#AD3766
Closest named color: Light Burgundy (#A8415B). oklch(52.2% 0.158 359.8), rgb(173, 55, 102).
Aa
White text reads best on this color (5.97:1).
About this color
#AD3766 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.158 and its hue 360°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.029 away. White text reads best on it, at 5.97:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.158) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.51:1 |
| White text | 5.97:1 |
Values
| HEX | #AD3766 |
| RGB | rgb(173, 55, 102) |
| HSL | hsl(336, 52%, 45%) |
| OKLCH | oklch(52.2% 0.158 359.8) |
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 #AD3766 | 5.97:1 | AA | Lc -84.2 | Fine for body text |
| Black text on #AD3766 | 3.51:1 | AA large text | Lc 25.1 | Dividers and decoration only |
| #AD3766 text on white | 5.97:1 | AA | Lc 78.9 | Fine for body text |
| #AD3766 text on black | 3.51:1 | AA large text | Lc -22.9 | 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
#FCF3F5
oklch(97.2% 0.01 2)
-
Step 100
100
#F7E4E9
oklch(93.5% 0.022 359.7)
-
Step 200
200
#F2CED8
oklch(88.5% 0.042 359.4)
-
Step 300
300
#EBACBF
oklch(80.9% 0.077 359.2)
-
Step 400
400
#DE7E9E
oklch(70.6% 0.124 359.4)
-
Step 500
500
#D25A86
oklch(63.1% 0.157 359.7)
-
Step 600
600
#BD3C70
oklch(55.6% 0.17 359.6)
-
Step 700
700 (this color)
#AD3766
oklch(52.2% 0.158 359.8)
-
Step 800
800
#84274C
oklch(42.7% 0.131 360)
-
Step 900
900
#6B2540
oklch(37.7% 0.104 359.4)
-
Step 950
950
#3F1725
oklch(27.1% 0.065 0.4)
#AD3766 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) | #4E5567 | 0.177 |
| Deuteranopia (no green cones) | #6E6C63 | 0.161 |
| Tritanopia (no blue cones) | #BB294A | 0.047 |
| Achromatopsia (no color) | #636363 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AD3766
#AD3766
oklch(52.2% 0.158 359.8)
- #007B6B
#007B6B
oklch(52.2% 0.095 179.5)
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 #AD3766, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.029
- Dark Rose #B5485D ΔE 0.046
- Light Maroon #A24857 ΔE 0.048
- Raspberry #B00149 ΔE 0.057
- Violet Red #A50055 ΔE 0.063
- Dusty Red #B9484E ΔE 0.064
- Deep Rose #C74767 ΔE 0.065
- Dark Pink #CB416B ΔE 0.066
Use #AD3766 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.