#A34428
Closest named color: Burnt Umber (#A0450E). oklch(50.9% 0.133 37), rgb(163, 68, 40).
Aa
White text reads best on this color (6.14:1).
About this color
#A34428 is a medium-dark, moderately saturated red. In OKLCH its lightness is 51%, its chroma 0.133 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Umber (#A0450E), ΔE 0.021 away. White text reads best on it, at 6.14:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.133) |
| Temperature | warm |
| Nearest name | Burnt Umber (#A0450E) |
| Black text | 3.41:1 |
| White text | 6.14:1 |
Values
| HEX | #A34428 |
| RGB | rgb(163, 68, 40) |
| HSL | hsl(14, 61%, 40%) |
| OKLCH | oklch(50.9% 0.133 37) |
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 #A34428 | 6.14:1 | AA | Lc -85.2 | Fine for body text |
| Black text on #A34428 | 3.41:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #A34428 text on white | 6.14:1 | AA | Lc 80.0 | Fine for body text |
| #A34428 text on black | 3.41:1 | AA large text | Lc -21.8 | 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
#EFD2C9
oklch(88.6% 0.035 38)
-
Step 300
300
#E6B3A4
oklch(80.9% 0.063 37)
-
Step 400
400
#D88972
oklch(70.6% 0.103 37)
-
Step 500
500
#CC6A4D
oklch(63.2% 0.132 37.3)
-
Step 600
600
#B74F30
oklch(55.7% 0.143 37.2)
-
Step 700
700 (this color)
#A34428
oklch(50.9% 0.133 37)
-
Step 800
800
#80341E
oklch(42.7% 0.111 36.8)
-
Step 900
900
#672F1E
oklch(37.8% 0.085 37.6)
-
Step 950
950
#3D1C12
oklch(27.1% 0.055 37.6)
#A34428 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) | #5E5425 | 0.132 |
| Deuteranopia (no green cones) | #756925 | 0.121 |
| Tritanopia (no blue cones) | #B32F3E | 0.058 |
| Achromatopsia (no color) | #616161 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A34428
#A34428
oklch(50.9% 0.133 37)
- #007287
#007287
oklch(50.9% 0.091 216.4)
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 #A34428, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Umber #A0450E ΔE 0.021
- Russet #A13905 ΔE 0.027
- Brick #A03623 ΔE 0.029
- Sienna #A0522D ΔE 0.030
- Rusty Red #AF2F0D ΔE 0.038
- Cinnamon #AC4F06 ΔE 0.042
- Warm Brown #964E02 ΔE 0.045
- Rust Red #AA2704 ΔE 0.047
Use #A34428 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.