#B151A9
Closest named color: Pinky Purple (#C94CBE). oklch(58.7% 0.165 330.7), rgb(177, 81, 169).
Aa
Black text reads best on this color (4.61:1).
About this color
#B151A9 is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.165 and its hue 331°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pinky Purple (#C94CBE), ΔE 0.054 away. Black text reads best on it, at 4.61:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Pinky Purple (#C94CBE) |
| Black text | 4.61:1 |
| White text | 4.54:1 |
Values
| HEX | #B151A9 |
| RGB | rgb(177, 81, 169) |
| HSL | hsl(305, 38%, 51%) |
| OKLCH | oklch(58.7% 0.165 330.7) |
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 #B151A9 | 4.54:1 | AA | Lc -76.5 | Fine for body text |
| Black text on #B151A9 | 4.61:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #B151A9 text on white | 4.54:1 | AA | Lc 71.0 | Content text, not long reading |
| #B151A9 text on black | 4.61:1 | AA | Lc -30.6 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#FAF3F9
oklch(97.1% 0.011 330.1)
-
Step 100
100
#F3E5F1
oklch(93.6% 0.022 330.3)
-
Step 200
200
#EAD0E6
oklch(88.6% 0.041 331)
-
Step 300
300
#DDB0D7
oklch(81% 0.073 330.7)
-
Step 400
400
#CB84C3
oklch(70.7% 0.12 330.8)
-
Step 500
500
#BC63B4
oklch(63.1% 0.153 330.6)
-
Step 600
600 (this color)
#B151A9
oklch(58.7% 0.165 330.7)
-
Step 700
700
#8F3888
oklch(49.1% 0.154 330.9)
-
Step 800
800
#742F6F
oklch(42.6% 0.128 330.4)
-
Step 900
900
#5E2B5A
oklch(37.7% 0.099 330.3)
-
Step 950
950
#371A35
oklch(27% 0.063 329.7)
#B151A9 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) | #4C6DAC | 0.167 |
| Deuteranopia (no green cones) | #697BA6 | 0.148 |
| Tritanopia (no blue cones) | #B75976 | 0.088 |
| Achromatopsia (no color) | #767676 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B151A9
#B151A9
oklch(58.7% 0.165 330.7)
- #009546
#009546
oklch(58.6% 0.159 150.7)
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 #B151A9, closest first.
No curated palette has a color within ΔE 0.04 of #B151A9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pinky Purple #C94CBE ΔE 0.054
- Amethyst #9B5FC0 ΔE 0.056
- Purpley Pink #C83CB9 ΔE 0.058
- Medium Orchid #BA55D3 ΔE 0.065
- Soft Purple #A66FB5 ΔE 0.067
- Purply #983FB2 ΔE 0.068
- Deep Lavender #8D5EB7 ΔE 0.070
- Dark Lilac #9C6DA5 ΔE 0.072
Use #B151A9 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.