#673B29
Closest named color: Purple Brown (#673A3F). oklch(40.2% 0.069 42.7), rgb(103, 59, 41).
Aa
White text reads best on this color (9.39:1).
About this color
#673B29 is a dark, muted brown. In OKLCH its lightness is 40%, its chroma 0.069 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.034 away. White text reads best on it, at 9.39:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | muted (0.069) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.23:1 |
| White text | 9.39:1 |
Values
| HEX | #673B29 |
| RGB | rgb(103, 59, 41) |
| HSL | hsl(17, 43%, 28%) |
| OKLCH | oklch(40.2% 0.069 42.7) |
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 #673B29 | 9.39:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #673B29 | 2.23:1 | Fails | Lc 12.5 | Not readable |
| #673B29 text on white | 9.39:1 | AAA | Lc 91.5 | Preferred for body text |
| #673B29 text on black | 2.23:1 | Fails | Lc -10.9 | 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
#EBD4CA
oklch(88.6% 0.029 45)
-
Step 300
300
#DFB7A7
oklch(81% 0.052 42.9)
-
Step 400
400
#CD9077
oklch(70.7% 0.083 43.2)
-
Step 500
500
#BF7354
oklch(63.1% 0.106 42.7)
-
Step 600
600
#AA5A39
oklch(55.6% 0.115 42.4)
-
Step 700
700
#924A2B
oklch(49.2% 0.107 43)
-
Step 800
800
#763D25
oklch(42.7% 0.088 42.8)
-
Step 900
900 (this color)
#673B29
oklch(40.2% 0.069 42.7)
-
Step 950
950
#381F15
oklch(27% 0.043 42.4)
#673B29 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) | #474127 | 0.062 |
| Deuteranopia (no green cones) | #514A29 | 0.058 |
| Tritanopia (no blue cones) | #703337 | 0.038 |
| Achromatopsia (no color) | #464646 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673B29
#673B29
oklch(40.2% 0.069 42.7)
- #0F5063
#0F5063
oklch(40.2% 0.069 222.8)
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 #673B29, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.034
- Chestnut #742802 ΔE 0.049
- Mud Brown #60460F ΔE 0.050
- Brownish Purple #76424E ΔE 0.063
- Red Brown #8B2E16 ΔE 0.073
- Rust Brown #8B3103 ΔE 0.074
- Milk Chocolate #7F4E1E ΔE 0.077
- Charcoal Grey #3C4142 ΔE 0.082
Use #673B29 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.