#AD6331
Closest named color: Copper (#B66325). oklch(57.4% 0.115 52.3), rgb(173, 99, 49).
Aa
Black text reads best on this color (4.60:1).
About this color
#AD6331 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 57%, its chroma 0.115 and its hue 52°. Its hue sits on the warm side of the wheel. The nearest named color is Copper (#B66325), ΔE 0.018 away. Black text reads best on it, at 4.60:1.
| Hue family | Browns |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.115) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 4.60:1 |
| White text | 4.55:1 |
Values
| HEX | #AD6331 |
| RGB | rgb(173, 99, 49) |
| HSL | hsl(24, 56%, 44%) |
| OKLCH | oklch(57.4% 0.115 52.3) |
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 #AD6331 | 4.55:1 | AA | Lc -76.8 | Fine for body text |
| Black text on #AD6331 | 4.60:1 | AA | Lc 32.8 | Non-text elements, placeholder text |
| #AD6331 text on white | 4.55:1 | AA | Lc 71.3 | Content text, not long reading |
| #AD6331 text on black | 4.60:1 | AA | Lc -30.3 | 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
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F3E7E1
oklch(93.6% 0.015 48.6)
-
Step 200
200
#E9D4C8
oklch(88.4% 0.029 51.8)
-
Step 300
300
#DDB8A2
oklch(80.9% 0.052 52.5)
-
Step 400
400
#CA9270
oklch(70.6% 0.083 52.2)
-
Step 500
500
#BC764A
oklch(63.1% 0.106 51.9)
-
Step 600
600 (this color)
#AD6331
oklch(57.4% 0.115 52.3)
-
Step 700
700
#8F4D1E
oklch(49.2% 0.107 52.4)
-
Step 800
800
#743F1B
oklch(42.6% 0.089 52)
-
Step 900
900
#5E361C
oklch(37.7% 0.069 52.2)
-
Step 950
950
#372011
oklch(27% 0.044 53)
#AD6331 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) | #786C2C | 0.095 |
| Deuteranopia (no green cones) | #8A7C31 | 0.086 |
| Tritanopia (no blue cones) | #BD5458 | 0.073 |
| Achromatopsia (no color) | #767676 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AD6331
#AD6331
oklch(57.4% 0.115 52.3)
- #0B83B1
#0B83B1
oklch(57.4% 0.116 232.6)
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 #AD6331, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Copper #B66325 ΔE 0.018
- Earth #A2653E ΔE 0.022
- Orangey Brown #B16002 ΔE 0.025
- Umber #B26400 ΔE 0.028
- Raw Umber #A75E09 ΔE 0.029
- Clay Brown #B2713D ΔE 0.036
- Orange Brown #BE6400 ΔE 0.039
- Brown Orange #B96902 ΔE 0.039
Use #AD6331 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.