#B637CB
Closest named color: Purpley Pink (#C83CB9). oklch(58.4% 0.232 321.6), rgb(182, 55, 203).
Aa
White text reads best on this color (4.77:1).
About this color
#B637CB is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.232 and its hue 322°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purpley Pink (#C83CB9), ΔE 0.049 away. White text reads best on it, at 4.77:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.232) |
| Temperature | in between |
| Nearest name | Purpley Pink (#C83CB9) |
| Black text | 4.39:1 |
| White text | 4.77:1 |
Values
| HEX | #B637CB |
| RGB | rgb(182, 55, 203) |
| HSL | hsl(291, 59%, 51%) |
| OKLCH | oklch(58.4% 0.232 321.6) |
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 #B637CB | 4.77:1 | AA | Lc -77.4 | Fine for body text |
| Black text on #B637CB | 4.39:1 | AA large text | Lc 32.1 | Non-text elements, placeholder text |
| #B637CB text on white | 4.77:1 | AA | Lc 72.0 | Content text, not long reading |
| #B637CB text on black | 4.39:1 | AA large text | Lc -29.7 | 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
#FAF3FB
oklch(97.2% 0.013 321.9)
-
Step 100
100
#F4E4F6
oklch(93.7% 0.029 322.4)
-
Step 200
200
#ECCDF1
oklch(88.5% 0.059 321.6)
-
Step 300
300
#E0AAE9
oklch(80.8% 0.104 321.6)
-
Step 400
400
#CF7ADE
oklch(70.7% 0.166 321.4)
-
Step 500
500
#C151D5
oklch(63.1% 0.213 321.3)
-
Step 600
600 (this color)
#B637CB
oklch(58.4% 0.232 321.6)
-
Step 700
700
#941BA7
oklch(49.1% 0.215 321.6)
-
Step 800
800
#781B87
oklch(42.6% 0.178 321.6)
-
Step 900
900
#611F6C
oklch(37.6% 0.138 321.6)
-
Step 950
950
#391440
oklch(27% 0.088 321)
#B637CB 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) | #006ACF | 0.234 |
| Deuteranopia (no green cones) | #4A77C8 | 0.202 |
| Tritanopia (no blue cones) | #B8537E | 0.140 |
| Achromatopsia (no color) | #737373 | 0.233 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B637CB
#B637CB
oklch(58.4% 0.232 321.6)
- #199500
#199500
oklch(58.3% 0.194 141.5)
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 #B637CB, closest first.
No curated palette has a color within ΔE 0.04 of #B637CB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purpley Pink #C83CB9 ΔE 0.049
- Medium Orchid #BA55D3 ΔE 0.051
- Vibrant Purple #AD03DE ΔE 0.057
- Dark Orchid #9932CC ΔE 0.059
- Pinky Purple #C94CBE ΔE 0.061
- Purply #983FB2 ΔE 0.067
- Purple Pink #D725DE ΔE 0.067
- Hot Purple #CB00F5 ΔE 0.078
Use #B637CB 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.