#B743CB
Closest named color: Medium Orchid (#BA55D3). oklch(59.7% 0.218 321.4), rgb(183, 67, 203).
Aa
Black text reads best on this color (4.67:1).
About this color
#B743CB is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.218 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.034 away. Black text reads best on it, at 4.67:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.218) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 4.67:1 |
| White text | 4.48:1 |
Values
| HEX | #B743CB |
| RGB | rgb(183, 67, 203) |
| HSL | hsl(291, 57%, 53%) |
| OKLCH | oklch(59.7% 0.218 321.4) |
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 #B743CB | 4.48:1 | AA large text | Lc -75.7 | Fine for body text |
| Black text on #B743CB | 4.67:1 | AA | Lc 33.8 | Non-text elements, placeholder text |
| #B743CB text on white | 4.48:1 | AA large text | Lc 70.3 | Content text, not long reading |
| #B743CB text on black | 4.67:1 | AA | Lc -31.4 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#FAF2FB
oklch(97% 0.015 322.3)
-
Step 100
100
#F4E4F7
oklch(93.7% 0.03 320.9)
-
Step 200
200
#ECCDF1
oklch(88.5% 0.059 321.6)
-
Step 300
300
#E1AAEA
oklch(81% 0.106 321.7)
-
Step 400
400
#D078E0
oklch(70.6% 0.172 321.3)
-
Step 500
500 (this color)
#B743CB
oklch(59.7% 0.218 321.4)
-
Step 600
600
#AE28C4
oklch(55.7% 0.237 321.4)
-
Step 700
700
#9516A9
oklch(49.1% 0.22 321.4)
-
Step 800
800
#791889
oklch(42.7% 0.183 321.4)
-
Step 900
900
#621E6E
oklch(37.8% 0.142 321.3)
-
Step 950
950
#391340
oklch(26.9% 0.09 321.1)
#B743CB 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) | #176FCF | 0.221 |
| Deuteranopia (no green cones) | #537BC8 | 0.188 |
| Tritanopia (no blue cones) | #B95A82 | 0.132 |
| Achromatopsia (no color) | #777777 | 0.220 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B743CB
#B743CB
oklch(59.7% 0.218 321.4)
- #1C9A00
#1C9A00
oklch(59.7% 0.198 141.4)
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 #B743CB, closest first.
No curated palette has a color within ΔE 0.04 of #B743CB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.034
- Purpley Pink #C83CB9 ΔE 0.043
- Pinky Purple #C94CBE ΔE 0.047
- Dark Orchid #9932CC ΔE 0.068
- Purple Pink #D725DE ΔE 0.069
- Purply #983FB2 ΔE 0.070
- Amethyst #9B5FC0 ΔE 0.072
- Vibrant Purple #AD03DE ΔE 0.073
Use #B743CB 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.