
| #6B443F text on black | 2.52:1 | 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
#E5D5D3
oklch(88.5% 0.018 26.1)
-
Step 300
300
#D5B9B5
oklch(80.9% 0.033 27.5)
-
Step 400
400
#BF958F
oklch(70.7% 0.052 27.8)
-
Step 500
500
#AE7A74
oklch(63% 0.066 26.5)
-
Step 600
600
#99635C
oklch(55.6% 0.072 27.7)
-
Step 700
700
#82524C
oklch(49.1% 0.066 27.5)
-
Step 800
800 (this color)
#6B443F
oklch(43% 0.055 27.6)
-
Step 900
900
#563935
oklch(37.7% 0.042 27.9)
-
Step 950
950
#33211F
oklch(27% 0.028 26.2)
#6B443F 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) | #4C493F | 0.056 |
| Deuteranopia (no green cones) | #56513E | 0.052 |
| Tritanopia (no blue cones) | #733F43 | 0.022 |
| Achromatopsia (no color) | #4E4E4E | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B443F
#6B443F
oklch(43% 0.055 27.6)
- #26585F
#26585F
oklch(42.9% 0.055 207.6)
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 #6B443F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.030
- Brownish Purple #76424E ΔE 0.034
- Mud Brown #60460F ΔE 0.065
- Milk Chocolate #7F4E1E ΔE 0.068
- Saddle Brown #8B4513 ΔE 0.077
- Chestnut #742802 ΔE 0.077
- Red Brown #8B2E16 ΔE 0.077
- Dark Mauve #874C62 ΔE 0.078
Use #6B443F 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.