#A40E51
Closest named color: Violet Red (#A50055). oklch(46.9% 0.182 2.8), rgb(164, 14, 81).
Aa
White text reads best on this color (7.60:1).
About this color
#A40E51 is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.182 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.011 away. White text reads best on it, at 7.60:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.182) |
| Temperature | warm |
| Nearest name | Violet Red (#A50055) |
| Black text | 2.76:1 |
| White text | 7.60:1 |
Values
| HEX | #A40E51 |
| RGB | rgb(164, 14, 81) |
| HSL | hsl(333, 84%, 35%) |
| OKLCH | oklch(46.9% 0.182 2.8) |
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 #A40E51 | 7.60:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #A40E51 | 2.76:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #A40E51 text on white | 7.60:1 | AAA | Lc 84.5 | Fine for body text |
| #A40E51 text on black | 2.76:1 | Fails | Lc -17.5 | 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
#FAE3E8
oklch(93.6% 0.026 2.8)
-
Step 200
200
#F6CCD6
oklch(88.4% 0.049 2.2)
-
Step 300
300
#F1A9BB
oklch(80.8% 0.087 2.8)
-
Step 400
400
#E77898
oklch(70.7% 0.141 3)
-
Step 500
500
#DC4F7F
oklch(63% 0.18 2.8)
-
Step 600
600
#C72B69
oklch(55.6% 0.195 2.6)
-
Step 700
700 (this color)
#A40E51
oklch(46.9% 0.182 2.8)
-
Step 800
800
#8B1B47
oklch(42.6% 0.15 2.9)
-
Step 900
900
#701E3C
oklch(37.6% 0.117 2.4)
-
Step 950
950
#421323
oklch(26.9% 0.075 2.4)
#A40E51 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) | #3B4252 | 0.207 |
| Deuteranopia (no green cones) | #625E4E | 0.185 |
| Tritanopia (no blue cones) | #B30030 | 0.057 |
| Achromatopsia (no color) | #545454 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A40E51
#A40E51
oklch(46.9% 0.182 2.8)
- #00695F
#00695F
oklch(46.8% 0.083 183.6)
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 #A40E51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Red #A50055 ΔE 0.011
- Dark Fuchsia #9D0759 ΔE 0.023
- Deep Magenta #A0025C ΔE 0.025
- Berry #990F4B ΔE 0.025
- Raspberry #B00149 ΔE 0.028
- Purple Red #990147 ΔE 0.029
- Cranberry #9E003A ΔE 0.036
- Mulberry #920A4E ΔE 0.040
Use #A40E51 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.