#A64C00
Closest named color: Cinnamon (#AC4F06). oklch(52.3% 0.138 50), rgb(166, 76, 0).
Aa
White text reads best on this color (5.74:1).
About this color
#A64C00 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 52%, its chroma 0.138 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Cinnamon (#AC4F06), ΔE 0.014 away. White text reads best on it, at 5.74:1.
| Hue family | Browns |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.138) |
| Temperature | warm |
| Nearest name | Cinnamon (#AC4F06) |
| Black text | 3.65:1 |
| White text | 5.74:1 |
Values
| HEX | #A64C00 |
| RGB | rgb(166, 76, 0) |
| HSL | hsl(27, 100%, 33%) |
| OKLCH | oklch(52.3% 0.138 50) |
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 #A64C00 | 5.74:1 | AA | Lc -83.3 | Fine for body text |
| Black text on #A64C00 | 3.65:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #A64C00 text on white | 5.74:1 | AA | Lc 78.1 | Fine for body text |
| #A64C00 text on black | 3.65:1 | AA large text | Lc -23.7 | 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 700.
-
Step 50
50
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F5E6DF
oklch(93.5% 0.019 46.8)
-
Step 200
200
#EED3C4
oklch(88.5% 0.037 51)
-
Step 300
300
#E5B59A
oklch(80.9% 0.067 50.8)
-
Step 400
400
#D68C62
oklch(70.6% 0.107 49.9)
-
Step 500
500
#CA6D33
oklch(63.1% 0.137 49.8)
-
Step 600
600
#B45300
oklch(55.5% 0.147 50)
-
Step 700
700 (this color)
#A64C00
oklch(52.3% 0.138 50)
-
Step 800
800
#7E3800
oklch(42.8% 0.113 50)
-
Step 900
900
#66310D
oklch(37.8% 0.089 50.2)
-
Step 950
950
#3C1D0A
oklch(27% 0.057 49.8)
#A64C00 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) | #665900 | 0.121 |
| Deuteranopia (no green cones) | #7C6E00 | 0.110 |
| Tritanopia (no blue cones) | #B73640 | 0.081 |
| Achromatopsia (no color) | #666666 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A64C00
#A64C00
oklch(52.3% 0.138 50)
- #00749A
#00749A
oklch(52.3% 0.104 229.9)
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 #A64C00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cinnamon #AC4F06 ΔE 0.014
- Burnt Umber #A0450E ΔE 0.022
- Sienna #A0522D ΔE 0.026
- Warm Brown #964E02 ΔE 0.031
- Burnt Siena #B75203 ΔE 0.038
- Raw Umber #A75E09 ΔE 0.042
- Russet #A13905 ΔE 0.043
- Sepia #985E2B ΔE 0.045
Use #A64C00 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.