#B737B0
Closest named color: Purpley Pink (#C83CB9). oklch(57% 0.211 330.3), rgb(183, 55, 176).
Aa
White text reads best on this color (5.01:1).
About this color
#B737B0 is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.211 and its hue 330°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purpley Pink (#C83CB9), ΔE 0.037 away. White text reads best on it, at 5.01:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.211) |
| Temperature | in between |
| Nearest name | Purpley Pink (#C83CB9) |
| Black text | 4.18:1 |
| White text | 5.01:1 |
Values
| HEX | #B737B0 |
| RGB | rgb(183, 55, 176) |
| HSL | hsl(303, 54%, 47%) |
| OKLCH | oklch(57% 0.211 330.3) |
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 #B737B0 | 5.01:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #B737B0 | 4.18:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #B737B0 text on white | 5.01:1 | AA | Lc 73.6 | Content text, not long reading |
| #B737B0 text on black | 4.18:1 | AA large text | Lc -28.1 | 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
#F5E4F3
oklch(93.7% 0.027 329.5)
-
Step 200
200
#EECDEA
oklch(88.5% 0.053 330)
-
Step 300
300
#E4ABDE
oklch(81% 0.094 330)
-
Step 400
400
#D57BCD
oklch(70.8% 0.152 330.3)
-
Step 500
500
#C754BF
oklch(63.1% 0.193 330.4)
-
Step 600
600 (this color)
#B737B0
oklch(57% 0.211 330.3)
-
Step 700
700
#992293
oklch(49.1% 0.196 330.3)
-
Step 800
800
#7C2077
oklch(42.6% 0.161 330.3)
-
Step 900
900
#642160
oklch(37.6% 0.126 330.2)
-
Step 950
950
#3B1538
oklch(27% 0.079 330.6)
#B737B0 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) | #2A64B3 | 0.225 |
| Deuteranopia (no green cones) | #5C75AD | 0.191 |
| Tritanopia (no blue cones) | #BE4770 | 0.113 |
| Achromatopsia (no color) | #6F6F6F | 0.212 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B737B0
#B737B0
oklch(57% 0.211 330.3)
- #009042
#009042
oklch(57.1% 0.156 150.3)
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 #B737B0, closest first.
No curated palette has a color within ΔE 0.04 of #B737B0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purpley Pink #C83CB9 ΔE 0.037
- Pinky Purple #C94CBE ΔE 0.054
- Purply #983FB2 ΔE 0.060
- Medium Orchid #BA55D3 ΔE 0.069
- Medium Violet Red #C71585 ΔE 0.076
- Dark Orchid #9932CC ΔE 0.079
- Warm Purple #952E8F ΔE 0.084
- Amethyst #9B5FC0 ΔE 0.085
Use #B737B0 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.