#A64E23
Closest named color: Sienna (#A0522D). oklch(52.8% 0.129 44.2), rgb(166, 78, 35).
Aa
White text reads best on this color (5.62:1).
About this color
#A64E23 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 53%, its chroma 0.129 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.014 away. White text reads best on it, at 5.62:1.
| Hue family | Browns |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.129) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.73:1 |
| White text | 5.62:1 |
Values
| HEX | #A64E23 |
| RGB | rgb(166, 78, 35) |
| HSL | hsl(20, 65%, 39%) |
| OKLCH | oklch(52.8% 0.129 44.2) |
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 #A64E23 | 5.62:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #A64E23 | 3.73:1 | AA large text | Lc 26.5 | Dividers and decoration only |
| #A64E23 text on white | 5.62:1 | AA | Lc 77.6 | Fine for body text |
| #A64E23 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
#D28E70
oklch(70.8% 0.093 44.6)
-
Step 500
500
#C4704A
oklch(63.1% 0.119 44.4)
-
Step 600
600 (this color)
#A64E23
oklch(52.8% 0.129 44.2)
-
Step 700
700
#96461F
oklch(49% 0.119 44.2)
-
Step 800
800
#7A3A1C
oklch(42.7% 0.099 44)
-
Step 900
900
#63331D
oklch(37.8% 0.077 44.4)
-
Step 950
950
#3A1E11
oklch(27% 0.049 45)
#A64E23 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) | #675B1D | 0.119 |
| Deuteranopia (no green cones) | #7C6F21 | 0.109 |
| Tritanopia (no blue cones) | #B63B45 | 0.067 |
| Achromatopsia (no color) | #676767 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A64E23
#A64E23
oklch(52.8% 0.129 44.2)
- #007796
#007796
oklch(52.9% 0.1 224.2)
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 #A64E23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.014
- Cinnamon #AC4F06 ΔE 0.019
- Burnt Umber #A0450E ΔE 0.026
- Warm Brown #964E02 ΔE 0.038
- Burnt Siena #B75203 ΔE 0.038
- Sepia #985E2B ΔE 0.042
- Sinopia #BB3E03 ΔE 0.045
- Raw Umber #A75E09 ΔE 0.045
Use #A64E23 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.