#673D27
Closest named color: Purple Brown (#673A3F). oklch(40.5% 0.068 47.8), rgb(103, 61, 39).
Aa
White text reads best on this color (9.23:1).
About this color
#673D27 is a dark, muted brown. In OKLCH its lightness is 41%, its chroma 0.068 and its hue 48°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.040 away. White text reads best on it, at 9.23:1.
| Hue family | Browns |
| Lightness | dark (41%) |
| Chroma | muted (0.068) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.27:1 |
| White text | 9.23:1 |
Values
| HEX | #673D27 |
| RGB | rgb(103, 61, 39) |
| HSL | hsl(21, 45%, 28%) |
| OKLCH | oklch(40.5% 0.068 47.8) |
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 #673D27 | 9.23:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #673D27 | 2.27:1 | Fails | Lc 12.9 | Not readable |
| #673D27 text on white | 9.23:1 | AAA | Lc 91.1 | Preferred for body text |
| #673D27 text on black | 2.27:1 | 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
#E6D5CD
oklch(88.5% 0.022 47)
-
Step 300
300
#D7B9AB
oklch(80.8% 0.04 46.5)
-
Step 400
400
#C3957E
oklch(70.7% 0.065 47.8)
-
Step 500
500
#B27A5E
oklch(63% 0.081 47.4)
-
Step 600
600
#9E6344
oklch(55.7% 0.089 48)
-
Step 700
700
#875136
oklch(49.1% 0.083 46.8)
-
Step 800
800 (this color)
#673D27
oklch(40.5% 0.068 47.8)
-
Step 900
900
#593928
oklch(37.8% 0.053 48.6)
-
Step 950
950
#342118
oklch(26.9% 0.034 46.2)
#673D27 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) | #484225 | 0.059 |
| Deuteranopia (no green cones) | #524B27 | 0.054 |
| Tritanopia (no blue cones) | #703538 | 0.041 |
| Achromatopsia (no color) | #474747 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673D27
#673D27
oklch(40.5% 0.068 47.8)
- #165066
#165066
oklch(40.5% 0.068 227.8)
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 #673D27, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.040
- Mud Brown #60460F ΔE 0.043
- Chestnut #742802 ΔE 0.052
- Brownish Purple #76424E ΔE 0.065
- Milk Chocolate #7F4E1E ΔE 0.072
- Rust Brown #8B3103 ΔE 0.073
- Red Brown #8B2E16 ΔE 0.073
- Green Brown #544E03 ΔE 0.076
Use #673D27 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.