#A40558
Closest named color: Violet Red (#A50055). oklch(46.8% 0.188 358.9), rgb(164, 5, 88).
Aa
White text reads best on this color (7.66:1).
About this color
#A40558 is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.188 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.005 away. White text reads best on it, at 7.66:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.188) |
| Temperature | warm |
| Nearest name | Violet Red (#A50055) |
| Black text | 2.74:1 |
| White text | 7.66:1 |
Values
| HEX | #A40558 |
| RGB | rgb(164, 5, 88) |
| HSL | hsl(329, 94%, 33%) |
| OKLCH | oklch(46.8% 0.188 358.9) |
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 #A40558 | 7.66:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #A40558 | 2.74:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #A40558 text on white | 7.66:1 | AAA | Lc 84.4 | Fine for body text |
| #A40558 text on black | 2.74:1 | Fails | Lc -17.6 | 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
#FAE3E9
oklch(93.6% 0.026 359.9)
-
Step 200
200
#F6CCD8
oklch(88.5% 0.05 359.1)
-
Step 300
300
#F2A8BF
oklch(80.9% 0.091 359.1)
-
Step 400
400
#E7769F
oklch(70.6% 0.146 358.5)
-
Step 500
500
#DC4D87
oklch(63% 0.185 358.9)
-
Step 600
600
#C82771
oklch(55.7% 0.202 358.9)
-
Step 700
700 (this color)
#A40558
oklch(46.8% 0.188 358.9)
-
Step 800
800
#8C174D
oklch(42.7% 0.156 359)
-
Step 900
900
#701D40
oklch(37.6% 0.12 359)
-
Step 950
950
#421326
oklch(27% 0.076 358.4)
#A40558 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) | #37415A | 0.214 |
| Deuteranopia (no green cones) | #5F5D55 | 0.190 |
| Tritanopia (no blue cones) | #B30032 | 0.067 |
| Achromatopsia (no color) | #535353 | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A40558
#A40558
oklch(46.8% 0.188 358.9)
- #006A5B
#006A5B
oklch(46.9% 0.086 178.5)
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 #A40558, closest first.
No curated palette has a color within ΔE 0.04 of #A40558.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Red #A50055 ΔE 0.005
- Deep Magenta #A0025C ΔE 0.012
- Dark Fuchsia #9D0759 ΔE 0.015
- Berry #990F4B ΔE 0.030
- Red Violet #9E0168 ΔE 0.032
- Purple Red #990147 ΔE 0.034
- Raspberry #B00149 ΔE 0.036
- Mulberry #920A4E ΔE 0.040
Use #A40558 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.