#B16643
Closest named color: Clay (#B66A50). oklch(58.8% 0.108 45.1), rgb(177, 102, 67).
Aa
Black text reads best on this color (4.85:1).
About this color
#B16643 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 59%, its chroma 0.108 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Clay (#B66A50), ΔE 0.019 away. Black text reads best on it, at 4.85:1.
| Hue family | Browns |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.108) |
| Temperature | warm |
| Nearest name | Clay (#B66A50) |
| Black text | 4.85:1 |
| White text | 4.32:1 |
Values
| HEX | #B16643 |
| RGB | rgb(177, 102, 67) |
| HSL | hsl(19, 45%, 48%) |
| OKLCH | oklch(58.8% 0.108 45.1) |
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 #B16643 | 4.32:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #B16643 | 4.85:1 | AA | Lc 34.4 | Non-text elements, placeholder text |
| #B16643 text on white | 4.32:1 | AA large text | Lc 69.7 | Content text, not long reading |
| #B16643 text on black | 4.85:1 | 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F3E7E2
oklch(93.6% 0.015 44.2)
-
Step 200
200
#E9D4CB
oklch(88.5% 0.027 44.7)
-
Step 300
300
#DDB7A7
oklch(80.9% 0.049 44.1)
-
Step 400
400
#CA9178
oklch(70.6% 0.078 44.6)
-
Step 500
500
#BB7555
oklch(63% 0.1 45.1)
-
Step 600
600 (this color)
#B16643
oklch(58.8% 0.108 45.1)
-
Step 700
700
#8F4C2C
oklch(49.1% 0.101 45.1)
-
Step 800
800
#743F25
oklch(42.8% 0.083 45.8)
-
Step 900
900
#5E3623
oklch(37.8% 0.065 45.6)
-
Step 950
950
#372015
oklch(27% 0.041 46.1)
#B16643 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) | #7A6F40 | 0.097 |
| Deuteranopia (no green cones) | #8C8042 | 0.090 |
| Tritanopia (no blue cones) | #C1585E | 0.062 |
| Achromatopsia (no color) | #797979 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B16643
#B16643
oklch(58.8% 0.108 45.1)
- #0F89AD
#0F89AD
oklch(58.7% 0.109 225.4)
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 #B16643, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay #B66A50 ΔE 0.019
- Copper #B66325 ΔE 0.027
- Adobe #BD6C48 ΔE 0.028
- Earth #A2653E ΔE 0.029
- Clay Brown #B2713D ΔE 0.031
- Pinkish Brown #B17261 ΔE 0.039
- Tiger's Eye #BC6C25 ΔE 0.040
- Orangey Brown #B16002 ΔE 0.042
Use #B16643 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.