#B05CB3
Closest named color: Amethyst (#9B5FC0). oklch(60.6% 0.156 326), rgb(176, 92, 179).
Aa
Black text reads best on this color (5.02:1).
About this color
#B05CB3 is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.156 and its hue 326°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.042 away. Black text reads best on it, at 5.02:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.156) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 5.02:1 |
| White text | 4.17:1 |
Values
| HEX | #B05CB3 |
| RGB | rgb(176, 92, 179) |
| HSL | hsl(298, 36%, 53%) |
| OKLCH | oklch(60.6% 0.156 326) |
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 #B05CB3 | 4.17:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #B05CB3 | 5.02:1 | AA | Lc 35.7 | Non-text elements, placeholder text |
| #B05CB3 text on white | 4.17:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #B05CB3 text on black | 5.02:1 | AA | Lc -33.3 | 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 500.
-
Step 50
50
#F9F3F9
oklch(97% 0.01 325.7)
-
Step 100
100
#F2E5F2
oklch(93.6% 0.022 325.8)
-
Step 200
200
#E8D0E8
oklch(88.5% 0.042 325.9)
-
Step 300
300
#DBB0DB
oklch(80.9% 0.076 326.3)
-
Step 400
400
#C885C9
oklch(70.8% 0.122 326.3)
-
Step 500
500 (this color)
#B05CB3
oklch(60.6% 0.156 326)
-
Step 600
600
#A348A7
oklch(55.5% 0.169 325.9)
-
Step 700
700
#8C398F
oklch(49.2% 0.157 326.3)
-
Step 800
800
#723074
oklch(42.8% 0.13 326.4)
-
Step 900
900
#5C2B5E
oklch(37.6% 0.102 325.9)
-
Step 950
950
#361A37
oklch(27% 0.064 325.9)
#B05CB3 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) | #5375B6 | 0.150 |
| Deuteranopia (no green cones) | #6C80B0 | 0.134 |
| Tritanopia (no blue cones) | #B4667F | 0.091 |
| Achromatopsia (no color) | #7C7C7C | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B05CB3
#B05CB3
oklch(60.6% 0.156 326)
- #339943
#339943
oklch(60.5% 0.155 146)
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 #B05CB3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.042
- Soft Purple #A66FB5 ΔE 0.045
- Pinky Purple #C94CBE ΔE 0.055
- Medium Orchid #BA55D3 ΔE 0.055
- Deep Lilac #966EBD ΔE 0.057
- Dark Lilac #9C6DA5 ΔE 0.058
- Deep Lavender #8D5EB7 ΔE 0.063
- Purpley Pink #C83CB9 ΔE 0.068
Use #B05CB3 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.