#AD523B
Closest named color: Sienna (#A0522D). oklch(54.8% 0.125 35.3), rgb(173, 82, 59).
Aa
White text reads best on this color (5.18:1).
About this color
#AD523B is a medium-dark, moderately saturated red. In OKLCH its lightness is 55%, its chroma 0.125 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.030 away. White text reads best on it, at 5.18:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.125) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 4.04:1 |
| White text | 5.18:1 |
Values
| HEX | #AD523B |
| RGB | rgb(173, 82, 59) |
| HSL | hsl(12, 49%, 45%) |
| OKLCH | oklch(54.8% 0.125 35.3) |
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 #AD523B | 5.18:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #AD523B | 4.04:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #AD523B text on white | 5.18:1 | AA | Lc 75.2 | Fine for body text |
| #AD523B text on black | 4.04:1 | AA large text | Lc -26.5 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F4E6E3
oklch(93.5% 0.016 32)
-
Step 200
200
#EDD2CB
oklch(88.4% 0.032 34.9)
-
Step 300
300
#E2B4A8
oklch(80.8% 0.056 35)
-
Step 400
400
#D28C7A
oklch(70.6% 0.09 35.1)
-
Step 500
500
#C56E58
oklch(63.1% 0.116 35.1)
-
Step 600
600 (this color)
#AD523B
oklch(54.8% 0.125 35.3)
-
Step 700
700
#974430
oklch(49.1% 0.117 34.8)
-
Step 800
800
#7B3928
oklch(42.8% 0.096 35.5)
-
Step 900
900
#633225
oklch(37.8% 0.074 35.8)
-
Step 950
950
#3A1D16
oklch(26.9% 0.048 34.5)
#AD523B 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) | #6A6139 | 0.124 |
| Deuteranopia (no green cones) | #807439 | 0.114 |
| Tritanopia (no blue cones) | #BD414D | 0.054 |
| Achromatopsia (no color) | #6D6D6D | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AD523B
#AD523B
oklch(54.8% 0.125 35.3)
- #007E94
#007E94
oklch(54.6% 0.097 215.6)
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 #AD523B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.030
- Cinnamon #AC4F06 ΔE 0.038
- Burnt Siena #B75203 ΔE 0.041
- Dusty Red #B9484E ΔE 0.042
- Dull Red #BB3F3F ΔE 0.045
- Brick Orange #C14A09 ΔE 0.047
- Earth #A2653E ΔE 0.047
- Sinopia #BB3E03 ΔE 0.047
Use #AD523B 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.