#AD5151
Closest named color: Dusty Red (#B9484E). oklch(55% 0.121 21.8), rgb(173, 81, 81).
Aa
White text reads best on this color (5.15:1).
About this color
#AD5151 is a medium-dark, moderately saturated red. In OKLCH its lightness is 55%, its chroma 0.121 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Dusty Red (#B9484E), ΔE 0.026 away. White text reads best on it, at 5.15:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.121) |
| Temperature | warm |
| Nearest name | Dusty Red (#B9484E) |
| Black text | 4.07:1 |
| White text | 5.15:1 |
Values
| HEX | #AD5151 |
| RGB | rgb(173, 81, 81) |
| HSL | hsl(0, 36%, 50%) |
| OKLCH | oklch(55% 0.121 21.8) |
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 #AD5151 | 5.15:1 | AA | Lc -80.4 | Fine for body text |
| Black text on #AD5151 | 4.07:1 | AA large text | Lc 29.0 | Dividers and decoration only |
| #AD5151 text on white | 5.15:1 | AA | Lc 75.0 | Fine for body text |
| #AD5151 text on black | 4.07:1 | AA large text | Lc -26.7 | 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F4E6E5
oklch(93.6% 0.015 22.4)
-
Step 200
200
#EDD2D0
oklch(88.6% 0.03 22.8)
-
Step 300
300
#E2B3B1
oklch(80.8% 0.055 21.2)
-
Step 400
400
#D28B88
oklch(70.8% 0.087 22.2)
-
Step 500
500
#C46C6B
oklch(63.1% 0.112 21.4)
-
Step 600
600 (this color)
#AD5151
oklch(55% 0.121 21.8)
-
Step 700
700
#964343
oklch(49.1% 0.112 22.1)
-
Step 800
800
#7A3737
oklch(42.6% 0.094 21.8)
-
Step 900
900
#633130
oklch(37.9% 0.072 22.3)
-
Step 950
950
#3A1D1C
oklch(27% 0.046 22.6)
#AD5151 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) | #666150 | 0.129 |
| Deuteranopia (no green cones) | #7D754F | 0.121 |
| Tritanopia (no blue cones) | #BC4352 | 0.037 |
| Achromatopsia (no color) | #6D6D6D | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AD5151
#AD5151
oklch(55% 0.121 21.8)
- #008189
#008189
oklch(54.9% 0.093 202.5)
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 #AD5151, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Red #B9484E ΔE 0.026
- Dark Rose #B5485D ΔE 0.032
- Light Maroon #A24857 ΔE 0.035
- Dull Red #BB3F3F ΔE 0.040
- Light Burgundy #A8415B ΔE 0.045
- Sienna #A0522D ΔE 0.053
- Deep Rose #C74767 ΔE 0.062
- Earth #A2653E ΔE 0.064
Use #AD5151 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.