#B051B5
Closest named color: Amethyst (#9B5FC0). oklch(59.1% 0.175 325.6), rgb(176, 81, 181).
Aa
Black text reads best on this color (4.69:1).
About this color
#B051B5 is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.175 and its hue 326°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.047 away. Black text reads best on it, at 4.69:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.175) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.69:1 |
| White text | 4.47:1 |
Values
| HEX | #B051B5 |
| RGB | rgb(176, 81, 181) |
| HSL | hsl(297, 40%, 51%) |
| OKLCH | oklch(59.1% 0.175 325.6) |
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 #B051B5 | 4.47:1 | AA large text | Lc -76.0 | Fine for body text |
| Black text on #B051B5 | 4.69:1 | AA | Lc 33.6 | Non-text elements, placeholder text |
| #B051B5 text on white | 4.47:1 | AA large text | Lc 70.5 | Content text, not long reading |
| #B051B5 text on black | 4.69:1 | AA | Lc -31.1 | 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 600.
-
Step 50
50
#F9F3F9
oklch(97% 0.01 325.7)
-
Step 100
100
#F2E5F2
oklch(93.6% 0.022 325.8)
-
Step 200
200
#E9D0E9
oklch(88.6% 0.043 325.9)
-
Step 300
300
#DCAFDD
oklch(80.9% 0.08 325.6)
-
Step 400
400
#C984CB
oklch(70.8% 0.126 325.8)
-
Step 500
500
#B962BE
oklch(63.1% 0.162 325.2)
-
Step 600
600 (this color)
#B051B5
oklch(59.1% 0.175 325.6)
-
Step 700
700
#8D3792
oklch(49.2% 0.163 325.5)
-
Step 800
800
#722E76
oklch(42.6% 0.135 325.4)
-
Step 900
900
#5D2A5F
oklch(37.7% 0.105 326)
-
Step 950
950
#361938
oklch(26.9% 0.067 324.8)
#B051B5 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) | #446FB8 | 0.173 |
| Deuteranopia (no green cones) | #637BB2 | 0.152 |
| Tritanopia (no blue cones) | #B45E7B | 0.103 |
| Achromatopsia (no color) | #777777 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B051B5
#B051B5
oklch(59.1% 0.175 325.6)
- #169732
#169732
oklch(59.1% 0.175 145.6)
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 #B051B5, closest first.
No curated palette has a color within ΔE 0.04 of #B051B5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.047
- Pinky Purple #C94CBE ΔE 0.048
- Medium Orchid #BA55D3 ΔE 0.048
- Purpley Pink #C83CB9 ΔE 0.053
- Purply #983FB2 ΔE 0.062
- Deep Lavender #8D5EB7 ΔE 0.066
- Soft Purple #A66FB5 ΔE 0.068
- Deep Lilac #966EBD ΔE 0.074
Use #B051B5 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.