#AD433B
Closest named color: Dull Red (#BB3F3F). oklch(52.6% 0.141 27.3), rgb(173, 67, 59).
Aa
White text reads best on this color (5.76:1).
About this color
#AD433B is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.141 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.028 away. White text reads best on it, at 5.76:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.141) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.64:1 |
| White text | 5.76:1 |
Values
| HEX | #AD433B |
| RGB | rgb(173, 67, 59) |
| HSL | hsl(4, 49%, 45%) |
| OKLCH | oklch(52.6% 0.141 27.3) |
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 #AD433B | 5.76:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #AD433B | 3.64:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #AD433B text on white | 5.76:1 | AA | Lc 78.1 | Fine for body text |
| #AD433B text on black | 3.64:1 | AA large text | Lc -23.7 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E6E3
oklch(93.7% 0.018 30.3)
-
Step 200
200
#F0D1CD
oklch(88.6% 0.035 26.6)
-
Step 300
300
#E7B2AB
oklch(81% 0.063 27.2)
-
Step 400
400
#D9887E
oklch(70.8% 0.101 27.5)
-
Step 500
500
#CC675D
oklch(63% 0.13 27.2)
-
Step 600
600 (this color)
#AD433B
oklch(52.6% 0.141 27.3)
-
Step 700
700
#9D3D35
oklch(49.1% 0.13 27.6)
-
Step 800
800
#80332C
oklch(42.7% 0.108 27.7)
-
Step 900
900
#672D28
oklch(37.6% 0.085 26.9)
-
Step 950
950
#3D1B18
oklch(27% 0.054 26.5)
#AD433B 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) | #5F573A | 0.147 |
| Deuteranopia (no green cones) | #796E38 | 0.136 |
| Tritanopia (no blue cones) | #BE2D42 | 0.047 |
| Achromatopsia (no color) | #666666 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AD433B
#AD433B
oklch(52.6% 0.141 27.3)
- #007985
#007985
oklch(52.6% 0.09 206.9)
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 #AD433B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.028
- Dusty Red #B9484E ΔE 0.035
- Light Maroon #A24857 ΔE 0.041
- Rusty Red #AF2F0D ΔE 0.043
- Brick #A03623 ΔE 0.044
- Sinopia #BB3E03 ΔE 0.045
- Sienna #A0522D ΔE 0.046
- Dark Rose #B5485D ΔE 0.047
Use #AD433B 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.