#AA1864
Closest named color: Violet Red (#A50055). oklch(49.1% 0.187 356), rgb(170, 24, 100).
Aa
White text reads best on this color (6.94:1).
About this color
#AA1864 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.187 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.028 away. White text reads best on it, at 6.94:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.187) |
| Temperature | warm |
| Nearest name | Violet Red (#A50055) |
| Black text | 3.02:1 |
| White text | 6.94:1 |
Values
| HEX | #AA1864 |
| RGB | rgb(170, 24, 100) |
| HSL | hsl(329, 75%, 38%) |
| OKLCH | oklch(49.1% 0.187 356) |
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 #AA1864 | 6.94:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #AA1864 | 3.02:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #AA1864 text on white | 6.94:1 | AA | Lc 82.3 | Fine for body text |
| #AA1864 text on black | 3.02:1 | AA large text | Lc -19.6 | 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
#FDF2F6
oklch(97.1% 0.013 353.1)
-
Step 100
100
#F9E3EA
oklch(93.6% 0.026 356.3)
-
Step 200
200
#F6CCDA
oklch(88.5% 0.051 356.2)
-
Step 300
300
#F0A8C2
oklch(80.8% 0.09 355.9)
-
Step 400
400
#E577A3
oklch(70.6% 0.144 356.1)
-
Step 500
500
#DA4E8D
oklch(63% 0.184 355.9)
-
Step 600
600
#C52977
oklch(55.5% 0.2 355.9)
-
Step 700
700 (this color)
#AA1864
oklch(49.1% 0.187 356)
-
Step 800
800
#8A1952
oklch(42.7% 0.155 355.7)
-
Step 900
900
#6F1D44
oklch(37.6% 0.121 355.5)
-
Step 950
950
#421328
oklch(27.1% 0.077 355.8)
#AA1864 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) | #3C4966 | 0.211 |
| Deuteranopia (no green cones) | #646361 | 0.187 |
| Tritanopia (no blue cones) | #B8003D | 0.064 |
| Achromatopsia (no color) | #5A5A5A | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA1864
#AA1864
oklch(49.1% 0.187 356)
- #00715F
#00715F
oklch(49% 0.091 176.5)
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 #AA1864, closest first.
No curated palette has a color within ΔE 0.04 of #AA1864.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Red #A50055 ΔE 0.028
- Deep Magenta #A0025C ΔE 0.030
- Dark Fuchsia #9D0759 ΔE 0.035
- Red Violet #9E0168 ΔE 0.036
- Raspberry #B00149 ΔE 0.042
- Berry #990F4B ΔE 0.052
- Purple Red #990147 ΔE 0.058
- Mulberry #920A4E ΔE 0.062
Use #AA1864 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.