#B543D7
Closest named color: Medium Orchid (#BA55D3). oklch(60.1% 0.228 317.4), rgb(181, 67, 215).
Aa
Black text reads best on this color (4.74:1).
About this color
#B543D7 is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.228 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.036 away. Black text reads best on it, at 4.74:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.228) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 4.74:1 |
| White text | 4.42:1 |
Values
| HEX | #B543D7 |
| RGB | rgb(181, 67, 215) |
| HSL | hsl(286, 65%, 55%) |
| OKLCH | oklch(60.1% 0.228 317.4) |
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 #B543D7 | 4.42:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #B543D7 | 4.74:1 | AA | Lc 34.3 | Non-text elements, placeholder text |
| #B543D7 text on white | 4.42:1 | AA large text | Lc 69.7 | Content text, not long reading |
| #B543D7 text on black | 4.74:1 | AA | Lc -31.9 | 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
#FAF3FC
oklch(97.2% 0.014 318.7)
-
Step 100
100
#F3E4F8
oklch(93.7% 0.031 317.7)
-
Step 200
200
#EACDF5
oklch(88.5% 0.062 316.7)
-
Step 300
300
#DEAAF0
oklch(80.9% 0.111 317.2)
-
Step 400
400
#CD78E8
oklch(70.7% 0.178 317.6)
-
Step 500
500 (this color)
#B543D7
oklch(60.1% 0.228 317.4)
-
Step 600
600
#AA24CF
oklch(55.6% 0.248 317.2)
-
Step 700
700
#9210B3
oklch(49.1% 0.23 317.4)
-
Step 800
800
#771591
oklch(42.8% 0.191 317.6)
-
Step 900
900
#601C74
oklch(37.7% 0.15 317.3)
-
Step 950
950
#381344
oklch(27% 0.094 316.9)
#B543D7 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) | #0071DB | 0.221 |
| Deuteranopia (no green cones) | #477BD4 | 0.193 |
| Tritanopia (no blue cones) | #B46088 | 0.146 |
| Achromatopsia (no color) | #787878 | 0.230 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B543D7
#B543D7
oklch(60.1% 0.228 317.4)
- #419800
#419800
oklch(60.2% 0.184 137.4)
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 #B543D7, closest first.
No curated palette has a color within ΔE 0.04 of #B543D7.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.036
- Purpley Pink #C83CB9 ΔE 0.060
- Pinky Purple #C94CBE ΔE 0.062
- Lighter Purple #A55AF4 ΔE 0.063
- Vibrant Purple #AD03DE ΔE 0.063
- Dark Orchid #9932CC ΔE 0.065
- Purple Pink #D725DE ΔE 0.068
- Neon Purple #BC13FE ΔE 0.074
Use #B543D7 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.