#673A3E
Closest named color: Purple Brown (#673A3F). oklch(40.5% 0.064 14.6), rgb(103, 58, 62).
Aa
White text reads best on this color (9.32:1).
About this color
#673A3E is a dark, muted red. In OKLCH its lightness is 40%, its chroma 0.064 and its hue 15°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.002 away. White text reads best on it, at 9.32:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | muted (0.064) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.25:1 |
| White text | 9.32:1 |
Values
| HEX | #673A3E |
| RGB | rgb(103, 58, 62) |
| HSL | hsl(355, 28%, 32%) |
| OKLCH | oklch(40.5% 0.064 14.6) |
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 #673A3E | 9.32:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #673A3E | 2.25:1 | Fails | Lc 12.6 | Not readable |
| #673A3E text on white | 9.32:1 | AAA | Lc 91.3 | Preferred for body text |
| #673A3E text on black | 2.25:1 | Fails | Lc -11.0 | 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 800.
-
Step 50
50
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F1E7E7
oklch(93.6% 0.011 17.4)
-
Step 200
200
#E7D4D5
oklch(88.6% 0.021 13.9)
-
Step 300
300
#D8B7B9
oklch(80.9% 0.038 13.8)
-
Step 400
400
#C39295
oklch(70.7% 0.059 14.6)
-
Step 500
500
#B3767B
oklch(63.1% 0.077 14.1)
-
Step 600
600
#9E5E64
oklch(55.5% 0.084 14.1)
-
Step 700
700
#874E53
oklch(49.2% 0.077 14.6)
-
Step 800
800 (this color)
#673A3E
oklch(40.5% 0.064 14.6)
-
Step 900
900
#593639
oklch(37.6% 0.05 14.2)
-
Step 950
950
#342022
oklch(27% 0.031 12.8)
#673A3E 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) | #43413E | 0.068 |
| Deuteranopia (no green cones) | #4E4A3D | 0.063 |
| Tritanopia (no blue cones) | #6F353C | 0.019 |
| Achromatopsia (no color) | #474747 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673A3E
#673A3E
oklch(40.5% 0.064 14.6)
- #0F5453
#0F5453
oklch(40.6% 0.064 193.4)
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 #673A3E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.002
- Brownish Purple #76424E ΔE 0.043
- Chestnut #742802 ΔE 0.068
- Charcoal Grey #3C4142 ΔE 0.078
- Mud Brown #60460F ΔE 0.079
- Red Brown #8B2E16 ΔE 0.081
- Rust Brown #8B3103 ΔE 0.087
- Wine Red #7B0323 ΔE 0.089
Use #673A3E 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.