#A42278
Closest named color: Red Violet (#9E0168). oklch(49.5% 0.184 345.6), rgb(164, 34, 120).
Aa
White text reads best on this color (6.82:1).
About this color
#A42278 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.184 and its hue 346°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.036 away. White text reads best on it, at 6.82:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.184) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 3.07:1 |
| White text | 6.82:1 |
Values
| HEX | #A42278 |
| RGB | rgb(164, 34, 120) |
| HSL | hsl(320, 66%, 39%) |
| OKLCH | oklch(49.5% 0.184 345.6) |
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 #A42278 | 6.82:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #A42278 | 3.07:1 | AA large text | Lc 21.9 | Dividers and decoration only |
| #A42278 text on white | 6.82:1 | AA | Lc 82.2 | Fine for body text |
| #A42278 text on black | 3.07:1 | AA large text | Lc -19.7 | 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
#FCF2F7
oklch(97% 0.013 345.5)
-
Step 100
100
#F8E3EE
oklch(93.6% 0.027 344.6)
-
Step 200
200
#F2CDE0
oklch(88.5% 0.048 345.8)
-
Step 300
300
#EBAACD
oklch(80.9% 0.088 345.7)
-
Step 400
400
#DE79B4
oklch(70.6% 0.143 345.3)
-
Step 500
500
#D252A1
oklch(63% 0.182 345.6)
-
Step 600
600
#BD308C
oklch(55.6% 0.198 345.5)
-
Step 700
700 (this color)
#A42278
oklch(49.5% 0.184 345.6)
-
Step 800
800
#841E61
oklch(42.6% 0.153 345.3)
-
Step 900
900
#6B204F
oklch(37.7% 0.119 345.8)
-
Step 950
950
#3F142E
oklch(27% 0.076 346.1)
#A42278 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) | #344D7A | 0.207 |
| Deuteranopia (no green cones) | #5C6375 | 0.180 |
| Tritanopia (no blue cones) | #AF1F4B | 0.076 |
| Achromatopsia (no color) | #5B5B5B | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A42278
#A42278
oklch(49.5% 0.184 345.6)
- #007453
#007453
oklch(49.5% 0.104 165.1)
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 #A42278, closest first.
No curated palette has a color within ΔE 0.04 of #A42278.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.036
- Deep Magenta #A0025C ΔE 0.047
- Warm Purple #952E8F ΔE 0.048
- Dark Fuchsia #9D0759 ΔE 0.052
- Violet Red #A50055 ΔE 0.055
- Medium Violet Red #C71585 ΔE 0.071
- Light Eggplant #894585 ΔE 0.072
- Berry #990F4B ΔE 0.073
Use #A42278 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.