#673C12
Closest named color: Mud Brown (#60460F). oklch(40.1% 0.081 60.5), rgb(103, 60, 18).
Aa
White text reads best on this color (9.40:1).
About this color
#673C12 is a dark, moderately saturated brown. In OKLCH its lightness is 40%, its chroma 0.081 and its hue 61°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.031 away. White text reads best on it, at 9.40:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.081) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.23:1 |
| White text | 9.40:1 |
Values
| HEX | #673C12 |
| RGB | rgb(103, 60, 18) |
| HSL | hsl(30, 70%, 24%) |
| OKLCH | oklch(40.1% 0.081 60.5) |
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 #673C12 | 9.40:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #673C12 | 2.23:1 | Fails | Lc 12.5 | Not readable |
| #673C12 text on white | 9.40:1 | AAA | Lc 91.5 | Preferred for body text |
| #673C12 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
#FAF4F0
oklch(97.1% 0.008 56.3)
-
Step 100
100
#F3E7DE
oklch(93.5% 0.018 59.5)
-
Step 200
200
#EBD5C3
oklch(88.6% 0.035 61.7)
-
Step 300
300
#DFB899
oklch(80.9% 0.062 60.2)
-
Step 400
400
#CD9260
oklch(70.7% 0.097 60.6)
-
Step 500
500
#BF752F
oklch(63% 0.125 60.2)
-
Step 600
600
#A95E00
oklch(55.7% 0.13 60.5)
-
Step 700
700
#8E4E00
oklch(49% 0.114 60.5)
-
Step 800
800
#753F00
oklch(42.6% 0.1 60.2)
-
Step 900
900 (this color)
#673C12
oklch(40.1% 0.081 60.5)
-
Step 950
950
#382009
oklch(27% 0.051 61.3)
#673C12 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) | #49400C | 0.059 |
| Deuteranopia (no green cones) | #534A12 | 0.053 |
| Tritanopia (no blue cones) | #713234 | 0.060 |
| Achromatopsia (no color) | #464646 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673C12
#673C12
oklch(40.1% 0.081 60.5)
- #144D6F
#144D6F
oklch(40.2% 0.081 240.1)
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 #673C12, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.031
- Chestnut #742802 ΔE 0.049
- Purple Brown #673A3F ΔE 0.061
- Green Brown #544E03 ΔE 0.065
- Milk Chocolate #7F4E1E ΔE 0.071
- Olive Brown #645403 ΔE 0.072
- Rust Brown #8B3103 ΔE 0.073
- Red Brown #8B2E16 ΔE 0.076
Use #673C12 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.