#AA1B5C
Closest named color: Violet Red (#A50055). oklch(49% 0.181 0), rgb(170, 27, 92).
Aa
White text reads best on this color (6.95:1).
About this color
#AA1B5C is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.181 and its hue 0°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.024 away. White text reads best on it, at 6.95:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.181) |
| Temperature | warm |
| Nearest name | Violet Red (#A50055) |
| Black text | 3.02:1 |
| White text | 6.95:1 |
Values
| HEX | #AA1B5C |
| RGB | rgb(170, 27, 92) |
| HSL | hsl(333, 73%, 39%) |
| OKLCH | oklch(49% 0.181 0) |
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 #AA1B5C | 6.95:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #AA1B5C | 3.02:1 | AA large text | Lc 21.6 | Dividers and decoration only |
| #AA1B5C text on white | 6.95:1 | AA | Lc 82.4 | Fine for body text |
| #AA1B5C text on black | 3.02:1 | AA large text | Lc -19.5 | 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 700.
-
Step 50
50
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#F9E3E9
oklch(93.5% 0.025 359.2)
-
Step 200
200
#F6CCD8
oklch(88.5% 0.05 359.1)
-
Step 300
300
#F1A9BE
oklch(80.9% 0.088 0.2)
-
Step 400
400
#E6789D
oklch(70.7% 0.141 360)
-
Step 500
500
#DB5085
oklch(63.2% 0.18 0.1)
-
Step 600
600
#C62C6F
oklch(55.6% 0.195 359.9)
-
Step 700
700 (this color)
#AA1B5C
oklch(49% 0.181 0)
-
Step 800
800
#8A1B4C
oklch(42.6% 0.15 359.5)
-
Step 900
900
#6F1F3F
oklch(37.7% 0.116 359.9)
-
Step 950
950
#421425
oklch(27.1% 0.074 0.3)
#AA1B5C 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) | #40485D | 0.205 |
| Deuteranopia (no green cones) | #666359 | 0.183 |
| Tritanopia (no blue cones) | #B9003A | 0.056 |
| Achromatopsia (no color) | #595959 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA1B5C
#AA1B5C
oklch(49% 0.181 0)
- #007062
#007062
oklch(48.9% 0.089 180.2)
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 #AA1B5C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Red #A50055 ΔE 0.024
- Raspberry #B00149 ΔE 0.030
- Deep Magenta #A0025C ΔE 0.032
- Dark Fuchsia #9D0759 ΔE 0.036
- Red Violet #9E0168 ΔE 0.045
- Berry #990F4B ΔE 0.045
- Rouge #AB1239 ΔE 0.051
- Purple Red #990147 ΔE 0.051
Use #AA1B5C 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.