#673300
Closest named color: Chestnut (#742802). oklch(38.2% 0.093 56.2), rgb(103, 51, 0).
Aa
White text reads best on this color (10.24:1).
About this color
#673300 is a dark, moderately saturated brown. In OKLCH its lightness is 38%, its chroma 0.093 and its hue 56°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.035 away. White text reads best on it, at 10.24:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.093) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.05:1 |
| White text | 10.24:1 |
Values
| HEX | #673300 |
| RGB | rgb(103, 51, 0) |
| HSL | hsl(30, 100%, 20%) |
| OKLCH | oklch(38.2% 0.093 56.2) |
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 #673300 | 10.24:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #673300 | 2.05:1 | Fails | Lc 10.6 | Not readable |
| #673300 text on white | 10.24:1 | AAA | Lc 93.3 | Preferred for body text |
| #673300 text on black | 2.05:1 | Fails | Lc -9.2 | 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 900.
-
Step 50
50
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F5E7DD
oklch(93.6% 0.02 58.1)
-
Step 200
200
#EED3C1
oklch(88.5% 0.039 55.8)
-
Step 300
300
#E4B695
oklch(80.9% 0.07 57.2)
-
Step 400
400
#D68D58
oklch(70.7% 0.113 55.7)
-
Step 500
500
#C96F1E
oklch(63.2% 0.143 56.3)
-
Step 600
600
#AD5A00
oklch(55.6% 0.136 56.3)
-
Step 700
700
#924B00
oklch(49.1% 0.12 56.3)
-
Step 800
800
#793D00
oklch(42.8% 0.105 56.2)
-
Step 900
900 (this color)
#673300
oklch(38.2% 0.093 56.2)
-
Step 950
950
#3C1E05
oklch(27.1% 0.059 56.5)
#673300 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) | #433900 | 0.073 |
| Deuteranopia (no green cones) | #4F4500 | 0.066 |
| Tritanopia (no blue cones) | #72272A | 0.061 |
| Achromatopsia (no color) | #414141 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673300
#673300
oklch(38.2% 0.093 56.2)
- #004969
#004969
oklch(38.3% 0.083 236)
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 #673300, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.035
- Mud Brown #60460F ΔE 0.050
- Purple Brown #673A3F ΔE 0.068
- Reddy Brown #6E1005 ΔE 0.069
- Rust Brown #8B3103 ΔE 0.075
- Red Brown #8B2E16 ΔE 0.078
- Blood #770001 ΔE 0.080
- Green Brown #544E03 ΔE 0.081
Use #673300 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.