#A40957
Closest named color: Violet Red (#A50055). oklch(46.9% 0.186 359.6), rgb(164, 9, 87).
Aa
White text reads best on this color (7.62:1).
About this color
#A40957 is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.186 and its hue 360°. 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 7.62:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.186) |
| Temperature | warm |
| Nearest name | Violet Red (#A50055) |
| Black text | 2.75:1 |
| White text | 7.62:1 |
Values
| HEX | #A40957 |
| RGB | rgb(164, 9, 87) |
| HSL | hsl(330, 90%, 34%) |
| OKLCH | oklch(46.9% 0.186 359.6) |
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 #A40957 | 7.62:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #A40957 | 2.75:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #A40957 text on white | 7.62:1 | AAA | Lc 84.4 | Fine for body text |
| #A40957 text on black | 2.75:1 | 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
#F1A9BF
oklch(81% 0.089 359.3)
-
Step 400
400
#E7779E
oklch(70.7% 0.144 359.3)
-
Step 500
500
#DC4E86
oklch(63.1% 0.183 359.5)
-
Step 600
600
#C7286F
oklch(55.5% 0.2 359.7)
-
Step 700
700 (this color)
#A40957
oklch(46.9% 0.186 359.6)
-
Step 800
800
#8B194C
oklch(42.6% 0.153 359.6)
-
Step 900
900
#701D3F
oklch(37.6% 0.12 359.7)
-
Step 950
950
#421325
oklch(27% 0.075 359.7)
#A40957 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) | #384258 | 0.212 |
| Deuteranopia (no green cones) | #605D54 | 0.187 |
| Tritanopia (no blue cones) | #B30033 | 0.063 |
| Achromatopsia (no color) | #545454 | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A40957
#A40957
oklch(46.9% 0.186 359.6)
- #006A5C
#006A5C
oklch(47% 0.085 179.5)
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 #A40957, closest first.
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 0.015
- Dark Fuchsia #9D0759 ΔE 0.017
- Berry #990F4B ΔE 0.029
- Purple Red #990147 ΔE 0.033
- Raspberry #B00149 ΔE 0.034
- Red Violet #9E0168 ΔE 0.034
- Mulberry #920A4E ΔE 0.040
Use #A40957 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.