#B550C3
Closest named color: Medium Orchid (#BA55D3). oklch(60.4% 0.192 322.6), rgb(181, 80, 195).
Aa
Black text reads best on this color (4.90:1).
About this color
#B550C3 is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.192 and its hue 323°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.026 away. Black text reads best on it, at 4.90:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.192) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 4.90:1 |
| White text | 4.28:1 |
Values
| HEX | #B550C3 |
| RGB | rgb(181, 80, 195) |
| HSL | hsl(293, 49%, 54%) |
| OKLCH | oklch(60.4% 0.192 322.6) |
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 #B550C3 | 4.28:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #B550C3 | 4.90:1 | AA | Lc 35.1 | Non-text elements, placeholder text |
| #B550C3 text on white | 4.28:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #B550C3 text on black | 4.90:1 | AA | Lc -32.7 | 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
#F3E4F5
oklch(93.6% 0.028 322.2)
-
Step 200
200
#EACEEE
oklch(88.4% 0.053 322)
-
Step 300
300
#DEACE4
oklch(80.8% 0.094 322.8)
-
Step 400
400
#CC7ED7
oklch(70.7% 0.15 322.5)
-
Step 500
500 (this color)
#B550C3
oklch(60.4% 0.192 322.6)
-
Step 600
600
#A938B9
oklch(55.6% 0.21 322.5)
-
Step 700
700
#91299F
oklch(49.1% 0.194 322.7)
-
Step 800
800
#762481
oklch(42.7% 0.162 322.7)
-
Step 900
900
#5F2467
oklch(37.6% 0.125 322.7)
-
Step 950
950
#38163D
oklch(27% 0.081 322.4)
#B550C3 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) | #3A73C7 | 0.189 |
| Deuteranopia (no green cones) | #5F7EC0 | 0.164 |
| Tritanopia (no blue cones) | #B86182 | 0.116 |
| Achromatopsia (no color) | #7A7A7A | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B550C3
#B550C3
oklch(60.4% 0.192 322.6)
- #1D9C1C
#1D9C1C
oklch(60.4% 0.192 142.7)
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 #B550C3, closest first.
No curated palette has a color within ΔE 0.04 of #B550C3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.026
- Pinky Purple #C94CBE ΔE 0.038
- Purpley Pink #C83CB9 ΔE 0.046
- Amethyst #9B5FC0 ΔE 0.053
- Purply #983FB2 ΔE 0.070
- Soft Purple #A66FB5 ΔE 0.077
- Deep Lavender #8D5EB7 ΔE 0.077
- Lighter Purple #A55AF4 ΔE 0.081
Use #B550C3 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.