#A3443A
Closest named color: Brick (#A03623). oklch(51.1% 0.128 28.4), rgb(163, 68, 58).
Aa
White text reads best on this color (6.09:1).
About this color
#A3443A is a medium-dark, moderately saturated red. In OKLCH its lightness is 51%, its chroma 0.128 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Brick (#A03623), ΔE 0.033 away. White text reads best on it, at 6.09:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.128) |
| Temperature | warm |
| Nearest name | Brick (#A03623) |
| Black text | 3.44:1 |
| White text | 6.09:1 |
Values
| HEX | #A3443A |
| RGB | rgb(163, 68, 58) |
| HSL | hsl(6, 48%, 43%) |
| OKLCH | oklch(51.1% 0.128 28.4) |
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 #A3443A | 6.09:1 | AA | Lc -85.0 | Fine for body text |
| Black text on #A3443A | 3.44:1 | AA large text | Lc 24.3 | Dividers and decoration only |
| #A3443A text on white | 6.09:1 | AA | Lc 79.8 | Fine for body text |
| #A3443A text on black | 3.44:1 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E6E3
oklch(93.7% 0.018 30.3)
-
Step 200
200
#EFD1CC
oklch(88.4% 0.034 29)
-
Step 300
300
#E6B2AA
oklch(80.9% 0.062 28.5)
-
Step 400
400
#D7887D
oklch(70.6% 0.099 28.4)
-
Step 500
500
#CB695D
oklch(63.2% 0.127 28.4)
-
Step 600
600
#B64E43
oklch(55.6% 0.138 28.4)
-
Step 700
700 (this color)
#A3443A
oklch(51.1% 0.128 28.4)
-
Step 800
800
#7F342C
oklch(42.7% 0.106 28.4)
-
Step 900
900
#672E28
oklch(37.8% 0.083 27.8)
-
Step 950
950
#3C1C17
oklch(27% 0.051 30.1)
#A3443A 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) | #5C5539 | 0.134 |
| Deuteranopia (no green cones) | #746A38 | 0.124 |
| Tritanopia (no blue cones) | #B23242 | 0.044 |
| Achromatopsia (no color) | #626262 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3443A
#A3443A
oklch(51.1% 0.128 28.4)
- #007481
#007481
oklch(51.1% 0.088 208.4)
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 #A3443A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick #A03623 ΔE 0.033
- Light Maroon #A24857 ΔE 0.038
- Sienna #A0522D ΔE 0.040
- Burnt Umber #A0450E ΔE 0.041
- Russet #A13905 ΔE 0.043
- Brown #A52A2A ΔE 0.044
- Rusty Red #AF2F0D ΔE 0.045
- Dull Red #BB3F3F ΔE 0.047
Use #A3443A 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.