#B557BA
Closest named color: Medium Orchid (#BA55D3). oklch(60.8% 0.173 325.5), rgb(181, 87, 186).
Aa
Black text reads best on this color (5.03:1).
About this color
#B557BA is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.173 and its hue 326°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.040 away. Black text reads best on it, at 5.03:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.173) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 5.03:1 |
| White text | 4.16:1 |
Values
| HEX | #B557BA |
| RGB | rgb(181, 87, 186) |
| HSL | hsl(297, 42%, 54%) |
| OKLCH | oklch(60.8% 0.173 325.5) |
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 #B557BA | 4.16:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #B557BA | 5.03:1 | AA | Lc 35.9 | Non-text elements, placeholder text |
| #B557BA text on white | 4.16:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #B557BA text on black | 5.03:1 | AA | Lc -33.4 | 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
#FAF3FA
oklch(97.2% 0.012 325.7)
-
Step 100
100
#F3E5F3
oklch(93.7% 0.024 325.8)
-
Step 200
200
#EACFEA
oklch(88.5% 0.047 326)
-
Step 300
300
#DDAEDF
oklch(80.9% 0.085 325)
-
Step 400
400
#CB81CE
oklch(70.6% 0.136 325.5)
-
Step 500
500 (this color)
#B557BA
oklch(60.8% 0.173 325.5)
-
Step 600
600
#A840AE
oklch(55.6% 0.19 325.5)
-
Step 700
700
#903195
oklch(49.1% 0.176 325.8)
-
Step 800
800
#752A79
oklch(42.7% 0.146 325.7)
-
Step 900
900
#5E2861
oklch(37.7% 0.112 325.5)
-
Step 950
950
#371839
oklch(26.9% 0.071 325)
#B557BA 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) | #4B75BD | 0.170 |
| Deuteranopia (no green cones) | #6880B7 | 0.150 |
| Tritanopia (no blue cones) | #B96380 | 0.101 |
| Achromatopsia (no color) | #7C7C7C | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B557BA
#B557BA
oklch(60.8% 0.173 325.5)
- #239C38
#239C38
oklch(60.8% 0.173 145.5)
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 #B557BA, closest first.
No curated palette has a color within ΔE 0.04 of #B557BA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.040
- Pinky Purple #C94CBE ΔE 0.040
- Amethyst #9B5FC0 ΔE 0.048
- Purpley Pink #C83CB9 ΔE 0.053
- Soft Purple #A66FB5 ΔE 0.059
- Deep Lilac #966EBD ΔE 0.070
- Deep Lavender #8D5EB7 ΔE 0.072
- Dark Lilac #9C6DA5 ΔE 0.076
Use #B557BA 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.