#B16729
Closest named color: Copper (#B66325). oklch(58.6% 0.121 56.7), rgb(177, 103, 41).
Aa
Black text reads best on this color (4.84:1).
About this color
#B16729 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 59%, its chroma 0.121 and its hue 57°. Its hue sits on the warm side of the wheel. The nearest named color is Copper (#B66325), ΔE 0.012 away. Black text reads best on it, at 4.84:1.
| Hue family | Browns |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.121) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 4.84:1 |
| White text | 4.33:1 |
Values
| HEX | #B16729 |
| RGB | rgb(177, 103, 41) |
| HSL | hsl(27, 62%, 43%) |
| OKLCH | oklch(58.6% 0.121 56.7) |
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 #B16729 | 4.33:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #B16729 | 4.84:1 | AA | Lc 34.4 | Non-text elements, placeholder text |
| #B16729 text on white | 4.33:1 | AA large text | Lc 69.7 | Content text, not long reading |
| #B16729 text on black | 4.84:1 | AA | Lc -32.0 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F2E7E0
oklch(93.5% 0.015 54.9)
-
Step 200
200
#E9D5C6
oklch(88.5% 0.03 59.3)
-
Step 300
300
#DDB89F
oklch(80.9% 0.055 55.9)
-
Step 400
400
#CA936A
oklch(70.7% 0.087 57.5)
-
Step 500
500
#BC7741
oklch(63.2% 0.111 56.9)
-
Step 600
600 (this color)
#B16729
oklch(58.6% 0.121 56.7)
-
Step 700
700
#8F4D0F
oklch(49.1% 0.112 56.7)
-
Step 800
800
#744011
oklch(42.7% 0.093 57.4)
-
Step 900
900
#5E3617
oklch(37.6% 0.072 55.9)
-
Step 950
950
#37200E
oklch(26.9% 0.046 57.2)
#B16729 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) | #7D6F21 | 0.094 |
| Deuteranopia (no green cones) | #8F8029 | 0.084 |
| Tritanopia (no blue cones) | #C2575A | 0.082 |
| Achromatopsia (no color) | #797979 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B16729
#B16729
oklch(58.6% 0.121 56.7)
- #1885BA
#1885BA
oklch(58.5% 0.121 237)
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 #B16729, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Copper #B66325 ΔE 0.012
- Umber #B26400 ΔE 0.018
- Orangey Brown #B16002 ΔE 0.021
- Brown Orange #B96902 ΔE 0.024
- Tiger's Eye #BC6C25 ΔE 0.025
- Clay Brown #B2713D ΔE 0.026
- Orange Brown #BE6400 ΔE 0.027
- Caramel #AF6F09 ΔE 0.030
Use #B16729 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.