#B51E6E
Closest named color: Medium Violet Red (#C71585). oklch(51.7% 0.194 354.8), rgb(181, 30, 110).
Aa
White text reads best on this color (6.22:1).
About this color
#B51E6E is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.194 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.049 away. White text reads best on it, at 6.22:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.194) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.37:1 |
| White text | 6.22:1 |
Values
| HEX | #B51E6E |
| RGB | rgb(181, 30, 110) |
| HSL | hsl(328, 72%, 41%) |
| OKLCH | oklch(51.7% 0.194 354.8) |
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 #B51E6E | 6.22:1 | AA | Lc -84.6 | Fine for body text |
| Black text on #B51E6E | 3.37:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #B51E6E text on white | 6.22:1 | AA | Lc 79.4 | Fine for body text |
| #B51E6E text on black | 3.37:1 | AA large text | Lc -22.4 | 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
#FAE3EB
oklch(93.7% 0.027 354.5)
-
Step 200
200
#F6CCDB
oklch(88.5% 0.051 354.7)
-
Step 300
300
#F2A7C4
oklch(80.9% 0.095 354.6)
-
Step 400
400
#E775A6
oklch(70.7% 0.15 354.5)
-
Step 500
500
#DC4A90
oklch(63% 0.192 354.5)
-
Step 600
600
#C7227A
oklch(55.5% 0.208 354.6)
-
Step 700
700 (this color)
#B51E6E
oklch(51.7% 0.194 354.8)
-
Step 800
800
#8C1454
oklch(42.8% 0.161 354.7)
-
Step 900
900
#701B45
oklch(37.6% 0.125 354.7)
-
Step 950
950
#421228
oklch(27% 0.078 355.3)
#B51E6E 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) | #414F70 | 0.219 |
| Deuteranopia (no green cones) | #6A6A6B | 0.194 |
| Tritanopia (no blue cones) | #C40044 | 0.068 |
| Achromatopsia (no color) | #616161 | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B51E6E
#B51E6E
oklch(51.7% 0.194 354.8)
- #007A65
#007A65
oklch(51.7% 0.097 175.1)
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 #B51E6E, closest first.
No curated palette has a color within ΔE 0.04 of #B51E6E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.049
- Violet Red #A50055 ΔE 0.053
- Raspberry #B00149 ΔE 0.056
- Deep Magenta #A0025C ΔE 0.057
- Red Violet #9E0168 ΔE 0.058
- Dark Fuchsia #9D0759 ΔE 0.063
- Light Burgundy #A8415B ΔE 0.068
- Ruby #CA0147 ΔE 0.071
Use #B51E6E 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.