#B550EE
Closest named color: Lighter Purple (#A55AF4). oklch(63% 0.233 310.8), rgb(181, 80, 238).
Aa
Black text reads best on this color (5.34:1).
About this color
#B550EE is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.233 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Lighter Purple (#A55AF4), ΔE 0.033 away. Black text reads best on it, at 5.34:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.233) |
| Temperature | in between |
| Nearest name | Lighter Purple (#A55AF4) |
| Black text | 5.34:1 |
| White text | 3.92:1 |
Values
| HEX | #B550EE |
| RGB | rgb(181, 80, 238) |
| HSL | hsl(278, 82%, 62%) |
| OKLCH | oklch(63% 0.233 310.8) |
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 #B550EE | 3.92:1 | AA large text | Lc -71.4 | Content text, not long reading |
| Black text on #B550EE | 5.34:1 | AA | Lc 38.2 | Non-text elements, placeholder text |
| #B550EE text on white | 3.92:1 | AA large text | Lc 65.9 | Content text, not long reading |
| #B550EE text on black | 5.34:1 | AA | Lc -35.8 | 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
#F9F3FD
oklch(97.2% 0.015 312.2)
-
Step 100
100
#F1E4FB
oklch(93.6% 0.034 310.7)
-
Step 200
200
#E7CEF9
oklch(88.6% 0.064 311.1)
-
Step 300
300
#D8ACF7
oklch(81% 0.113 310.7)
-
Step 400
400
#C47BF3
oklch(70.7% 0.182 310.6)
-
Step 500
500 (this color)
#B550EE
oklch(63% 0.233 310.8)
-
Step 600
600
#A127DD
oklch(55.6% 0.254 310.7)
-
Step 700
700
#8A14BF
oklch(49.1% 0.235 310.9)
-
Step 800
800
#70189B
oklch(42.7% 0.195 310.7)
-
Step 900
900
#5B1E7B
oklch(37.7% 0.152 311.1)
-
Step 950
950
#351448
oklch(27% 0.096 310.8)
#B550EE 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) | #007CF3 | 0.206 |
| Deuteranopia (no green cones) | #3B82EA | 0.188 |
| Tritanopia (no blue cones) | #AE7199 | 0.159 |
| Achromatopsia (no color) | #808080 | 0.235 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B550EE
#B550EE
oklch(63% 0.233 310.8)
- #639C00
#639C00
oklch(62.9% 0.171 130.7)
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 #B550EE, closest first.
No curated palette has a color within ΔE 0.04 of #B550EE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lighter Purple #A55AF4 ΔE 0.033
- Medium Orchid #BA55D3 ΔE 0.045
- Bright Lilac #C95EFB ΔE 0.049
- Bright Lavender #C760FF ΔE 0.051
- Light Urple #B36FF6 ΔE 0.060
- Heliotrope #D94FF5 ΔE 0.067
- Neon Purple #BC13FE ΔE 0.068
- Electric Purple #AA23FF ΔE 0.069
Use #B550EE 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.