#A43338
Closest named color: Brown (#A52A2A). oklch(49.1% 0.148 22.1), rgb(164, 51, 56).
Aa
White text reads best on this color (6.75:1).
About this color
#A43338 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.148 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Brown (#A52A2A), ΔE 0.018 away. White text reads best on it, at 6.75:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.148) |
| Temperature | warm |
| Nearest name | Brown (#A52A2A) |
| Black text | 3.10:1 |
| White text | 6.75:1 |
Values
| HEX | #A43338 |
| RGB | rgb(164, 51, 56) |
| HSL | hsl(357, 53%, 42%) |
| OKLCH | oklch(49.1% 0.148 22.1) |
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 #A43338 | 6.75:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #A43338 | 3.10:1 | AA large text | Lc 21.8 | Dividers and decoration only |
| #A43338 text on white | 6.75:1 | AA | Lc 82.3 | Fine for body text |
| #A43338 text on black | 3.10:1 | AA large text | Lc -19.6 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F8E5E4
oklch(93.7% 0.021 21.2)
-
Step 200
200
#F3CFCD
oklch(88.4% 0.041 21.7)
-
Step 300
300
#ECAFAC
oklch(81% 0.072 22)
-
Step 400
400
#DF8280
oklch(70.6% 0.115 21.7)
-
Step 500
500
#D36060
oklch(63.1% 0.146 22.1)
-
Step 600
600
#BF4347
oklch(55.7% 0.159 22.1)
-
Step 700
700 (this color)
#A43338
oklch(49.1% 0.148 22.1)
-
Step 800
800
#852C2F
oklch(42.7% 0.122 22)
-
Step 900
900
#6B292A
oklch(37.7% 0.095 21.9)
-
Step 950
950
#3F1919
oklch(27% 0.06 21.8)
#A43338 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) | #514C37 | 0.161 |
| Deuteranopia (no green cones) | #6E6435 | 0.147 |
| Tritanopia (no blue cones) | #B41536 | 0.041 |
| Achromatopsia (no color) | #5B5B5B | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A43338
#A43338
oklch(49.1% 0.148 22.1)
- #006E75
#006E75
oklch(49% 0.083 202.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes and gradients that use #A43338
These curated palettes and gradients contain exactly #A43338. Open one to see the full color scheme around it.
Gradients
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown #A52A2A ΔE 0.018
- Brick #A03623 ΔE 0.027
- Firebrick #B22222 ΔE 0.035
- Auburn #9B2226 ΔE 0.038
- Rufous #AE2012 ΔE 0.039
- Rouge #AB1239 ΔE 0.040
- Rust Red #AA2704 ΔE 0.041
- Rusty Red #AF2F0D ΔE 0.042
Use #A43338 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.