#B66A33
Closest named color: Tiger's Eye (#BC6C25). oklch(59.9% 0.119 53.9), rgb(182, 106, 51).
Aa
Black text reads best on this color (5.09:1).
About this color
#B66A33 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 60%, its chroma 0.119 and its hue 54°. Its hue sits on the warm side of the wheel. The nearest named color is Tiger's Eye (#BC6C25), ΔE 0.017 away. Black text reads best on it, at 5.09:1.
| Hue family | Browns |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.119) |
| Temperature | warm |
| Nearest name | Tiger's Eye (#BC6C25) |
| Black text | 5.09:1 |
| White text | 4.11:1 |
Values
| HEX | #B66A33 |
| RGB | rgb(182, 106, 51) |
| HSL | hsl(25, 56%, 46%) |
| OKLCH | oklch(59.9% 0.119 53.9) |
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 #B66A33 | 4.11:1 | AA large text | Lc -73.5 | Content text, not long reading |
| Black text on #B66A33 | 5.09:1 | AA | Lc 36.1 | Non-text elements, placeholder text |
| #B66A33 text on white | 4.11:1 | AA large text | Lc 68.0 | Content text, not long reading |
| #B66A33 text on black | 5.09:1 | AA | Lc -33.7 | 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 500.
-
Step 50
50
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F3E7E0
oklch(93.6% 0.016 52.6)
-
Step 200
200
#EBD4C6
oklch(88.5% 0.032 53.5)
-
Step 300
300
#DFB79E
oklch(80.8% 0.058 53.7)
-
Step 400
400
#CE9168
oklch(70.7% 0.093 54.5)
-
Step 500
500 (this color)
#B66A33
oklch(59.9% 0.119 53.9)
-
Step 600
600
#AC5A17
oklch(55.5% 0.13 53.6)
-
Step 700
700
#934A06
oklch(49.1% 0.12 54.2)
-
Step 800
800
#783D0C
oklch(42.7% 0.1 53.8)
-
Step 900
900
#613514
oklch(37.8% 0.078 54.3)
-
Step 950
950
#391F0D
oklch(27% 0.05 53.6)
#B66A33 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) | #80732D | 0.096 |
| Deuteranopia (no green cones) | #928433 | 0.088 |
| Tritanopia (no blue cones) | #C75A5E | 0.078 |
| Achromatopsia (no color) | #7D7D7D | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B66A33
#B66A33
oklch(59.9% 0.119 53.9)
- #188ABC
#188ABC
oklch(59.8% 0.12 234.4)
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 #B66A33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tiger's Eye #BC6C25 ΔE 0.017
- Copper #B66325 ΔE 0.017
- Clay Brown #B2713D ΔE 0.017
- Brown Orange #B96902 ΔE 0.025
- Adobe #BD6C48 ΔE 0.026
- Orange Brown #BE6400 ΔE 0.027
- Leather #AC7434 ΔE 0.029
- Umber #B26400 ΔE 0.029
Use #B66A33 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.