#AD4E2D
Closest named color: Sienna (#A0522D). oklch(53.9% 0.133 39.2), rgb(173, 78, 45).
Aa
White text reads best on this color (5.37:1).
About this color
#AD4E2D is a medium-dark, moderately saturated red. In OKLCH its lightness is 54%, its chroma 0.133 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.025 away. White text reads best on it, at 5.37:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.133) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.90:1 |
| White text | 5.37:1 |
Values
| HEX | #AD4E2D |
| RGB | rgb(173, 78, 45) |
| HSL | hsl(15, 59%, 43%) |
| OKLCH | oklch(53.9% 0.133 39.2) |
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 #AD4E2D | 5.37:1 | AA | Lc -81.6 | Fine for body text |
| Black text on #AD4E2D | 3.90:1 | AA large text | Lc 27.9 | Dividers and decoration only |
| #AD4E2D text on white | 5.37:1 | AA | Lc 76.2 | Fine for body text |
| #AD4E2D text on black | 3.90:1 | AA large text | Lc -25.5 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F5E6E1
oklch(93.5% 0.018 39.4)
-
Step 200
200
#EED2C9
oklch(88.5% 0.034 38.6)
-
Step 300
300
#E4B4A4
oklch(80.9% 0.06 39.2)
-
Step 400
400
#D48C73
oklch(70.7% 0.095 39.9)
-
Step 500
500
#C76D4F
oklch(63.1% 0.122 39.1)
-
Step 600
600 (this color)
#AD4E2D
oklch(53.9% 0.133 39.2)
-
Step 700
700
#994325
oklch(49.1% 0.123 39.2)
-
Step 800
800
#7D3820
oklch(42.8% 0.103 39.3)
-
Step 900
900
#65311F
oklch(37.8% 0.08 39.5)
-
Step 950
950
#3B1D13
oklch(27% 0.05 39.1)
#AD4E2D 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) | #685D29 | 0.129 |
| Deuteranopia (no green cones) | #7F722B | 0.118 |
| Tritanopia (no blue cones) | #BE3A47 | 0.062 |
| Achromatopsia (no color) | #6A6A6A | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AD4E2D
#AD4E2D
oklch(53.9% 0.133 39.2)
- #007B95
#007B95
oklch(53.9% 0.098 219.5)
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 #AD4E2D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.025
- Cinnamon #AC4F06 ΔE 0.025
- Burnt Siena #B75203 ΔE 0.034
- Sinopia #BB3E03 ΔE 0.037
- Burnt Umber #A0450E ΔE 0.039
- Brick Orange #C14A09 ΔE 0.041
- Burnt Orange #C04E01 ΔE 0.042
- Dull Red #BB3F3F ΔE 0.047
Use #AD4E2D 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.