#B01D66
Closest named color: Violet Red (#A50055). oklch(50.5% 0.188 357.1), rgb(176, 29, 102).
Aa
White text reads best on this color (6.53:1).
About this color
#B01D66 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.188 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.039 away. White text reads best on it, at 6.53:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.188) |
| Temperature | warm |
| Nearest name | Violet Red (#A50055) |
| Black text | 3.21:1 |
| White text | 6.53:1 |
Values
| HEX | #B01D66 |
| RGB | rgb(176, 29, 102) |
| HSL | hsl(330, 72%, 40%) |
| OKLCH | oklch(50.5% 0.188 357.1) |
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 #B01D66 | 6.53:1 | AA | Lc -85.9 | Fine for body text |
| Black text on #B01D66 | 3.21:1 | AA large text | Lc 23.3 | Dividers and decoration only |
| #B01D66 text on white | 6.53:1 | AA | Lc 80.8 | Fine for body text |
| #B01D66 text on black | 3.21:1 | AA large text | Lc -21.1 | 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
#FAE3EA
oklch(93.6% 0.027 357.2)
-
Step 200
200
#F6CCD9
oklch(88.5% 0.05 357.6)
-
Step 300
300
#F1A8C1
oklch(80.8% 0.091 357.1)
-
Step 400
400
#E677A2
oklch(70.7% 0.145 356.9)
-
Step 500
500
#DC4D8B
oklch(63.2% 0.187 357.1)
-
Step 600
600
#C72775
oklch(55.7% 0.202 357)
-
Step 700
700 (this color)
#B01D66
oklch(50.5% 0.188 357.1)
-
Step 800
800
#8B1850
oklch(42.7% 0.155 357.1)
-
Step 900
900
#701D42
oklch(37.7% 0.121 357.4)
-
Step 950
950
#421327
oklch(27.1% 0.076 357.1)
#B01D66 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) | #404C68 | 0.213 |
| Deuteranopia (no green cones) | #686763 | 0.189 |
| Tritanopia (no blue cones) | #BF0040 | 0.062 |
| Achromatopsia (no color) | #5D5D5D | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B01D66
#B01D66
oklch(50.5% 0.188 357.1)
- #007664
#007664
oklch(50.6% 0.094 177.1)
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 #B01D66, closest first.
No curated palette has a color within ΔE 0.04 of #B01D66.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Red #A50055 ΔE 0.039
- Raspberry #B00149 ΔE 0.043
- Deep Magenta #A0025C ΔE 0.044
- Dark Fuchsia #9D0759 ΔE 0.049
- Red Violet #9E0168 ΔE 0.050
- Light Burgundy #A8415B ΔE 0.061
- Berry #990F4B ΔE 0.064
- Medium Violet Red #C71585 ΔE 0.065
Use #B01D66 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.