#B66A1F
Closest named color: Brown Orange (#B96902). oklch(59.7% 0.128 59.5), rgb(182, 106, 31).
Aa
Black text reads best on this color (5.07:1).
About this color
#B66A1F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 60%, its chroma 0.128 and its hue 60°. Its hue sits on the warm side of the wheel. The nearest named color is Brown Orange (#B96902), ΔE 0.011 away. Black text reads best on it, at 5.07:1.
| Hue family | Browns |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.128) |
| Temperature | warm |
| Nearest name | Brown Orange (#B96902) |
| Black text | 5.07:1 |
| White text | 4.14:1 |
Values
| HEX | #B66A1F |
| RGB | rgb(182, 106, 31) |
| HSL | hsl(30, 71%, 42%) |
| OKLCH | oklch(59.7% 0.128 59.5) |
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 #B66A1F | 4.14:1 | AA large text | Lc -73.6 | Content text, not long reading |
| Black text on #B66A1F | 5.07:1 | AA | Lc 36.0 | Non-text elements, placeholder text |
| #B66A1F text on white | 4.14:1 | AA large text | Lc 68.1 | Content text, not long reading |
| #B66A1F text on black | 5.07:1 | AA | Lc -33.5 | 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
#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
#E0B899
oklch(81% 0.062 59.5)
-
Step 400
400
#CF915F
oklch(70.7% 0.1 59.1)
-
Step 500
500 (this color)
#B66A1F
oklch(59.7% 0.128 59.5)
-
Step 600
600
#AA5D00
oklch(55.7% 0.131 59.4)
-
Step 700
700
#8F4E00
oklch(49.2% 0.115 60)
-
Step 800
800
#763F00
oklch(42.7% 0.101 59.7)
-
Step 900
900
#613507
oklch(37.7% 0.084 59.9)
-
Step 950
950
#391F08
oklch(26.9% 0.053 58.8)
#B66A1F 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) | #817211 | 0.096 |
| Deuteranopia (no green cones) | #93831F | 0.085 |
| Tritanopia (no blue cones) | #C7595C | 0.091 |
| Achromatopsia (no color) | #7D7D7D | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B66A1F
#B66A1F
oklch(59.7% 0.128 59.5)
- #1A88C3
#1A88C3
oklch(59.7% 0.128 239.4)
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 #B66A1F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown Orange #B96902 ΔE 0.011
- Tiger's Eye #BC6C25 ΔE 0.013
- Orange Brown #BE6400 ΔE 0.018
- Copper #B66325 ΔE 0.019
- Umber #B26400 ΔE 0.019
- Caramel #AF6F09 ΔE 0.022
- Clay Brown #B2713D ΔE 0.024
- Orangey Brown #B16002 ΔE 0.027
Use #B66A1F 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.