#AA661C
Closest named color: Umber (#B26400). oklch(57.4% 0.121 62.2), rgb(170, 102, 28).
Aa
Black text reads best on this color (4.62:1).
About this color
#AA661C is a medium-dark, moderately saturated brown. In OKLCH its lightness is 57%, its chroma 0.121 and its hue 62°. Its hue sits on the warm side of the wheel. The nearest named color is Umber (#B26400), ΔE 0.016 away. Black text reads best on it, at 4.62:1.
| Hue family | Browns |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.121) |
| Temperature | warm |
| Nearest name | Umber (#B26400) |
| Black text | 4.62:1 |
| White text | 4.53:1 |
Values
| HEX | #AA661C |
| RGB | rgb(170, 102, 28) |
| HSL | hsl(31, 72%, 39%) |
| OKLCH | oklch(57.4% 0.121 62.2) |
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 #AA661C | 4.53:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #AA661C | 4.62:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #AA661C text on white | 4.53:1 | AA | Lc 71.2 | Content text, not long reading |
| #AA661C text on black | 4.62:1 | AA | Lc -30.5 | 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
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F2E8DF
oklch(93.6% 0.016 64.7)
-
Step 200
200
#E8D5C5
oklch(88.4% 0.03 62.5)
-
Step 300
300
#DBB99D
oklch(80.8% 0.055 61.4)
-
Step 400
400
#C89567
oklch(70.8% 0.087 62.7)
-
Step 500
500
#B9793C
oklch(63.1% 0.111 62)
-
Step 600
600 (this color)
#AA661C
oklch(57.4% 0.121 62.2)
-
Step 700
700
#8D5002
oklch(49.3% 0.112 62.3)
-
Step 800
800
#72410A
oklch(42.6% 0.093 61.7)
-
Step 900
900
#5C3813
oklch(37.7% 0.072 62.9)
-
Step 950
950
#36210D
oklch(27% 0.045 62.4)
#AA661C 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) | #7B6D0E | 0.086 |
| Deuteranopia (no green cones) | #8B7C1D | 0.076 |
| Tritanopia (no blue cones) | #BA5658 | 0.089 |
| Achromatopsia (no color) | #767676 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA661C
#AA661C
oklch(57.4% 0.121 62.2)
- #2680B9
#2680B9
oklch(57.5% 0.12 241.8)
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 #AA661C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Umber #B26400 ΔE 0.016
- Orangey Brown #B16002 ΔE 0.017
- Raw Umber #A75E09 ΔE 0.021
- Copper #B66325 ΔE 0.025
- Caramel #AF6F09 ΔE 0.028
- Brown Orange #B96902 ΔE 0.030
- Earth #A2653E ΔE 0.032
- Raw Sienna #9A6200 ΔE 0.035
Use #AA661C 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.