#B66508
Closest named color: Umber (#B26400). oklch(58.8% 0.136 59.4), rgb(182, 101, 8).
Aa
Black text reads best on this color (4.85:1).
About this color
#B66508 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 59%, its chroma 0.136 and its hue 59°. Its hue sits on the warm side of the wheel. The nearest named color is Umber (#B26400), ΔE 0.009 away. Black text reads best on it, at 4.85:1.
| Hue family | Browns |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.136) |
| Temperature | warm |
| Nearest name | Umber (#B26400) |
| Black text | 4.85:1 |
| White text | 4.32:1 |
Values
| HEX | #B66508 |
| RGB | rgb(182, 101, 8) |
| HSL | hsl(32, 92%, 37%) |
| OKLCH | oklch(58.8% 0.136 59.4) |
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 #B66508 | 4.32:1 | AA large text | Lc -75.0 | Content text, not long reading |
| Black text on #B66508 | 4.85:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #B66508 text on white | 4.32:1 | AA large text | Lc 69.5 | Content text, not long reading |
| #B66508 text on black | 4.85:1 | AA | Lc -32.2 | 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
#FAF4F0
oklch(97.1% 0.008 56.3)
-
Step 100
100
#F3E7DE
oklch(93.5% 0.018 59.5)
-
Step 200
200
#EBD4C3
oklch(88.4% 0.034 58.8)
-
Step 300
300
#DFB899
oklch(80.9% 0.062 60.2)
-
Step 400
400
#CE9160
oklch(70.6% 0.098 59)
-
Step 500
500
#C07530
oklch(63.2% 0.125 59.6)
-
Step 600
600 (this color)
#B66508
oklch(58.8% 0.136 59.4)
-
Step 700
700
#8F4D00
oklch(49% 0.116 59.2)
-
Step 800
800
#763F00
oklch(42.7% 0.101 59.7)
-
Step 900
900
#61350A
oklch(37.7% 0.082 58.9)
-
Step 950
950
#392009
oklch(27.1% 0.052 60.1)
#B66508 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) | #7E6E00 | 0.101 |
| Deuteranopia (no green cones) | #918108 | 0.093 |
| Tritanopia (no blue cones) | #C85256 | 0.096 |
| Achromatopsia (no color) | #797979 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B66508
#B66508
oklch(58.8% 0.136 59.4)
- #0085C2
#0085C2
oklch(58.7% 0.133 239.2)
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 #B66508, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Umber #B26400 ΔE 0.009
- Brown Orange #B96902 ΔE 0.012
- Orange Brown #BE6400 ΔE 0.014
- Orangey Brown #B16002 ΔE 0.016
- Copper #B66325 ΔE 0.016
- Tiger's Eye #BC6C25 ΔE 0.023
- Caramel #AF6F09 ΔE 0.026
- Raw Umber #A75E09 ΔE 0.034
Use #B66508 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.