#A64924
Closest named color: Sienna (#A0522D). oklch(52% 0.133 40.8), rgb(166, 73, 36).
Aa
White text reads best on this color (5.83:1).
About this color
#A64924 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 52%, its chroma 0.133 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.020 away. White text reads best on it, at 5.83:1.
| Hue family | Browns |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.133) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.59:1 |
| White text | 5.83:1 |
Values
| HEX | #A64924 |
| RGB | rgb(166, 73, 36) |
| HSL | hsl(17, 64%, 40%) |
| OKLCH | oklch(52% 0.133 40.8) |
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 #A64924 | 5.83:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #A64924 | 3.59:1 | AA large text | Lc 25.5 | Dividers and decoration only |
| #A64924 text on white | 5.83:1 | AA | Lc 78.6 | Fine for body text |
| #A64924 text on black | 3.59:1 | AA large text | Lc -23.2 | 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 700.
-
Step 50
50
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#EFD2C7
oklch(88.5% 0.036 41.9)
-
Step 300
300
#E6B3A1
oklch(80.8% 0.065 40.3)
-
Step 400
400
#D78A6E
oklch(70.6% 0.103 40.7)
-
Step 500
500
#CB6B47
oklch(63.2% 0.132 40.8)
-
Step 600
600
#B65028
oklch(55.6% 0.143 40.6)
-
Step 700
700 (this color)
#A64924
oklch(52% 0.133 40.8)
-
Step 800
800
#7F3618
oklch(42.8% 0.11 41.2)
-
Step 900
900
#662F1A
oklch(37.5% 0.086 40.8)
-
Step 950
950
#3C1C10
oklch(26.9% 0.054 40.9)
#A64924 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) | #63581F | 0.128 |
| Deuteranopia (no green cones) | #7A6D21 | 0.117 |
| Tritanopia (no blue cones) | #B63441 | 0.064 |
| Achromatopsia (no color) | #656565 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A64924
#A64924
oklch(52% 0.133 40.8)
- #00758F
#00758F
oklch(52% 0.095 220.4)
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 #A64924, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.020
- Burnt Umber #A0450E ΔE 0.021
- Cinnamon #AC4F06 ΔE 0.027
- Russet #A13905 ΔE 0.036
- Warm Brown #964E02 ΔE 0.041
- Sinopia #BB3E03 ΔE 0.042
- Brick #A03623 ΔE 0.043
- Rusty Red #AF2F0D ΔE 0.045
Use #A64924 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.