#A64929
Closest named color: Sienna (#A0522D). oklch(52.1% 0.131 39), rgb(166, 73, 41).
Aa
White text reads best on this color (5.82:1).
About this color
#A64929 is a medium-dark, moderately saturated red. In OKLCH its lightness is 52%, its chroma 0.131 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.021 away. White text reads best on it, at 5.82:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.131) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.60:1 |
| White text | 5.82:1 |
Values
| HEX | #A64929 |
| RGB | rgb(166, 73, 41) |
| HSL | hsl(15, 60%, 41%) |
| OKLCH | oklch(52.1% 0.131 39) |
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 #A64929 | 5.82:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #A64929 | 3.60:1 | AA large text | Lc 25.6 | Dividers and decoration only |
| #A64929 text on white | 5.82:1 | AA | Lc 78.5 | Fine for body text |
| #A64929 text on black | 3.60:1 | AA large text | Lc -23.3 | 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
#EFD2C8
oklch(88.5% 0.035 40)
-
Step 300
300
#E6B3A3
oklch(80.9% 0.064 38.1)
-
Step 400
400
#D78A71
oklch(70.7% 0.101 38.7)
-
Step 500
500
#CA6B4B
oklch(63.1% 0.129 39.2)
-
Step 600
600
#B6502D
oklch(55.6% 0.141 38.9)
-
Step 700
700 (this color)
#A64929
oklch(52.1% 0.131 39)
-
Step 800
800
#7F361C
oklch(42.8% 0.108 39.4)
-
Step 900
900
#662F1D
oklch(37.6% 0.085 38.6)
-
Step 950
950
#3C1C12
oklch(26.9% 0.053 38.1)
#A64929 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) | #635825 | 0.127 |
| Deuteranopia (no green cones) | #796D27 | 0.118 |
| Tritanopia (no blue cones) | #B63542 | 0.060 |
| Achromatopsia (no color) | #656565 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A64929
#A64929
oklch(52.1% 0.131 39)
- #00758E
#00758E
oklch(52% 0.094 219.6)
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 #A64929, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.021
- Burnt Umber #A0450E ΔE 0.024
- Cinnamon #AC4F06 ΔE 0.031
- Russet #A13905 ΔE 0.037
- Brick #A03623 ΔE 0.042
- Sinopia #BB3E03 ΔE 0.043
- Warm Brown #964E02 ΔE 0.044
- Rusty Red #AF2F0D ΔE 0.045
Use #A64929 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.