#B578EF
Closest named color: Light Purple (#BF77F6). oklch(68.5% 0.177 305.9), rgb(181, 120, 239).
Aa
Black text reads best on this color (6.89:1).
About this color
#B578EF is a medium-light, vivid purple. In OKLCH its lightness is 68%, its chroma 0.177 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Purple (#BF77F6), ΔE 0.020 away. Black text reads best on it, at 6.89:1.
| Hue family | Purples |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.177) |
| Temperature | in between |
| Nearest name | Light Purple (#BF77F6) |
| Black text | 6.89:1 |
| White text | 3.04:1 |
Values
| HEX | #B578EF |
| RGB | rgb(181, 120, 239) |
| HSL | hsl(271, 79%, 70%) |
| OKLCH | oklch(68.5% 0.177 305.9) |
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 #B578EF | 3.04:1 | AA large text | Lc -62.4 | Content text, not long reading |
| Black text on #B578EF | 6.89:1 | AA | Lc 47.1 | Large or bold text, headings |
| #B578EF text on white | 3.04:1 | AA large text | Lc 57.0 | Large or bold text, headings |
| #B578EF text on black | 6.89:1 | AA | Lc -44.8 | 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
#F8F3FE
oklch(97.1% 0.015 306.4)
-
Step 100
100
#EFE5FB
oklch(93.6% 0.031 306.2)
-
Step 200
200
#E3CFFA
oklch(88.4% 0.062 306.2)
-
Step 300
300
#D2AEFA
oklch(80.9% 0.111 305.7)
-
Step 400
400 (this color)
#B578EF
oklch(68.5% 0.177 305.9)
-
Step 500
500
#AC57F3
oklch(63.1% 0.227 305.9)
-
Step 600
600
#9832E1
oklch(55.6% 0.246 306.1)
-
Step 700
700
#8221C4
oklch(49.1% 0.229 306)
-
Step 800
800
#69209E
oklch(42.6% 0.189 305.8)
-
Step 900
900
#55237E
oklch(37.7% 0.147 305.5)
-
Step 950
950
#32164A
oklch(27% 0.094 305.8)
#B578EF 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) | #5592F3 | 0.135 |
| Deuteranopia (no green cones) | #6794EC | 0.122 |
| Tritanopia (no blue cones) | #AC8DA9 | 0.129 |
| Achromatopsia (no color) | #949494 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B578EF
#B578EF
oklch(68.5% 0.177 305.9)
- #7FAB00
#7FAB00
oklch(68.4% 0.174 125.9)
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 #B578EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Purple #BF77F6 ΔE 0.020
- Light Urple #B36FF6 ΔE 0.024
- Easter Purple #C071FE ΔE 0.033
- Liliac #C48EFD ΔE 0.059
- Bright Lavender #C760FF ΔE 0.061
- Bright Lilac #C95EFB ΔE 0.063
- Periwinkle #8E82FE ΔE 0.065
- Medium Purple #9370DB ΔE 0.067
Use #B578EF 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.