#A42F77
Closest named color: Red Violet (#9E0168). oklch(50.5% 0.169 347), rgb(164, 47, 119).
Aa
White text reads best on this color (6.45:1).
About this color
#A42F77 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.169 and its hue 347°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.050 away. White text reads best on it, at 6.45:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.169) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 3.25:1 |
| White text | 6.45:1 |
Values
| HEX | #A42F77 |
| RGB | rgb(164, 47, 119) |
| HSL | hsl(323, 55%, 41%) |
| OKLCH | oklch(50.5% 0.169 347) |
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 #A42F77 | 6.45:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #A42F77 | 3.25:1 | AA large text | Lc 23.0 | Dividers and decoration only |
| #A42F77 text on white | 6.45:1 | AA | Lc 81.0 | Fine for body text |
| #A42F77 text on black | 3.25:1 | AA large text | Lc -20.8 | 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
#FBF3F7
oklch(97.1% 0.01 345.4)
-
Step 100
100
#F7E4ED
oklch(93.7% 0.024 347.2)
-
Step 200
200
#F1CEDF
oklch(88.6% 0.045 347.2)
-
Step 300
300
#E9ACCB
oklch(81% 0.081 347.2)
-
Step 400
400
#DB7DB0
oklch(70.7% 0.131 347.2)
-
Step 500
500
#CE589D
oklch(63% 0.168 346.8)
-
Step 600
600
#B93987
oklch(55.5% 0.181 347.1)
-
Step 700
700 (this color)
#A42F77
oklch(50.5% 0.169 347)
-
Step 800
800
#81255D
oklch(42.6% 0.139 347.2)
-
Step 900
900
#68244D
oklch(37.6% 0.109 346.4)
-
Step 950
950
#3D162D
oklch(26.9% 0.069 346.3)
#A42F77 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) | #3E5179 | 0.187 |
| Deuteranopia (no green cones) | #616674 | 0.165 |
| Tritanopia (no blue cones) | #AF2B4F | 0.067 |
| Achromatopsia (no color) | #5E5E5E | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A42F77
#A42F77
oklch(50.5% 0.169 347)
- #007758
#007758
oklch(50.5% 0.104 167)
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 #A42F77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.050
- Warm Purple #952E8F ΔE 0.052
- Deep Magenta #A0025C ΔE 0.055
- Dark Fuchsia #9D0759 ΔE 0.059
- Violet Red #A50055 ΔE 0.060
- Light Eggplant #894585 ΔE 0.063
- Light Burgundy #A8415B ΔE 0.065
- Medium Violet Red #C71585 ΔE 0.072
Use #A42F77 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.