#BB0166
Closest named color: Raspberry (#B00149). oklch(51.5% 0.209 358.4), rgb(187, 1, 102).
Aa
White text reads best on this color (6.34:1).
About this color
#BB0166 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.209 and its hue 358°. Its hue sits on the warm side of the wheel. The nearest named color is Raspberry (#B00149), ΔE 0.048 away. White text reads best on it, at 6.34:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.209) |
| Temperature | warm |
| Nearest name | Raspberry (#B00149) |
| Black text | 3.30:1 |
| White text | 6.34:1 |
Values
| HEX | #BB0166 |
| RGB | rgb(187, 1, 102) |
| HSL | hsl(327, 99%, 37%) |
| OKLCH | oklch(51.5% 0.209 358.4) |
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 #BB0166 | 6.34:1 | AA | Lc -84.3 | Fine for body text |
| Black text on #BB0166 | 3.30:1 | AA large text | Lc 25.0 | Dividers and decoration only |
| #BB0166 text on white | 6.34:1 | AA | Lc 79.1 | Fine for body text |
| #BB0166 text on black | 3.30:1 | 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
#FEF2F5
oklch(97.1% 0.013 0.3)
-
Step 100
100
#FBE2E9
oklch(93.5% 0.029 358.8)
-
Step 200
200
#FACAD9
oklch(88.5% 0.057 357.7)
-
Step 300
300
#F6A5C0
oklch(80.8% 0.101 358)
-
Step 400
400
#EE709F
oklch(70.7% 0.162 358.6)
-
Step 500
500
#E44188
oklch(63.1% 0.207 358.4)
-
Step 600
600
#CF0472
oklch(55.6% 0.225 358.3)
-
Step 700
700 (this color)
#BB0166
oklch(51.5% 0.209 358.4)
-
Step 800
800
#91014E
oklch(42.7% 0.173 358.3)
-
Step 900
900
#751441
oklch(37.8% 0.135 358.3)
-
Step 950
950
#450F26
oklch(27.1% 0.085 358.5)
#BB0166 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) | #3E4B68 | 0.240 |
| Deuteranopia (no green cones) | #6D6B62 | 0.212 |
| Tritanopia (no blue cones) | #CB003A | 0.075 |
| Achromatopsia (no color) | #5F5F5F | 0.211 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB0166
#BB0166
oklch(51.5% 0.209 358.4)
- #007968
#007968
oklch(51.6% 0.095 178.4)
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 #BB0166, closest first.
No curated palette has a color within ΔE 0.04 of #BB0166.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raspberry #B00149 ΔE 0.048
- Violet Red #A50055 ΔE 0.052
- Medium Violet Red #C71585 ΔE 0.052
- Deep Magenta #A0025C ΔE 0.058
- Ruby #CA0147 ΔE 0.059
- Rose Red #BE013C ΔE 0.063
- Dark Hot Pink #D90166 ΔE 0.063
- Red Violet #9E0168 ΔE 0.063
Use #BB0166 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.