#AC662F
Closest named color: Copper (#B66325). oklch(57.8% 0.114 55.9), rgb(172, 102, 47).
Aa
Black text reads best on this color (4.69:1).
About this color
#AC662F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 58%, its chroma 0.114 and its hue 56°. 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 4.69:1.
| Hue family | Browns |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.114) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 4.69:1 |
| White text | 4.47:1 |
Values
| HEX | #AC662F |
| RGB | rgb(172, 102, 47) |
| HSL | hsl(26, 57%, 43%) |
| OKLCH | oklch(57.8% 0.114 55.9) |
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 #AC662F | 4.47:1 | AA large text | Lc -76.2 | Fine for body text |
| Black text on #AC662F | 4.69:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #AC662F text on white | 4.47:1 | AA large text | Lc 70.7 | Content text, not long reading |
| #AC662F text on black | 4.69:1 | AA | Lc -30.9 | 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
#F2E8E1
oklch(93.7% 0.014 57.6)
-
Step 200
200
#E9D5C8
oklch(88.6% 0.028 55.3)
-
Step 300
300
#DBB9A1
oklch(80.9% 0.051 57.1)
-
Step 400
400
#C8936E
oklch(70.6% 0.082 55.9)
-
Step 500
500
#B97847
oklch(63.1% 0.104 56.5)
-
Step 600
600 (this color)
#AC662F
oklch(57.8% 0.114 55.9)
-
Step 700
700
#8D4E1A
oklch(49% 0.106 55.6)
-
Step 800
800
#734118
oklch(42.8% 0.088 56.3)
-
Step 900
900
#5D371B
oklch(37.7% 0.068 55.2)
-
Step 950
950
#362110
oklch(27% 0.043 58.6)
#AC662F 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) | #7B6E29 | 0.088 |
| Deuteranopia (no green cones) | #8B7D2F | 0.080 |
| Tritanopia (no blue cones) | #BC575A | 0.077 |
| Achromatopsia (no color) | #777777 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC662F
#AC662F
oklch(57.8% 0.114 55.9)
- #2083B4
#2083B4
oklch(57.8% 0.114 236.2)
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 #AC662F, 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 0.023
- Orangey Brown #B16002 ΔE 0.023
- Umber #B26400 ΔE 0.024
- Raw Umber #A75E09 ΔE 0.029
- Clay Brown #B2713D ΔE 0.031
- Brown Orange #B96902 ΔE 0.034
- Leather #AC7434 ΔE 0.035
Use #AC662F 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.