#A64F3D
Closest named color: Sienna (#A0522D). oklch(53.3% 0.119 33.1), rgb(166, 79, 61).
Aa
White text reads best on this color (5.51:1).
About this color
#A64F3D is a medium-dark, moderately saturated red. In OKLCH its lightness is 53%, its chroma 0.119 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.025 away. White text reads best on it, at 5.51:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.119) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.80:1 |
| White text | 5.51:1 |
Values
| HEX | #A64F3D |
| RGB | rgb(166, 79, 61) |
| HSL | hsl(10, 46%, 45%) |
| OKLCH | oklch(53.3% 0.119 33.1) |
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 #A64F3D | 5.51:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #A64F3D | 3.80:1 | AA large text | Lc 27.0 | Dividers and decoration only |
| #A64F3D text on white | 5.51:1 | AA | Lc 77.1 | Fine for body text |
| #A64F3D text on black | 3.80:1 | AA large text | Lc -24.7 | 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 600.
-
Step 50
50
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F4E6E3
oklch(93.5% 0.016 32)
-
Step 200
200
#ECD3CD
oklch(88.6% 0.029 33.7)
-
Step 300
300
#E1B5AB
oklch(81% 0.053 33)
-
Step 400
400
#D08D7E
oklch(70.7% 0.085 33.1)
-
Step 500
500
#C26F5D
oklch(63% 0.109 33.2)
-
Step 600
600 (this color)
#A64F3D
oklch(53.3% 0.119 33.1)
-
Step 700
700
#954635
oklch(49.2% 0.11 33.5)
-
Step 800
800
#793A2D
oklch(42.8% 0.091 33)
-
Step 900
900
#623228
oklch(37.7% 0.072 32.9)
-
Step 950
950
#3A1E18
oklch(27.1% 0.046 33)
#A64F3D 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) | #655D3B | 0.120 |
| Deuteranopia (no green cones) | #7B703B | 0.111 |
| Tritanopia (no blue cones) | #B53F4B | 0.049 |
| Achromatopsia (no color) | #696969 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A64F3D
#A64F3D
oklch(53.3% 0.119 33.1)
- #007A8D
#007A8D
oklch(53.3% 0.093 213.5)
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 #A64F3D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.025
- Cinnamon #AC4F06 ΔE 0.043
- Burnt Umber #A0450E ΔE 0.044
- Light Maroon #A24857 ΔE 0.045
- Dusty Red #B9484E ΔE 0.046
- Dull Red #BB3F3F ΔE 0.048
- Sepia #985E2B ΔE 0.053
- Burnt Siena #B75203 ΔE 0.054
Use #A64F3D 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.