#A64534
Closest named color: Sienna (#A0522D). oklch(51.6% 0.132 31.9), rgb(166, 69, 52).
Aa
White text reads best on this color (5.96:1).
About this color
#A64534 is a medium-dark, moderately saturated red. In OKLCH its lightness is 52%, its chroma 0.132 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.034 away. White text reads best on it, at 5.96:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.132) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.52:1 |
| White text | 5.96:1 |
Values
| HEX | #A64534 |
| RGB | rgb(166, 69, 52) |
| HSL | hsl(9, 52%, 43%) |
| OKLCH | oklch(51.6% 0.132 31.9) |
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 #A64534 | 5.96:1 | AA | Lc -84.4 | Fine for body text |
| Black text on #A64534 | 3.52:1 | AA large text | Lc 24.9 | Dividers and decoration only |
| #A64534 text on white | 5.96:1 | AA | Lc 79.1 | Fine for body text |
| #A64534 text on black | 3.52:1 | AA large text | Lc -22.7 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E6E2
oklch(93.7% 0.018 34.3)
-
Step 200
200
#F0D1CB
oklch(88.5% 0.036 30.8)
-
Step 300
300
#E7B2A7
oklch(80.9% 0.064 31.9)
-
Step 400
400
#D98878
oklch(70.7% 0.103 31.9)
-
Step 500
500
#CC6856
oklch(63.1% 0.131 31.6)
-
Step 600
600
#B74D3B
oklch(55.5% 0.142 31.6)
-
Step 700
700 (this color)
#A64534
oklch(51.6% 0.132 31.9)
-
Step 800
800
#803326
oklch(42.6% 0.11 31.6)
-
Step 900
900
#672E23
oklch(37.7% 0.085 32.4)
-
Step 950
950
#3D1B15
oklch(27% 0.055 31.3)
#A64534 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) | #5F5632 | 0.135 |
| Deuteranopia (no green cones) | #776B32 | 0.123 |
| Tritanopia (no blue cones) | #B63141 | 0.050 |
| Achromatopsia (no color) | #646464 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A64534
#A64534
oklch(51.6% 0.132 31.9)
- #007586
#007586
oklch(51.6% 0.09 212.2)
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 #A64534, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.034
- Brick #A03623 ΔE 0.034
- Burnt Umber #A0450E ΔE 0.035
- Russet #A13905 ΔE 0.039
- Rusty Red #AF2F0D ΔE 0.041
- Dull Red #BB3F3F ΔE 0.044
- Light Maroon #A24857 ΔE 0.046
- Cinnamon #AC4F06 ΔE 0.047
Use #A64534 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.