#A64E24
Closest named color: Sienna (#A0522D). oklch(52.8% 0.128 43.9), rgb(166, 78, 36).
Aa
White text reads best on this color (5.62:1).
About this color
#A64E24 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 53%, its chroma 0.128 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.013 away. White text reads best on it, at 5.62:1.
| Hue family | Browns |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.128) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.73:1 |
| White text | 5.62:1 |
Values
| HEX | #A64E24 |
| RGB | rgb(166, 78, 36) |
| HSL | hsl(19, 64%, 40%) |
| OKLCH | oklch(52.8% 0.128 43.9) |
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 #A64E24 | 5.62:1 | AA | Lc -82.8 | Fine for body text |
| Black text on #A64E24 | 3.73:1 | AA large text | Lc 26.5 | Dividers and decoration only |
| #A64E24 text on white | 5.62:1 | AA | Lc 77.5 | Fine for body text |
| #A64E24 text on black | 3.73:1 | AA large text | Lc -24.2 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F4E7E1
oklch(93.7% 0.016 46.6)
-
Step 200
200
#EDD3C8
oklch(88.5% 0.033 44.3)
-
Step 300
300
#E2B5A3
oklch(80.9% 0.058 42.9)
-
Step 400
400
#D18E71
oklch(70.7% 0.092 44.2)
-
Step 500
500
#C4704B
oklch(63.1% 0.118 43.9)
-
Step 600
600 (this color)
#A64E24
oklch(52.8% 0.128 43.9)
-
Step 700
700
#964620
oklch(49% 0.119 43.8)
-
Step 800
800
#7A3A1C
oklch(42.7% 0.099 44)
-
Step 900
900
#63331D
oklch(37.8% 0.077 44.4)
-
Step 950
950
#3A1E12
oklch(27% 0.049 43.5)
#A64E24 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) | #675B1F | 0.119 |
| Deuteranopia (no green cones) | #7C6F22 | 0.109 |
| Tritanopia (no blue cones) | #B63B45 | 0.067 |
| Achromatopsia (no color) | #676767 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A64E24
#A64E24
oklch(52.8% 0.128 43.9)
- #007795
#007795
oklch(52.9% 0.099 223.4)
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 #A64E24, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.013
- Cinnamon #AC4F06 ΔE 0.020
- Burnt Umber #A0450E ΔE 0.026
- Warm Brown #964E02 ΔE 0.039
- Burnt Siena #B75203 ΔE 0.039
- Sepia #985E2B ΔE 0.042
- Sinopia #BB3E03 ΔE 0.045
- Raw Umber #A75E09 ΔE 0.045
Use #A64E24 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.