#B557BE
Closest named color: Medium Orchid (#BA55D3). oklch(61% 0.177 324), rgb(181, 87, 190).
Aa
Black text reads best on this color (5.07:1).
About this color
#B557BE is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.177 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.034 away. Black text reads best on it, at 5.07:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.177) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 5.07:1 |
| White text | 4.14:1 |
Values
| HEX | #B557BE |
| RGB | rgb(181, 87, 190) |
| HSL | hsl(295, 44%, 54%) |
| OKLCH | oklch(61% 0.177 324) |
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 #B557BE | 4.14:1 | AA large text | Lc -73.5 | Content text, not long reading |
| Black text on #B557BE | 5.07:1 | AA | Lc 36.1 | Non-text elements, placeholder text |
| #B557BE text on white | 4.14:1 | AA large text | Lc 68.0 | Content text, not long reading |
| #B557BE text on black | 5.07:1 | AA | Lc -33.7 | 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
#F3E5F4
oklch(93.7% 0.025 323.8)
-
Step 200
200
#EACFEB
oklch(88.5% 0.048 324.9)
-
Step 300
300
#DDAEE1
oklch(80.9% 0.087 323.8)
-
Step 400
400
#CB81D1
oklch(70.8% 0.139 324.2)
-
Step 500
500 (this color)
#B557BE
oklch(61% 0.177 324)
-
Step 600
600
#A73FB1
oklch(55.5% 0.193 324.1)
-
Step 700
700
#8F3098
oklch(49.1% 0.179 324.2)
-
Step 800
800
#742A7C
oklch(42.8% 0.148 323.7)
-
Step 900
900
#5E2763
oklch(37.6% 0.115 324.2)
-
Step 950
950
#37183A
oklch(27% 0.072 324)
#B557BE 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) | #4875C1 | 0.172 |
| Deuteranopia (no green cones) | #6781BB | 0.151 |
| Tritanopia (no blue cones) | #B86482 | 0.105 |
| Achromatopsia (no color) | #7D7D7D | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B557BE
#B557BE
oklch(61% 0.177 324)
- #299D32
#299D32
oklch(61.1% 0.177 144)
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 #B557BE, closest first.
No curated palette has a color within ΔE 0.04 of #B557BE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.034
- Pinky Purple #C94CBE ΔE 0.039
- Amethyst #9B5FC0 ΔE 0.048
- Purpley Pink #C83CB9 ΔE 0.053
- Soft Purple #A66FB5 ΔE 0.061
- Deep Lilac #966EBD ΔE 0.070
- Deep Lavender #8D5EB7 ΔE 0.072
- Purply #983FB2 ΔE 0.078
Use #B557BE 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.