#673C1E
Closest named color: Mud Brown (#60460F). oklch(40.2% 0.075 53.7), rgb(103, 60, 30).
Aa
White text reads best on this color (9.36:1).
About this color
#673C1E is a dark, moderately saturated brown. In OKLCH its lightness is 40%, its chroma 0.075 and its hue 54°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.038 away. White text reads best on it, at 9.36:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.24:1 |
| White text | 9.36:1 |
Values
| HEX | #673C1E |
| RGB | rgb(103, 60, 30) |
| HSL | hsl(25, 55%, 26%) |
| OKLCH | oklch(40.2% 0.075 53.7) |
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 #673C1E | 9.36:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #673C1E | 2.24:1 | Fails | Lc 12.6 | Not readable |
| #673C1E text on white | 9.36:1 | AAA | Lc 91.4 | Preferred for body text |
| #673C1E text on black | 2.24:1 | Fails | Lc -11.0 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F3E7E0
oklch(93.6% 0.016 52.6)
-
Step 200
200
#EAD4C6
oklch(88.4% 0.031 54.7)
-
Step 300
300
#DEB89F
oklch(81% 0.056 55.1)
-
Step 400
400
#CD916B
oklch(70.7% 0.09 53.1)
-
Step 500
500
#BF7542
oklch(63.2% 0.114 53.6)
-
Step 600
600
#AA5C1F
oklch(55.6% 0.124 53.9)
-
Step 700
700
#924B10
oklch(49.1% 0.116 53.6)
-
Step 800
800
#763E12
oklch(42.7% 0.095 53.9)
-
Step 900
900 (this color)
#673C1E
oklch(40.2% 0.075 53.7)
-
Step 950
950
#38200F
oklch(27.1% 0.046 54.7)
#673C1E 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) | #48411B | 0.060 |
| Deuteranopia (no green cones) | #534A1E | 0.053 |
| Tritanopia (no blue cones) | #713335 | 0.049 |
| Achromatopsia (no color) | #464646 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673C1E
#673C1E
oklch(40.2% 0.075 53.7)
- #134E6A
#134E6A
oklch(40.1% 0.075 234.2)
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 #673C1E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.038
- Chestnut #742802 ΔE 0.048
- Purple Brown #673A3F ΔE 0.049
- Green Brown #544E03 ΔE 0.071
- Milk Chocolate #7F4E1E ΔE 0.072
- Rust Brown #8B3103 ΔE 0.072
- Red Brown #8B2E16 ΔE 0.074
- Brownish Purple #76424E ΔE 0.074
Use #673C1E 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.