#673827
Closest named color: Purple Brown (#673A3F). oklch(39.6% 0.072 40.4), rgb(103, 56, 39).
Aa
White text reads best on this color (9.66:1).
About this color
#673827 is a dark, moderately saturated brown. In OKLCH its lightness is 40%, its chroma 0.072 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.035 away. White text reads best on it, at 9.66:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.072) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.17:1 |
| White text | 9.66:1 |
Values
| HEX | #673827 |
| RGB | rgb(103, 56, 39) |
| HSL | hsl(16, 45%, 28%) |
| OKLCH | oklch(39.6% 0.072 40.4) |
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 #673827 | 9.66:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #673827 | 2.17:1 | Fails | Lc 11.8 | Not readable |
| #673827 text on white | 9.66:1 | AAA | Lc 92.1 | Preferred for body text |
| #673827 text on black | 2.17:1 | Fails | Lc -10.3 | 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
#F4E7E2
oklch(93.7% 0.016 42.4)
-
Step 200
200
#ECD3CA
oklch(88.5% 0.031 40.9)
-
Step 300
300
#E0B6A6
oklch(80.9% 0.054 41.9)
-
Step 400
400
#D08E77
oklch(70.7% 0.087 40)
-
Step 500
500
#C27154
oklch(63.2% 0.111 40.3)
-
Step 600
600
#AD5838
oklch(55.7% 0.12 40.8)
-
Step 700
700
#94472A
oklch(49% 0.112 40.6)
-
Step 800
800
#793B24
oklch(42.8% 0.094 40.5)
-
Step 900
900 (this color)
#673827
oklch(39.6% 0.072 40.4)
-
Step 950
950
#391E14
oklch(26.9% 0.046 40.9)
#673827 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) | #443E25 | 0.068 |
| Deuteranopia (no green cones) | #504826 | 0.061 |
| Tritanopia (no blue cones) | #713034 | 0.037 |
| Achromatopsia (no color) | #444444 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673827
#673827
oklch(39.6% 0.072 40.4)
- #004F61
#004F61
oklch(39.5% 0.072 219.9)
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 #673827, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.035
- Chestnut #742802 ΔE 0.044
- Mud Brown #60460F ΔE 0.055
- Brownish Purple #76424E ΔE 0.066
- Red Brown #8B2E16 ΔE 0.072
- Rust Brown #8B3103 ΔE 0.074
- Reddy Brown #6E1005 ΔE 0.075
- Charcoal Grey #3C4142 ΔE 0.083
Use #673827 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.