#B40A73
Closest named color: Medium Violet Red (#C71585). oklch(50.9% 0.207 351.5), rgb(180, 10, 115).
Aa
White text reads best on this color (6.49:1).
About this color
#B40A73 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.207 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.047 away. White text reads best on it, at 6.49:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.207) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.23:1 |
| White text | 6.49:1 |
Values
| HEX | #B40A73 |
| RGB | rgb(180, 10, 115) |
| HSL | hsl(323, 89%, 37%) |
| OKLCH | oklch(50.9% 0.207 351.5) |
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 #B40A73 | 6.49:1 | AA | Lc -85.3 | Fine for body text |
| Black text on #B40A73 | 3.23:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #B40A73 text on white | 6.49:1 | AA | Lc 80.1 | Fine for body text |
| #B40A73 text on black | 3.23:1 | AA large text | Lc -21.8 | 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
#FDF2F6
oklch(97.1% 0.013 353.1)
-
Step 100
100
#FAE2EC
oklch(93.5% 0.029 350.5)
-
Step 200
200
#F7CBDD
oklch(88.5% 0.055 351.8)
-
Step 300
300
#F3A6C8
oklch(80.9% 0.1 351.5)
-
Step 400
400
#E972AC
oklch(70.7% 0.16 351.4)
-
Step 500
500
#DE4497
oklch(63% 0.205 351.5)
-
Step 600
600
#CA1482
oklch(55.7% 0.223 351.5)
-
Step 700
700 (this color)
#B40A73
oklch(50.9% 0.207 351.5)
-
Step 800
800
#8D0959
oklch(42.7% 0.171 351.6)
-
Step 900
900
#72174A
oklch(37.8% 0.134 351.3)
-
Step 950
950
#43102B
oklch(27% 0.084 351.6)
#B40A73 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) | #374C75 | 0.236 |
| Deuteranopia (no green cones) | #656870 | 0.206 |
| Tritanopia (no blue cones) | #C20043 | 0.081 |
| Achromatopsia (no color) | #5E5E5E | 0.209 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B40A73
#B40A73
oklch(50.9% 0.207 351.5)
- #00785F
#00785F
oklch(51% 0.099 171.6)
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 #B40A73, closest first.
No curated palette has a color within ΔE 0.04 of #B40A73.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.047
- Red Violet #9E0168 ΔE 0.050
- Deep Magenta #A0025C ΔE 0.054
- Violet Red #A50055 ΔE 0.055
- Dark Fuchsia #9D0759 ΔE 0.061
- Raspberry #B00149 ΔE 0.065
- Warm Purple #952E8F ΔE 0.078
- Berry #990F4B ΔE 0.081
Use #B40A73 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.