#673D22
Closest named color: Mud Brown (#60460F). oklch(40.4% 0.071 52.2), rgb(103, 61, 34).
Aa
White text reads best on this color (9.26:1).
About this color
#673D22 is a dark, moderately saturated brown. In OKLCH its lightness is 40%, its chroma 0.071 and its hue 52°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.039 away. White text reads best on it, at 9.26:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.071) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.26:1 |
| White text | 9.26:1 |
Values
| HEX | #673D22 |
| RGB | rgb(103, 61, 34) |
| HSL | hsl(23, 50%, 27%) |
| OKLCH | oklch(40.4% 0.071 52.2) |
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 #673D22 | 9.26:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #673D22 | 2.26:1 | Fails | Lc 12.8 | Not readable |
| #673D22 text on white | 9.26:1 | AAA | Lc 91.2 | Preferred for body text |
| #673D22 text on black | 2.26:1 | Fails | Lc -11.2 | 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F1E8E3
oklch(93.7% 0.012 51.3)
-
Step 200
200
#E6D5CB
oklch(88.4% 0.023 52.7)
-
Step 300
300
#D7BAA8
oklch(80.9% 0.042 53.8)
-
Step 400
400
#C3957A
oklch(70.6% 0.067 51.7)
-
Step 500
500
#B37B58
oklch(63.2% 0.086 52.6)
-
Step 600
600
#9E633D
oklch(55.6% 0.093 52.5)
-
Step 700
700
#87522F
oklch(49.2% 0.086 52.8)
-
Step 800
800 (this color)
#673D22
oklch(40.4% 0.071 52.2)
-
Step 900
900
#593925
oklch(37.7% 0.055 52.3)
-
Step 950
950
#342116
oklch(26.9% 0.035 50.8)
#673D22 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) | #49421F | 0.058 |
| Deuteranopia (no green cones) | #534B22 | 0.053 |
| Tritanopia (no blue cones) | #713537 | 0.046 |
| Achromatopsia (no color) | #474747 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673D22
#673D22
oklch(40.4% 0.071 52.2)
- #164F69
#164F69
oklch(40.4% 0.072 232.6)
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 #673D22, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.039
- Purple Brown #673A3F ΔE 0.046
- Chestnut #742802 ΔE 0.051
- Brownish Purple #76424E ΔE 0.070
- Milk Chocolate #7F4E1E ΔE 0.070
- Green Brown #544E03 ΔE 0.072
- Rust Brown #8B3103 ΔE 0.072
- Red Brown #8B2E16 ΔE 0.074
Use #673D22 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.