#A42C74
Closest named color: Red Violet (#9E0168). oklch(50.1% 0.171 348.2), rgb(164, 44, 116).
Aa
White text reads best on this color (6.58:1).
About this color
#A42C74 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.171 and its hue 348°. 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 6.58:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.171) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 3.19:1 |
| White text | 6.58:1 |
Values
| HEX | #A42C74 |
| RGB | rgb(164, 44, 116) |
| HSL | hsl(324, 58%, 41%) |
| OKLCH | oklch(50.1% 0.171 348.2) |
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 #A42C74 | 6.58:1 | AA | Lc -86.6 | Fine for body text |
| Black text on #A42C74 | 3.19:1 | AA large text | Lc 22.6 | Dividers and decoration only |
| #A42C74 text on white | 6.58:1 | AA | Lc 81.5 | Fine for body text |
| #A42C74 text on black | 3.19:1 | 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
#F7E4ED
oklch(93.7% 0.024 347.2)
-
Step 200
200
#F2CDDE
oklch(88.5% 0.047 348.7)
-
Step 300
300
#EAABCA
oklch(80.9% 0.084 348.1)
-
Step 400
400
#DC7CAF
oklch(70.6% 0.133 347.9)
-
Step 500
500
#D0579B
oklch(63.1% 0.17 348.2)
-
Step 600
600
#BB3885
oklch(55.7% 0.183 348.5)
-
Step 700
700 (this color)
#A42C74
oklch(50.1% 0.171 348.2)
-
Step 800
800
#82245C
oklch(42.6% 0.141 348.1)
-
Step 900
900
#69234B
oklch(37.6% 0.11 348.4)
-
Step 950
950
#3E162C
oklch(27% 0.069 348.6)
#A42C74 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) | #3D5076 | 0.191 |
| Deuteranopia (no green cones) | #606571 | 0.169 |
| Tritanopia (no blue cones) | #B0274C | 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°).
- #A42C74
#A42C74
oklch(50.1% 0.171 348.2)
- #007659
#007659
oklch(50.3% 0.101 168.3)
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 #A42C74, 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 0.050
- Dark Fuchsia #9D0759 ΔE 0.053
- Violet Red #A50055 ΔE 0.054
- Warm Purple #952E8F ΔE 0.055
- Light Burgundy #A8415B ΔE 0.065
- Light Eggplant #894585 ΔE 0.066
- Raspberry #B00149 ΔE 0.070
Use #A42C74 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.