#B637AC
Closest named color: Purpley Pink (#C83CB9). oklch(56.6% 0.207 331.3), rgb(182, 55, 172).
Aa
White text reads best on this color (5.08:1).
About this color
#B637AC is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.207 and its hue 331°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purpley Pink (#C83CB9), ΔE 0.041 away. White text reads best on it, at 5.08:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.207) |
| Temperature | in between |
| Nearest name | Purpley Pink (#C83CB9) |
| Black text | 4.13:1 |
| White text | 5.08:1 |
Values
| HEX | #B637AC |
| RGB | rgb(182, 55, 172) |
| HSL | hsl(305, 54%, 46%) |
| OKLCH | oklch(56.6% 0.207 331.3) |
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 #B637AC | 5.08:1 | AA | Lc -79.4 | Fine for body text |
| Black text on #B637AC | 4.13:1 | AA large text | Lc 30.1 | Non-text elements, placeholder text |
| #B637AC text on white | 5.08:1 | AA | Lc 74.0 | Content text, not long reading |
| #B637AC text on black | 4.13:1 | AA large text | Lc -27.7 | Dividers and decoration only |
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
#FBF3F9
oklch(97.2% 0.012 334.1)
-
Step 100
100
#F5E4F2
oklch(93.6% 0.026 331.5)
-
Step 200
200
#EECDE9
oklch(88.4% 0.052 331)
-
Step 300
300
#E4ABDC
oklch(80.9% 0.092 331.3)
-
Step 400
400
#D57BCA
oklch(70.7% 0.149 331.6)
-
Step 500
500
#C755BD
oklch(63.1% 0.19 331.1)
-
Step 600
600 (this color)
#B637AC
oklch(56.6% 0.207 331.3)
-
Step 700
700
#992491
oklch(49.1% 0.192 331.1)
-
Step 800
800
#7D2175
oklch(42.8% 0.159 331.8)
-
Step 900
900
#65225F
oklch(37.8% 0.124 331.4)
-
Step 950
950
#3B1538
oklch(27% 0.079 330.6)
#B637AC 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) | #2E63AF | 0.221 |
| Deuteranopia (no green cones) | #5D75A9 | 0.190 |
| Tritanopia (no blue cones) | #BD456D | 0.110 |
| Achromatopsia (no color) | #6E6E6E | 0.209 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B637AC
#B637AC
oklch(56.6% 0.207 331.3)
- #008E45
#008E45
oklch(56.6% 0.151 151.4)
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 #B637AC, closest first.
No curated palette has a color within ΔE 0.04 of #B637AC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purpley Pink #C83CB9 ΔE 0.041
- Pinky Purple #C94CBE ΔE 0.058
- Purply #983FB2 ΔE 0.059
- Medium Violet Red #C71585 ΔE 0.071
- Medium Orchid #BA55D3 ΔE 0.074
- Warm Purple #952E8F ΔE 0.080
- Dark Orchid #9932CC ΔE 0.081
- Amethyst #9B5FC0 ΔE 0.086
Use #B637AC 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.