#673117
Closest named color: Chestnut (#742802). oklch(38% 0.086 44.6), rgb(103, 49, 23).
Aa
White text reads best on this color (10.35:1).
About this color
#673117 is a dark, moderately saturated brown. In OKLCH its lightness is 38%, its chroma 0.086 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.030 away. White text reads best on it, at 10.35:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.086) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.02:1 |
| White text | 10.35:1 |
Values
| HEX | #673117 |
| RGB | rgb(103, 49, 23) |
| HSL | hsl(20, 63%, 25%) |
| OKLCH | oklch(38% 0.086 44.6) |
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 #673117 | 10.35:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #673117 | 2.02:1 | Fails | Lc 10.3 | Not readable |
| #673117 text on white | 10.35:1 | AAA | Lc 93.6 | Preferred for body text |
| #673117 text on black | 2.02:1 | Fails | Lc -8.9 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F5E6E0
oklch(93.5% 0.018 43.2)
-
Step 200
200
#EFD2C6
oklch(88.5% 0.037 43.8)
-
Step 300
300
#E5B49F
oklch(80.9% 0.064 44.3)
-
Step 400
400
#D78B6A
oklch(70.7% 0.104 44.1)
-
Step 500
500
#CA6C40
oklch(63.1% 0.133 44.6)
-
Step 600
600
#B5521D
oklch(55.6% 0.143 44.9)
-
Step 700
700
#9C410E
oklch(49.1% 0.134 44.3)
-
Step 800
800
#7E3711
oklch(42.7% 0.11 44.9)
-
Step 900
900 (this color)
#673117
oklch(38% 0.086 44.6)
-
Step 950
950
#3C1D0E
oklch(27.1% 0.055 45.4)
#673117 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) | #403914 | 0.079 |
| Deuteranopia (no green cones) | #4D4516 | 0.073 |
| Tritanopia (no blue cones) | #71262B | 0.046 |
| Achromatopsia (no color) | #404040 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673117
#673117
oklch(38% 0.086 44.6)
- #004A5F
#004A5F
oklch(38% 0.072 224.7)
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 #673117, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.030
- Purple Brown #673A3F ΔE 0.052
- Reddy Brown #6E1005 ΔE 0.059
- Mud Brown #60460F ΔE 0.061
- Blood #770001 ΔE 0.071
- Red Brown #8B2E16 ΔE 0.074
- Rust Brown #8B3103 ΔE 0.075
- Maroon #800000 ΔE 0.075
Use #673117 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.