#B057BB
Closest named color: Amethyst (#9B5FC0). oklch(60.3% 0.171 323.1), rgb(176, 87, 187).
Aa
Black text reads best on this color (4.92:1).
About this color
#B057BB is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.171 and its hue 323°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.040 away. Black text reads best on it, at 4.92:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.171) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.92:1 |
| White text | 4.26:1 |
Values
| HEX | #B057BB |
| RGB | rgb(176, 87, 187) |
| HSL | hsl(293, 42%, 54%) |
| OKLCH | oklch(60.3% 0.171 323.1) |
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 #B057BB | 4.26:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #B057BB | 4.92:1 | AA | Lc 35.1 | Non-text elements, placeholder text |
| #B057BB text on white | 4.26:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #B057BB text on black | 4.92:1 | 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
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F2E5F3
oklch(93.6% 0.023 323.6)
-
Step 200
200
#E9CFEB
oklch(88.4% 0.047 323.8)
-
Step 300
300
#DBAFE0
oklch(80.9% 0.083 322.9)
-
Step 400
400
#C882D1
oklch(70.6% 0.135 322.8)
-
Step 500
500 (this color)
#B057BB
oklch(60.3% 0.171 323.1)
-
Step 600
600
#A443B1
oklch(55.6% 0.186 322.8)
-
Step 700
700
#8D3398
oklch(49.1% 0.174 323.2)
-
Step 800
800
#722C7B
oklch(42.7% 0.143 323)
-
Step 900
900
#5D2963
oklch(37.8% 0.111 323.4)
-
Step 950
950
#36193A
oklch(27% 0.07 322.6)
#B057BB 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) | #4874BE | 0.165 |
| Deuteranopia (no green cones) | #647EB8 | 0.145 |
| Tritanopia (no blue cones) | #B36481 | 0.103 |
| Achromatopsia (no color) | #7B7B7B | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B057BB
#B057BB
oklch(60.3% 0.171 323.1)
- #309931
#309931
oklch(60.2% 0.171 143.2)
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 #B057BB, closest first.
No curated palette has a color within ΔE 0.04 of #B057BB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.040
- Medium Orchid #BA55D3 ΔE 0.041
- Pinky Purple #C94CBE ΔE 0.048
- Soft Purple #A66FB5 ΔE 0.058
- Purpley Pink #C83CB9 ΔE 0.059
- Deep Lavender #8D5EB7 ΔE 0.063
- Deep Lilac #966EBD ΔE 0.065
- Purply #983FB2 ΔE 0.070
Use #B057BB 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.