#A40D55
Closest named color: Violet Red (#A50055). oklch(47% 0.183 0.8), rgb(164, 13, 85).
Aa
White text reads best on this color (7.58:1).
About this color
#A40D55 is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.183 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.007 away. White text reads best on it, at 7.58:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.183) |
| Temperature | warm |
| Nearest name | Violet Red (#A50055) |
| Black text | 2.76:1 |
| White text | 7.58:1 |
Values
| HEX | #A40D55 |
| RGB | rgb(164, 13, 85) |
| HSL | hsl(331, 85%, 35%) |
| OKLCH | oklch(47% 0.183 0.8) |
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 #A40D55 | 7.58:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #A40D55 | 2.76:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #A40D55 text on white | 7.58:1 | AAA | Lc 84.4 | Fine for body text |
| #A40D55 text on black | 2.76:1 | 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
#F6CCD7
oklch(88.4% 0.049 0.6)
-
Step 300
300
#F1A9BD
oklch(80.9% 0.088 1.1)
-
Step 400
400
#E7789C
oklch(70.8% 0.142 0.7)
-
Step 500
500
#DC4F83
oklch(63.1% 0.181 1)
-
Step 600
600
#C72A6D
oklch(55.6% 0.197 0.7)
-
Step 700
700 (this color)
#A40D55
oklch(47% 0.183 0.8)
-
Step 800
800
#8B1A4A
oklch(42.6% 0.151 0.9)
-
Step 900
900
#701E3E
oklch(37.7% 0.118 0.8)
-
Step 950
950
#421324
oklch(26.9% 0.075 1.1)
#A40D55 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) | #3A4256 | 0.209 |
| Deuteranopia (no green cones) | #615E52 | 0.186 |
| Tritanopia (no blue cones) | #B30032 | 0.060 |
| Achromatopsia (no color) | #545454 | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A40D55
#A40D55
oklch(47% 0.183 0.8)
- #006A5D
#006A5D
oklch(47% 0.085 180.5)
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 #A40D55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Red #A50055 ΔE 0.007
- Deep Magenta #A0025C ΔE 0.019
- Dark Fuchsia #9D0759 ΔE 0.019
- Berry #990F4B ΔE 0.027
- Raspberry #B00149 ΔE 0.031
- Purple Red #990147 ΔE 0.032
- Red Violet #9E0168 ΔE 0.039
- Mulberry #920A4E ΔE 0.040
Use #A40D55 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.