#673A2F
Closest named color: Purple Brown (#673A3F). oklch(40.1% 0.067 34.6), rgb(103, 58, 47).
Aa
White text reads best on this color (9.44:1).
About this color
#673A2F is a dark, muted red. In OKLCH its lightness is 40%, its chroma 0.067 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.025 away. White text reads best on it, at 9.44:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | muted (0.067) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.22:1 |
| White text | 9.44:1 |
Values
| HEX | #673A2F |
| RGB | rgb(103, 58, 47) |
| HSL | hsl(12, 37%, 29%) |
| OKLCH | oklch(40.1% 0.067 34.6) |
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 #673A2F | 9.44:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #673A2F | 2.22:1 | Fails | Lc 12.3 | Not readable |
| #673A2F text on white | 9.44:1 | AAA | Lc 91.6 | Preferred for body text |
| #673A2F text on black | 2.22:1 | Fails | Lc -10.7 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F3E7E3
oklch(93.6% 0.014 39.4)
-
Step 200
200
#EBD3CD
oklch(88.5% 0.028 34.3)
-
Step 300
300
#DFB6AB
oklch(81% 0.05 35.5)
-
Step 400
400
#CD8F7F
oklch(70.7% 0.08 35)
-
Step 500
500
#BF725F
oklch(63.2% 0.102 34.7)
-
Step 600
600
#AA5945
oklch(55.6% 0.111 34.9)
-
Step 700
700
#924837
oklch(49.1% 0.104 34.1)
-
Step 800
800
#773C2E
oklch(42.8% 0.086 34.4)
-
Step 900
900 (this color)
#673A2F
oklch(40.1% 0.067 34.6)
-
Step 950
950
#381F18
oklch(27% 0.041 36.4)
#673A2F 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) | #45402E | 0.065 |
| Deuteranopia (no green cones) | #504A2E | 0.061 |
| Tritanopia (no blue cones) | #703337 | 0.030 |
| Achromatopsia (no color) | #464646 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673A2F
#673A2F
oklch(40.1% 0.067 34.6)
- #0B515E
#0B515E
oklch(40.1% 0.067 214.1)
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 #673A2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.025
- Chestnut #742802 ΔE 0.052
- Brownish Purple #76424E ΔE 0.057
- Mud Brown #60460F ΔE 0.059
- Red Brown #8B2E16 ΔE 0.074
- Rust Brown #8B3103 ΔE 0.076
- Charcoal Grey #3C4142 ΔE 0.080
- Reddy Brown #6E1005 ΔE 0.082
Use #673A2F 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.