#B66218
Closest named color: Copper (#B66325). oklch(58.3% 0.134 55.3), rgb(182, 98, 24).
Aa
Black text reads best on this color (4.74:1).
About this color
#B66218 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 58%, its chroma 0.134 and its hue 55°. Its hue sits on the warm side of the wheel. The nearest named color is Copper (#B66325), ΔE 0.008 away. Black text reads best on it, at 4.74:1.
| Hue family | Browns |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.134) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 4.74:1 |
| White text | 4.42:1 |
Values
| HEX | #B66218 |
| RGB | rgb(182, 98, 24) |
| HSL | hsl(28, 77%, 40%) |
| OKLCH | oklch(58.3% 0.134 55.3) |
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 #B66218 | 4.42:1 | AA large text | Lc -75.7 | Fine for body text |
| Black text on #B66218 | 4.74:1 | AA | Lc 33.9 | Non-text elements, placeholder text |
| #B66218 text on white | 4.42:1 | AA large text | Lc 70.2 | Content text, not long reading |
| #B66218 text on black | 4.74:1 | AA | Lc -31.5 | 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 600.
-
Step 50
50
#FAF4F0
oklch(97.1% 0.008 56.3)
-
Step 100
100
#F4E7DF
oklch(93.6% 0.018 54)
-
Step 200
200
#EBD4C5
oklch(88.5% 0.033 55.3)
-
Step 300
300
#E0B79C
oklch(80.9% 0.06 55.1)
-
Step 400
400
#CF9064
oklch(70.6% 0.097 55.4)
-
Step 500
500
#C27337
oklch(63.1% 0.124 55.1)
-
Step 600
600 (this color)
#B66218
oklch(58.3% 0.134 55.3)
-
Step 700
700
#934A00
oklch(49.1% 0.121 55.1)
-
Step 800
800
#793D03
oklch(42.8% 0.104 55.5)
-
Step 900
900
#613410
oklch(37.6% 0.08 55.1)
-
Step 950
950
#391F0B
oklch(27% 0.051 55.8)
#B66218 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) | #7B6C06 | 0.109 |
| Deuteranopia (no green cones) | #8F7F17 | 0.097 |
| Tritanopia (no blue cones) | #C84F54 | 0.088 |
| Achromatopsia (no color) | #787878 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B66218
#B66218
oklch(58.3% 0.134 55.3)
- #0085BA
#0085BA
oklch(58.3% 0.124 235.5)
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 #B66218, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Copper #B66325 ΔE 0.008
- Orangey Brown #B16002 ΔE 0.014
- Umber #B26400 ΔE 0.014
- Orange Brown #BE6400 ΔE 0.018
- Brown Orange #B96902 ΔE 0.021
- Tiger's Eye #BC6C25 ΔE 0.027
- Raw Umber #A75E09 ΔE 0.032
- Burnt Siena #B75203 ΔE 0.034
Use #B66218 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.