#B637B4
Closest named color: Purpley Pink (#C83CB9). oklch(57.1% 0.213 328.6), rgb(182, 55, 180).
Aa
White text reads best on this color (5.00:1).
About this color
#B637B4 is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.213 and its hue 329°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purpley Pink (#C83CB9), ΔE 0.038 away. White text reads best on it, at 5.00:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.213) |
| Temperature | in between |
| Nearest name | Purpley Pink (#C83CB9) |
| Black text | 4.19:1 |
| White text | 5.00:1 |
Values
| HEX | #B637B4 |
| RGB | rgb(182, 55, 180) |
| HSL | hsl(301, 54%, 46%) |
| OKLCH | oklch(57.1% 0.213 328.6) |
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 #B637B4 | 5.00:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #B637B4 | 4.19:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #B637B4 text on white | 5.00:1 | AA | Lc 73.5 | Content text, not long reading |
| #B637B4 text on black | 4.19:1 | AA large text | Lc -28.2 | 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
#FBF3FA
oklch(97.2% 0.013 329.6)
-
Step 100
100
#F5E4F3
oklch(93.7% 0.027 329.5)
-
Step 200
200
#EECDEB
oklch(88.5% 0.054 328.9)
-
Step 300
300
#E3ABE0
oklch(81% 0.095 328.2)
-
Step 400
400
#D37BD0
oklch(70.7% 0.153 328.3)
-
Step 500
500
#C654C3
oklch(63.1% 0.196 328.6)
-
Step 600
600 (this color)
#B637B4
oklch(57.1% 0.213 328.6)
-
Step 700
700
#982297
oklch(49.1% 0.198 328.5)
-
Step 800
800
#7B1F7A
oklch(42.6% 0.164 328.5)
-
Step 900
900
#642162
oklch(37.7% 0.128 329)
-
Step 950
950
#3B153A
oklch(27.1% 0.081 328.6)
#B637B4 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) | #2465B8 | 0.227 |
| Deuteranopia (no green cones) | #5975B1 | 0.192 |
| Tritanopia (no blue cones) | #BC4972 | 0.117 |
| Achromatopsia (no color) | #6F6F6F | 0.215 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B637B4
#B637B4
oklch(57.1% 0.213 328.6)
- #00903B
#00903B
oklch(57% 0.162 148.6)
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 #B637B4, closest first.
No curated palette has a color within ΔE 0.04 of #B637B4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purpley Pink #C83CB9 ΔE 0.038
- Pinky Purple #C94CBE ΔE 0.055
- Purply #983FB2 ΔE 0.057
- Medium Orchid #BA55D3 ΔE 0.066
- Dark Orchid #9932CC ΔE 0.073
- Medium Violet Red #C71585 ΔE 0.082
- Amethyst #9B5FC0 ΔE 0.084
- Vibrant Purple #AD03DE ΔE 0.084
Use #B637B4 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.