#B550CF
Closest named color: Medium Orchid (#BA55D3). oklch(61.1% 0.204 318.9), rgb(181, 80, 207).
Aa
Black text reads best on this color (5.01:1).
About this color
#B550CF is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.204 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.015 away. Black text reads best on it, at 5.01:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.204) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 5.01:1 |
| White text | 4.18:1 |
Values
| HEX | #B550CF |
| RGB | rgb(181, 80, 207) |
| HSL | hsl(288, 57%, 56%) |
| OKLCH | oklch(61.1% 0.204 318.9) |
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 #B550CF | 4.18:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #B550CF | 5.01:1 | AA | Lc 35.9 | Non-text elements, placeholder text |
| #B550CF text on white | 4.18:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #B550CF text on black | 5.01:1 | AA | Lc -33.5 | 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
#F9F3FB
oklch(97.1% 0.012 317.7)
-
Step 100
100
#F2E4F6
oklch(93.5% 0.028 318.7)
-
Step 200
200
#E9CEF1
oklch(88.5% 0.055 318.4)
-
Step 300
300
#DDACEA
oklch(80.9% 0.1 319.1)
-
Step 400
400
#CA7DDF
oklch(70.7% 0.159 318.8)
-
Step 500
500 (this color)
#B550CF
oklch(61.1% 0.204 318.9)
-
Step 600
600
#A735C3
oklch(55.6% 0.221 318.9)
-
Step 700
700
#8F25A8
oklch(49.1% 0.205 319)
-
Step 800
800
#742288
oklch(42.7% 0.17 318.9)
-
Step 900
900
#5E236D
oklch(37.7% 0.132 318.9)
-
Step 950
950
#371640
oklch(27% 0.084 318.6)
#B550CF 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) | #2E75D3 | 0.196 |
| Deuteranopia (no green cones) | #587FCC | 0.169 |
| Tritanopia (no blue cones) | #B56588 | 0.128 |
| Achromatopsia (no color) | #7C7C7C | 0.205 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B550CF
#B550CF
oklch(61.1% 0.204 318.9)
- #389C00
#389C00
oklch(61% 0.192 138.9)
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 #B550CF, closest first.
No curated palette has a color within ΔE 0.04 of #B550CF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.015
- Pinky Purple #C94CBE ΔE 0.046
- Purpley Pink #C83CB9 ΔE 0.054
- Amethyst #9B5FC0 ΔE 0.058
- Lighter Purple #A55AF4 ΔE 0.064
- Bright Lilac #C95EFB ΔE 0.077
- Purply #983FB2 ΔE 0.077
- Dark Orchid #9932CC ΔE 0.079
Use #B550CF 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.