#A64225
Closest named color: Burnt Umber (#A0450E). oklch(51% 0.139 36.7), rgb(166, 66, 37).
Aa
White text reads best on this color (6.12:1).
About this color
#A64225 is a medium-dark, moderately saturated red. In OKLCH its lightness is 51%, its chroma 0.139 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Umber (#A0450E), ΔE 0.023 away. White text reads best on it, at 6.12:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.139) |
| Temperature | warm |
| Nearest name | Burnt Umber (#A0450E) |
| Black text | 3.42:1 |
| White text | 6.12:1 |
Values
| HEX | #A64225 |
| RGB | rgb(166, 66, 37) |
| HSL | hsl(13, 64%, 40%) |
| OKLCH | oklch(51% 0.139 36.7) |
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 #A64225 | 6.12:1 | AA | Lc -85.0 | Fine for body text |
| Black text on #A64225 | 3.42:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #A64225 text on white | 6.12:1 | AA | Lc 79.8 | Fine for body text |
| #A64225 text on black | 3.42:1 | AA large text | Lc -22.0 | 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
#FBF3F1
oklch(97% 0.009 34.3)
-
Step 100
100
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#F0D1C8
oklch(88.4% 0.037 36.8)
-
Step 300
300
#E8B2A2
oklch(80.9% 0.067 37.1)
-
Step 400
400
#DA8870
oklch(70.7% 0.107 37.1)
-
Step 500
500
#CE674A
oklch(63% 0.138 36.6)
-
Step 600
600
#BA4C2C
oklch(55.7% 0.15 36.8)
-
Step 700
700 (this color)
#A64225
oklch(51% 0.139 36.7)
-
Step 800
800
#82331C
oklch(42.8% 0.115 36.8)
-
Step 900
900
#692D1D
oklch(37.7% 0.09 35.9)
-
Step 950
950
#3D1B11
oklch(26.9% 0.056 37.2)
#A64225 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) | #5E5421 | 0.139 |
| Deuteranopia (no green cones) | #766A22 | 0.128 |
| Tritanopia (no blue cones) | #B72A3C | 0.060 |
| Achromatopsia (no color) | #626262 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A64225
#A64225
oklch(51% 0.139 36.7)
- #007288
#007288
oklch(50.9% 0.091 217.4)
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 #A64225, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Umber #A0450E ΔE 0.023
- Russet #A13905 ΔE 0.026
- Brick #A03623 ΔE 0.029
- Rusty Red #AF2F0D ΔE 0.033
- Sienna #A0522D ΔE 0.034
- Cinnamon #AC4F06 ΔE 0.041
- Sinopia #BB3E03 ΔE 0.042
- Rust Red #AA2704 ΔE 0.043
Use #A64225 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.