#AA1758
Closest named color: Violet Red (#A50055). oklch(48.6% 0.183 1.6), rgb(170, 23, 88).
Aa
White text reads best on this color (7.06:1).
About this color
#AA1758 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.183 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.020 away. White text reads best on it, at 7.06:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.183) |
| Temperature | warm |
| Nearest name | Violet Red (#A50055) |
| Black text | 2.97:1 |
| White text | 7.06:1 |
Values
| HEX | #AA1758 |
| RGB | rgb(170, 23, 88) |
| HSL | hsl(333, 76%, 38%) |
| OKLCH | oklch(48.6% 0.183 1.6) |
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 #AA1758 | 7.06:1 | AAA | Lc -87.8 | Fine for body text |
| Black text on #AA1758 | 2.97:1 | Fails | Lc 21.3 | Dividers and decoration only |
| #AA1758 text on white | 7.06:1 | AAA | Lc 82.7 | Fine for body text |
| #AA1758 text on black | 2.97:1 | Fails | Lc -19.2 | 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
#FAE3E8
oklch(93.6% 0.026 2.8)
-
Step 200
200
#F6CCD7
oklch(88.4% 0.049 0.6)
-
Step 300
300
#F1A9BC
oklch(80.9% 0.088 1.9)
-
Step 400
400
#E7789A
oklch(70.8% 0.141 1.9)
-
Step 500
500
#DC4F82
oklch(63.1% 0.181 1.4)
-
Step 600
600
#C72A6B
oklch(55.5% 0.197 1.6)
-
Step 700
700 (this color)
#AA1758
oklch(48.6% 0.183 1.6)
-
Step 800
800
#8B1A49
oklch(42.6% 0.151 1.5)
-
Step 900
900
#701E3D
oklch(37.7% 0.118 1.6)
-
Step 950
950
#421324
oklch(26.9% 0.075 1.1)
#AA1758 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) | #3F4759 | 0.208 |
| Deuteranopia (no green cones) | #666255 | 0.185 |
| Tritanopia (no blue cones) | #B90036 | 0.056 |
| Achromatopsia (no color) | #585858 | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA1758
#AA1758
oklch(48.6% 0.183 1.6)
- #006F63
#006F63
oklch(48.6% 0.087 182)
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 #AA1758, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Red #A50055 ΔE 0.020
- Raspberry #B00149 ΔE 0.025
- Deep Magenta #A0025C ΔE 0.032
- Dark Fuchsia #9D0759 ΔE 0.034
- Berry #990F4B ΔE 0.042
- Rouge #AB1239 ΔE 0.045
- Purple Red #990147 ΔE 0.047
- Red Violet #9E0168 ΔE 0.047
Use #AA1758 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.