#A66233
Closest named color: Earth (#A2653E). oklch(56.4% 0.108 53.3), rgb(166, 98, 51).
Aa
White text reads best on this color (4.75:1).
About this color
#A66233 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 56%, its chroma 0.108 and its hue 53°. Its hue sits on the warm side of the wheel. The nearest named color is Earth (#A2653E), ΔE 0.012 away. White text reads best on it, at 4.75:1.
| Hue family | Browns |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.108) |
| Temperature | warm |
| Nearest name | Earth (#A2653E) |
| Black text | 4.41:1 |
| White text | 4.75:1 |
Values
| HEX | #A66233 |
| RGB | rgb(166, 98, 51) |
| HSL | hsl(25, 53%, 43%) |
| OKLCH | oklch(56.4% 0.108 53.3) |
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 #A66233 | 4.75:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #A66233 | 4.41:1 | AA large text | Lc 31.4 | Non-text elements, placeholder text |
| #A66233 text on white | 4.75:1 | AA | Lc 72.7 | Content text, not long reading |
| #A66233 text on black | 4.41:1 | AA large text | Lc -29.0 | Dividers and decoration only |
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
#F2E8E1
oklch(93.7% 0.014 57.6)
-
Step 200
200
#E8D5C9
oklch(88.5% 0.027 54.5)
-
Step 300
300
#DBB9A4
oklch(81% 0.049 53.5)
-
Step 400
400
#C79473
oklch(70.7% 0.077 54)
-
Step 500
500
#B8784E
oklch(63.1% 0.099 53.3)
-
Step 600
600 (this color)
#A66233
oklch(56.4% 0.108 53.3)
-
Step 700
700
#8C4F23
oklch(49.1% 0.1 53.6)
-
Step 800
800
#72411F
oklch(42.8% 0.083 53.2)
-
Step 900
900
#5C371F
oklch(37.6% 0.064 52.6)
-
Step 950
950
#362113
oklch(27.1% 0.04 53.9)
#A66233 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) | #766A2E | 0.086 |
| Deuteranopia (no green cones) | #867933 | 0.079 |
| Tritanopia (no blue cones) | #B55457 | 0.069 |
| Achromatopsia (no color) | #737373 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66233
#A66233
oklch(56.4% 0.108 53.3)
- #1D7FAA
#1D7FAA
oklch(56.3% 0.108 233.2)
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 #A66233, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Earth #A2653E ΔE 0.012
- Raw Umber #A75E09 ΔE 0.025
- Sepia #985E2B ΔE 0.030
- Copper #B66325 ΔE 0.031
- Orangey Brown #B16002 ΔE 0.031
- Umber #B26400 ΔE 0.036
- Raw Sienna #9A6200 ΔE 0.041
- Sienna #A0522D ΔE 0.041
Use #A66233 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.