#A42C73
Closest named color: Red Violet (#9E0168). oklch(50.1% 0.17 348.7), rgb(164, 44, 115).
Aa
White text reads best on this color (6.59:1).
About this color
#A42C73 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.170 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.045 away. White text reads best on it, at 6.59:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.170) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 3.18:1 |
| White text | 6.59:1 |
Values
| HEX | #A42C73 |
| RGB | rgb(164, 44, 115) |
| HSL | hsl(325, 58%, 41%) |
| OKLCH | oklch(50.1% 0.17 348.7) |
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 #A42C73 | 6.59:1 | AA | Lc -86.6 | Fine for body text |
| Black text on #A42C73 | 3.18:1 | AA large text | Lc 22.5 | Dividers and decoration only |
| #A42C73 text on white | 6.59:1 | AA | Lc 81.5 | Fine for body text |
| #A42C73 text on black | 3.18:1 | AA large text | Lc -20.4 | 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
#FCF3F7
oklch(97.2% 0.011 348.4)
-
Step 100
100
#F7E4EC
oklch(93.6% 0.023 350.1)
-
Step 200
200
#F2CDDE
oklch(88.5% 0.047 348.7)
-
Step 300
300
#EAABC9
oklch(80.9% 0.083 349)
-
Step 400
400
#DC7CAE
oklch(70.6% 0.132 348.5)
-
Step 500
500
#D0579A
oklch(63.1% 0.169 348.7)
-
Step 600
600
#BB3885
oklch(55.7% 0.183 348.5)
-
Step 700
700 (this color)
#A42C73
oklch(50.1% 0.17 348.7)
-
Step 800
800
#83245B
oklch(42.8% 0.141 349.1)
-
Step 900
900
#69244B
oklch(37.7% 0.109 348.6)
-
Step 950
950
#3E162C
oklch(27% 0.069 348.6)
#A42C73 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) | #3E5075 | 0.189 |
| Deuteranopia (no green cones) | #616570 | 0.168 |
| Tritanopia (no blue cones) | #B0264B | 0.067 |
| Achromatopsia (no color) | #5D5D5D | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A42C73
#A42C73
oklch(50.1% 0.17 348.7)
- #007559
#007559
oklch(50% 0.1 168.8)
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 #A42C73, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.045
- Deep Magenta #A0025C ΔE 0.049
- Dark Fuchsia #9D0759 ΔE 0.052
- Violet Red #A50055 ΔE 0.053
- Warm Purple #952E8F ΔE 0.057
- Light Burgundy #A8415B ΔE 0.064
- Light Eggplant #894585 ΔE 0.066
- Raspberry #B00149 ΔE 0.068
Use #A42C73 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.