#AD4340
Closest named color: Dull Red (#BB3F3F). oklch(52.7% 0.14 24.7), rgb(173, 67, 64).
Aa
White text reads best on this color (5.74:1).
About this color
#AD4340 is a medium-dark, moderately saturated red. In OKLCH its lightness is 53%, its chroma 0.140 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.027 away. White text reads best on it, at 5.74:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.140) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.65:1 |
| White text | 5.74:1 |
Values
| HEX | #AD4340 |
| RGB | rgb(173, 67, 64) |
| HSL | hsl(2, 46%, 46%) |
| OKLCH | oklch(52.7% 0.14 24.7) |
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 #AD4340 | 5.74:1 | AA | Lc -83.3 | Fine for body text |
| Black text on #AD4340 | 3.65:1 | AA large text | Lc 26.1 | Dividers and decoration only |
| #AD4340 text on white | 5.74:1 | AA | Lc 78.0 | Fine for body text |
| #AD4340 text on black | 3.65:1 | AA large text | Lc -23.8 | 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 600.
-
Step 50
50
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F6E5E4
oklch(93.5% 0.019 21.6)
-
Step 200
200
#F0D1CE
oklch(88.6% 0.035 24.4)
-
Step 300
300
#E7B1AC
oklch(80.8% 0.064 24.6)
-
Step 400
400
#D88781
oklch(70.6% 0.101 24.5)
-
Step 500
500
#CC6761
oklch(63.1% 0.129 24.9)
-
Step 600
600 (this color)
#AD4340
oklch(52.7% 0.14 24.7)
-
Step 700
700
#9D3C3A
oklch(49% 0.13 24.3)
-
Step 800
800
#803330
oklch(42.8% 0.108 24.9)
-
Step 900
900
#672D2A
oklch(37.6% 0.084 24.9)
-
Step 950
950
#3D1B19
oklch(27.1% 0.054 24.7)
#AD4340 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) | #5E583F | 0.149 |
| Deuteranopia (no green cones) | #796E3D | 0.136 |
| Tritanopia (no blue cones) | #BD2E43 | 0.043 |
| Achromatopsia (no color) | #666666 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AD4340
#AD4340
oklch(52.7% 0.14 24.7)
- #007983
#007983
oklch(52.6% 0.09 204.9)
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 #AD4340, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.027
- Dusty Red #B9484E ΔE 0.031
- Light Maroon #A24857 ΔE 0.036
- Light Burgundy #A8415B ΔE 0.042
- Dark Rose #B5485D ΔE 0.042
- Brick #A03623 ΔE 0.047
- Rusty Red #AF2F0D ΔE 0.047
- Firebrick #B22222 ΔE 0.050
Use #AD4340 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.