#B555CF
Closest named color: Medium Orchid (#BA55D3). oklch(61.7% 0.196 318.6), rgb(181, 85, 207).
Aa
Black text reads best on this color (5.16:1).
About this color
#B555CF is a medium-dark, vivid purple. In OKLCH its lightness is 62%, its chroma 0.196 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 0.011 away. Black text reads best on it, at 5.16:1.
| Hue family | Purples |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.196) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 5.16:1 |
| White text | 4.06:1 |
Values
| HEX | #B555CF |
| RGB | rgb(181, 85, 207) |
| HSL | hsl(287, 56%, 57%) |
| OKLCH | oklch(61.7% 0.196 318.6) |
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 #B555CF | 4.06:1 | AA large text | Lc -72.8 | Content text, not long reading |
| Black text on #B555CF | 5.16:1 | AA | Lc 36.8 | Non-text elements, placeholder text |
| #B555CF text on white | 4.06:1 | AA large text | Lc 67.3 | Content text, not long reading |
| #B555CF text on black | 5.16:1 | AA | Lc -34.4 | 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
#E9CFF0
oklch(88.6% 0.053 319)
-
Step 300
300
#DBADE9
oklch(80.9% 0.096 318.2)
-
Step 400
400
#C87FDD
oklch(70.7% 0.153 318.4)
-
Step 500
500 (this color)
#B555CF
oklch(61.7% 0.196 318.6)
-
Step 600
600
#A539C1
oklch(55.6% 0.214 318.5)
-
Step 700
700
#8D2AA6
oklch(49.1% 0.198 318.6)
-
Step 800
800
#732587
oklch(42.8% 0.165 318.6)
-
Step 900
900
#5D256C
oklch(37.8% 0.128 318.6)
-
Step 950
950
#37173F
oklch(27.1% 0.08 319.2)
#B555CF 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) | #3778D3 | 0.186 |
| Deuteranopia (no green cones) | #5B81CC | 0.163 |
| Tritanopia (no blue cones) | #B5698A | 0.125 |
| Achromatopsia (no color) | #7E7E7E | 0.198 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B555CF
#B555CF
oklch(61.7% 0.196 318.6)
- #3C9E00
#3C9E00
oklch(61.6% 0.192 138.5)
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 #B555CF, closest first.
No curated palette has a color within ΔE 0.04 of #B555CF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.011
- Pinky Purple #C94CBE ΔE 0.046
- Amethyst #9B5FC0 ΔE 0.054
- Purpley Pink #C83CB9 ΔE 0.058
- Lighter Purple #A55AF4 ΔE 0.064
- Light Urple #B36FF6 ΔE 0.073
- Bright Lilac #C95EFB ΔE 0.075
- Medium Purple #9370DB ΔE 0.078
Use #B555CF 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.