#B90371
Closest named color: Medium Violet Red (#C71585). oklch(51.5% 0.211 353.4), rgb(185, 3, 113).
Aa
White text reads best on this color (6.33:1).
About this color
#B90371 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.211 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.042 away. White text reads best on it, at 6.33:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.211) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.31:1 |
| White text | 6.33:1 |
Values
| HEX | #B90371 |
| RGB | rgb(185, 3, 113) |
| HSL | hsl(324, 97%, 37%) |
| OKLCH | oklch(51.5% 0.211 353.4) |
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 #B90371 | 6.33:1 | AA | Lc -84.4 | Fine for body text |
| Black text on #B90371 | 3.31:1 | AA large text | Lc 24.9 | Dividers and decoration only |
| #B90371 text on white | 6.33:1 | AA | Lc 79.1 | Fine for body text |
| #B90371 text on black | 3.31:1 | AA large text | Lc -22.7 | 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
#FEF2F6
oklch(97.2% 0.014 355)
-
Step 100
100
#FBE2EB
oklch(93.6% 0.03 353.9)
-
Step 200
200
#F9CADC
oklch(88.5% 0.058 353.4)
-
Step 300
300
#F5A5C6
oklch(80.9% 0.103 353.2)
-
Step 400
400
#EC70A9
oklch(70.8% 0.164 353.3)
-
Step 500
500
#E14193
oklch(63% 0.209 353.4)
-
Step 600
600
#CD067E
oklch(55.7% 0.228 353.4)
-
Step 700
700 (this color)
#B90371
oklch(51.5% 0.211 353.4)
-
Step 800
800
#8F0256
oklch(42.6% 0.175 353.5)
-
Step 900
900
#731447
oklch(37.6% 0.136 353.4)
-
Step 950
950
#440F2A
oklch(27% 0.086 353.1)
#B90371 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) | #394C73 | 0.242 |
| Deuteranopia (no green cones) | #696A6D | 0.211 |
| Tritanopia (no blue cones) | #C80041 | 0.082 |
| Achromatopsia (no color) | #606060 | 0.213 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B90371
#B90371
oklch(51.5% 0.211 353.4)
- #007A63
#007A63
oklch(51.7% 0.099 173.4)
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 #B90371, closest first.
No curated palette has a color within ΔE 0.04 of #B90371.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.042
- Violet Red #A50055 ΔE 0.058
- Red Violet #9E0168 ΔE 0.059
- Deep Magenta #A0025C ΔE 0.060
- Raspberry #B00149 ΔE 0.063
- Dark Fuchsia #9D0759 ΔE 0.067
- Dark Hot Pink #D90166 ΔE 0.072
- Ruby #CA0147 ΔE 0.077
Use #B90371 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.