#A43924
Closest named color: Brick (#A03623). oklch(49.5% 0.146 33.1), rgb(164, 57, 36).
Aa
White text reads best on this color (6.58:1).
About this color
#A43924 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.146 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Brick (#A03623), ΔE 0.011 away. White text reads best on it, at 6.58:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.146) |
| Temperature | warm |
| Nearest name | Brick (#A03623) |
| Black text | 3.18:1 |
| White text | 6.58:1 |
Values
| HEX | #A43924 |
| RGB | rgb(164, 57, 36) |
| HSL | hsl(10, 64%, 39%) |
| OKLCH | oklch(49.5% 0.146 33.1) |
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 #A43924 | 6.58:1 | AA | Lc -86.8 | Fine for body text |
| Black text on #A43924 | 3.18:1 | AA large text | Lc 22.4 | Dividers and decoration only |
| #A43924 text on white | 6.58:1 | AA | Lc 81.7 | Fine for body text |
| #A43924 text on black | 3.18:1 | AA large text | Lc -20.2 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F7E5E1
oklch(93.5% 0.021 32.5)
-
Step 200
200
#F2D0C9
oklch(88.4% 0.04 31.6)
-
Step 300
300
#EAB1A4
oklch(80.9% 0.07 33.2)
-
Step 400
400
#DE8572
oklch(70.7% 0.114 32.9)
-
Step 500
500
#D2644D
oklch(63.2% 0.144 33.2)
-
Step 600
600
#BD4730
oklch(55.5% 0.157 33)
-
Step 700
700 (this color)
#A43924
oklch(49.5% 0.146 33.1)
-
Step 800
800
#842F1F
oklch(42.6% 0.121 32.7)
-
Step 900
900
#6A2B1E
oklch(37.6% 0.094 33.3)
-
Step 950
950
#3F1A12
oklch(27.1% 0.06 33.5)
#A43924 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) | #574E21 | 0.151 |
| Deuteranopia (no green cones) | #726620 | 0.138 |
| Tritanopia (no blue cones) | #B51C35 | 0.055 |
| Achromatopsia (no color) | #5D5D5D | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A43924
#A43924
oklch(49.5% 0.146 33.1)
- #006E7F
#006E7F
oklch(49.5% 0.087 213.1)
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 #A43924, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick #A03623 ΔE 0.011
- Russet #A13905 ΔE 0.021
- Rusty Red #AF2F0D ΔE 0.025
- Brown #A52A2A ΔE 0.028
- Rust Red #AA2704 ΔE 0.028
- Burnt Umber #A0450E ΔE 0.033
- Rufous #AE2012 ΔE 0.035
- Firebrick #B22222 ΔE 0.038
Use #A43924 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.