#AD3C29
Closest named color: Rusty Red (#AF2F0D). oklch(51.4% 0.152 32), rgb(173, 60, 41).
Aa
White text reads best on this color (6.07:1).
About this color
#AD3C29 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.152 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Red (#AF2F0D), ΔE 0.024 away. White text reads best on it, at 6.07:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.152) |
| Temperature | warm |
| Nearest name | Rusty Red (#AF2F0D) |
| Black text | 3.45:1 |
| White text | 6.07:1 |
Values
| HEX | #AD3C29 |
| RGB | rgb(173, 60, 41) |
| HSL | hsl(9, 62%, 42%) |
| OKLCH | oklch(51.4% 0.152 32) |
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 #AD3C29 | 6.07:1 | AA | Lc -84.6 | Fine for body text |
| Black text on #AD3C29 | 3.45:1 | AA large text | Lc 24.6 | Dividers and decoration only |
| #AD3C29 text on white | 6.07:1 | AA | Lc 79.4 | Fine for body text |
| #AD3C29 text on black | 3.45:1 | AA large text | Lc -22.4 | 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
#F8E5E1
oklch(93.6% 0.022 31.8)
-
Step 200
200
#F3D0C9
oklch(88.5% 0.041 31.2)
-
Step 300
300
#ECB0A3
oklch(80.9% 0.073 32.5)
-
Step 400
400
#E08472
oklch(70.8% 0.117 32)
-
Step 500
500
#D4614C
oklch(63% 0.15 32.1)
-
Step 600
600
#C0442F
oklch(55.6% 0.163 32)
-
Step 700
700 (this color)
#AD3C29
oklch(51.4% 0.152 32)
-
Step 800
800
#862D1E
oklch(42.7% 0.125 32)
-
Step 900
900
#6C2A1E
oklch(37.8% 0.097 32.2)
-
Step 950
950
#401912
oklch(27% 0.063 31.8)
#AD3C29 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) | #5C5326 | 0.157 |
| Deuteranopia (no green cones) | #786B25 | 0.143 |
| Tritanopia (no blue cones) | #BE1D38 | 0.055 |
| Achromatopsia (no color) | #626262 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AD3C29
#AD3C29
oklch(51.4% 0.152 32)
- #007485
#007485
oklch(51.3% 0.09 212.3)
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 #AD3C29, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Red #AF2F0D ΔE 0.024
- Brick #A03623 ΔE 0.031
- Russet #A13905 ΔE 0.035
- Sinopia #BB3E03 ΔE 0.036
- Firebrick #B22222 ΔE 0.036
- Rust Red #AA2704 ΔE 0.037
- Dull Red #BB3F3F ΔE 0.038
- Brown #A52A2A ΔE 0.039
Use #AD3C29 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.