#B573E5
Closest named color: Light Urple (#B36FF6). oklch(67.2% 0.173 309.2), rgb(181, 115, 229).
Aa
Black text reads best on this color (6.54:1).
About this color
#B573E5 is a medium-light, vivid purple. In OKLCH its lightness is 67%, its chroma 0.173 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Urple (#B36FF6), ΔE 0.029 away. Black text reads best on it, at 6.54:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.173) |
| Temperature | in between |
| Nearest name | Light Urple (#B36FF6) |
| Black text | 6.54:1 |
| White text | 3.20:1 |
Values
| HEX | #B573E5 |
| RGB | rgb(181, 115, 229) |
| HSL | hsl(275, 69%, 67%) |
| OKLCH | oklch(67.2% 0.173 309.2) |
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 #B573E5 | 3.20:1 | AA large text | Lc -64.4 | Content text, not long reading |
| Black text on #B573E5 | 6.54:1 | AA | Lc 45.1 | Large or bold text, headings |
| #B573E5 text on white | 3.20:1 | AA large text | Lc 59.0 | Large or bold text, headings |
| #B573E5 text on black | 6.54:1 | AA | Lc -42.7 | 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 400.
-
Step 50
50
#F8F3FD
oklch(97.1% 0.014 308.3)
-
Step 100
100
#F0E5FA
oklch(93.7% 0.03 309.1)
-
Step 200
200
#E5CFF8
oklch(88.5% 0.06 309.2)
-
Step 300
300
#D5ADF6
oklch(80.8% 0.109 309.1)
-
Step 400
400 (this color)
#B573E5
oklch(67.2% 0.173 309.2)
-
Step 500
500
#B156EC
oklch(63.1% 0.222 309.3)
-
Step 600
600
#9C32DA
oklch(55.5% 0.241 309.1)
-
Step 700
700
#8621BD
oklch(49.1% 0.224 309.4)
-
Step 800
800
#6D2099
oklch(42.8% 0.185 309.4)
-
Step 900
900
#58227A
oklch(37.7% 0.145 309.2)
-
Step 950
950
#331647
oklch(26.9% 0.09 308.8)
#B573E5 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) | #558DE9 | 0.139 |
| Deuteranopia (no green cones) | #6891E2 | 0.126 |
| Tritanopia (no blue cones) | #AF86A1 | 0.124 |
| Achromatopsia (no color) | #909090 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B573E5
#B573E5
oklch(67.2% 0.173 309.2)
- #73A913
#73A913
oklch(67.2% 0.174 129.2)
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 #B573E5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Urple #B36FF6 ΔE 0.029
- Light Purple #BF77F6 ΔE 0.031
- Easter Purple #C071FE ΔE 0.042
- Medium Purple #9370DB ΔE 0.059
- Bright Lavender #C760FF ΔE 0.063
- Bright Lilac #C95EFB ΔE 0.063
- Medium Orchid #BA55D3 ΔE 0.063
- Wisteria #A87DC2 ΔE 0.065
Use #B573E5 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.