#B550B8
Closest named color: Pinky Purple (#C94CBE). oklch(59.8% 0.182 326.4), rgb(181, 80, 184).
Aa
Black text reads best on this color (4.80:1).
About this color
#B550B8 is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.182 and its hue 326°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pinky Purple (#C94CBE), ΔE 0.038 away. Black text reads best on it, at 4.80:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.182) |
| Temperature | in between |
| Nearest name | Pinky Purple (#C94CBE) |
| Black text | 4.80:1 |
| White text | 4.37:1 |
Values
| HEX | #B550B8 |
| RGB | rgb(181, 80, 184) |
| HSL | hsl(298, 42%, 52%) |
| OKLCH | oklch(59.8% 0.182 326.4) |
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 #B550B8 | 4.37:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #B550B8 | 4.80:1 | AA | Lc 34.4 | Non-text elements, placeholder text |
| #B550B8 text on white | 4.37:1 | AA large text | Lc 69.7 | Content text, not long reading |
| #B550B8 text on black | 4.80:1 | AA | Lc -32.0 | 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
#FAF3FA
oklch(97.2% 0.012 325.7)
-
Step 100
100
#F4E4F3
oklch(93.6% 0.026 327.7)
-
Step 200
200
#EBCEEB
oklch(88.4% 0.05 326)
-
Step 300
300
#E0ADDF
oklch(81% 0.089 327)
-
Step 400
400
#CE7FCF
oklch(70.7% 0.142 326.5)
-
Step 500
500 (this color)
#B550B8
oklch(59.8% 0.182 326.4)
-
Step 600
600
#AB3BAF
oklch(55.6% 0.199 326.4)
-
Step 700
700
#932C96
oklch(49.1% 0.184 326.7)
-
Step 800
800
#77267A
oklch(42.6% 0.153 326.4)
-
Step 900
900
#602562
oklch(37.6% 0.119 326.3)
-
Step 950
950
#39173A
oklch(27.1% 0.076 326.3)
#B550B8 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) | #4370BB | 0.182 |
| Deuteranopia (no green cones) | #657DB5 | 0.159 |
| Tritanopia (no blue cones) | #BA5D7D | 0.104 |
| Achromatopsia (no color) | #797979 | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B550B8
#B550B8
oklch(59.8% 0.182 326.4)
- #009A33
#009A33
oklch(59.7% 0.18 146.4)
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 #B550B8, closest first.
No curated palette has a color within ΔE 0.04 of #B550B8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pinky Purple #C94CBE ΔE 0.038
- Medium Orchid #BA55D3 ΔE 0.042
- Purpley Pink #C83CB9 ΔE 0.044
- Amethyst #9B5FC0 ΔE 0.053
- Purply #983FB2 ΔE 0.069
- Soft Purple #A66FB5 ΔE 0.072
- Deep Lavender #8D5EB7 ΔE 0.074
- Deep Lilac #966EBD ΔE 0.080
Use #B550B8 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.