#A66520
Closest named color: Raw Umber (#A75E09). oklch(56.7% 0.116 62.3), rgb(166, 101, 32).
Aa
White text reads best on this color (4.66:1).
About this color
#A66520 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 57%, its chroma 0.116 and its hue 62°. Its hue sits on the warm side of the wheel. The nearest named color is Raw Umber (#A75E09), ΔE 0.017 away. White text reads best on it, at 4.66:1.
| Hue family | Browns |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.116) |
| Temperature | warm |
| Nearest name | Raw Umber (#A75E09) |
| Black text | 4.50:1 |
| White text | 4.66:1 |
Values
| HEX | #A66520 |
| RGB | rgb(166, 101, 32) |
| HSL | hsl(31, 68%, 39%) |
| OKLCH | oklch(56.7% 0.116 62.3) |
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 #A66520 | 4.66:1 | AA | Lc -77.5 | Fine for body text |
| Black text on #A66520 | 4.50:1 | AA | Lc 32.0 | Non-text elements, placeholder text |
| #A66520 text on white | 4.66:1 | AA | Lc 72.1 | Content text, not long reading |
| #A66520 text on black | 4.50:1 | AA | Lc -29.6 | 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
#F2E8E0
oklch(93.7% 0.015 61.3)
-
Step 200
200
#E8D5C6
oklch(88.4% 0.029 60.7)
-
Step 300
300
#DABA9F
oklch(81% 0.052 62.1)
-
Step 400
400
#C6956A
oklch(70.7% 0.083 62.1)
-
Step 500
500
#B77A40
oklch(63.1% 0.106 62.4)
-
Step 600
600 (this color)
#A66520
oklch(56.7% 0.116 62.3)
-
Step 700
700
#8B500C
oklch(49% 0.108 61.8)
-
Step 800
800
#714210
oklch(42.7% 0.089 61.8)
-
Step 900
900
#5B3816
oklch(37.6% 0.069 62)
-
Step 950
950
#36210E
oklch(27% 0.044 61.2)
#A66520 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) | #796B15 | 0.082 |
| Deuteranopia (no green cones) | #897A21 | 0.072 |
| Tritanopia (no blue cones) | #B65657 | 0.085 |
| Achromatopsia (no color) | #747474 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66520
#A66520
oklch(56.7% 0.116 62.3)
- #2A7DB5
#2A7DB5
oklch(56.7% 0.116 242.8)
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 #A66520, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raw Umber #A75E09 ΔE 0.017
- Orangey Brown #B16002 ΔE 0.022
- Umber #B26400 ΔE 0.023
- Earth #A2653E ΔE 0.028
- Raw Sienna #9A6200 ΔE 0.029
- Copper #B66325 ΔE 0.030
- Sepia #985E2B ΔE 0.035
- Caramel #AF6F09 ΔE 0.035
Use #A66520 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.