#B737BB
Closest named color: Purpley Pink (#C83CB9). oklch(57.6% 0.219 326.7), rgb(183, 55, 187).
Aa
White text reads best on this color (4.90:1).
About this color
#B737BB is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.219 and its hue 327°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purpley Pink (#C83CB9), ΔE 0.036 away. White text reads best on it, at 4.90:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.219) |
| Temperature | in between |
| Nearest name | Purpley Pink (#C83CB9) |
| Black text | 4.27:1 |
| White text | 4.90:1 |
Values
| HEX | #B737BB |
| RGB | rgb(183, 55, 187) |
| HSL | hsl(298, 55%, 47%) |
| OKLCH | oklch(57.6% 0.219 326.7) |
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 #B737BB | 4.90:1 | AA | Lc -78.3 | Fine for body text |
| Black text on #B737BB | 4.27:1 | AA large text | Lc 31.2 | Non-text elements, placeholder text |
| #B737BB text on white | 4.90:1 | AA | Lc 72.9 | Content text, not long reading |
| #B737BB text on black | 4.27:1 | AA large text | Lc -28.8 | 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
#FAF3FA
oklch(97.2% 0.012 325.7)
-
Step 100
100
#F5E4F4
oklch(93.7% 0.028 327.6)
-
Step 200
200
#EDCDED
oklch(88.5% 0.055 326)
-
Step 300
300
#E3AAE2
oklch(80.8% 0.099 327)
-
Step 400
400
#D37AD4
oklch(70.7% 0.159 326.7)
-
Step 500
500
#C553C8
oklch(63.1% 0.201 326.6)
-
Step 600
600 (this color)
#B737BB
oklch(57.6% 0.219 326.7)
-
Step 700
700
#971F9B
oklch(49% 0.204 326.7)
-
Step 800
800
#7B1E7E
oklch(42.7% 0.169 326.7)
-
Step 900
900
#632065
oklch(37.6% 0.131 326.6)
-
Step 950
950
#3A143B
oklch(26.9% 0.083 326.6)
#B737BB 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) | #1A66BF | 0.232 |
| Deuteranopia (no green cones) | #5676B8 | 0.195 |
| Tritanopia (no blue cones) | #BC4C76 | 0.124 |
| Achromatopsia (no color) | #717171 | 0.221 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B737BB
#B737BB
oklch(57.6% 0.219 326.7)
- #009232
#009232
oklch(57.5% 0.172 146.7)
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 #B737BB, closest first.
No curated palette has a color within ΔE 0.04 of #B737BB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purpley Pink #C83CB9 ΔE 0.036
- Pinky Purple #C94CBE ΔE 0.053
- Medium Orchid #BA55D3 ΔE 0.059
- Purply #983FB2 ΔE 0.060
- Dark Orchid #9932CC ΔE 0.069
- Vibrant Purple #AD03DE ΔE 0.076
- Purple Pink #D725DE ΔE 0.078
- Amethyst #9B5FC0 ΔE 0.084
Use #B737BB 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.