#673A2A
Closest named color: Purple Brown (#673A3F). oklch(40% 0.069 40.2), rgb(103, 58, 42).
Aa
White text reads best on this color (9.47:1).
About this color
#673A2A is a dark, muted brown. In OKLCH its lightness is 40%, its chroma 0.069 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.032 away. White text reads best on it, at 9.47:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | muted (0.069) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.21:1 |
| White text | 9.47:1 |
Values
| HEX | #673A2A |
| RGB | rgb(103, 58, 42) |
| HSL | hsl(16, 42%, 28%) |
| OKLCH | oklch(40% 0.069 40.2) |
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 #673A2A | 9.47:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #673A2A | 2.21:1 | Fails | Lc 12.3 | Not readable |
| #673A2A text on white | 9.47:1 | AAA | Lc 91.7 | Preferred for body text |
| #673A2A text on black | 2.21:1 | 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
#F3E7E2
oklch(93.6% 0.015 44.2)
-
Step 200
200
#EBD3CB
oklch(88.4% 0.029 39.3)
-
Step 300
300
#DFB6A8
oklch(80.9% 0.052 39.7)
-
Step 400
400
#CE8F79
oklch(70.7% 0.083 40)
-
Step 500
500
#C07257
oklch(63.1% 0.107 39.8)
-
Step 600
600
#AB593C
oklch(55.6% 0.116 39.9)
-
Step 700
700
#92492E
oklch(49.1% 0.106 40.5)
-
Step 800
800
#773C27
oklch(42.7% 0.089 40)
-
Step 900
900 (this color)
#673A2A
oklch(40% 0.069 40.2)
-
Step 950
950
#391F16
oklch(27.2% 0.044 39.8)
#673A2A 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) | #464029 | 0.064 |
| Deuteranopia (no green cones) | #504929 | 0.059 |
| Tritanopia (no blue cones) | #703236 | 0.036 |
| Achromatopsia (no color) | #464646 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673A2A
#673A2A
oklch(40% 0.069 40.2)
- #0A5061
#0A5061
oklch(40% 0.069 219.6)
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 #673A2A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.032
- Chestnut #742802 ΔE 0.049
- Mud Brown #60460F ΔE 0.053
- Brownish Purple #76424E ΔE 0.062
- Red Brown #8B2E16 ΔE 0.073
- Rust Brown #8B3103 ΔE 0.074
- Milk Chocolate #7F4E1E ΔE 0.080
- Reddy Brown #6E1005 ΔE 0.080
Use #673A2A 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.