#B578DB
Closest named color: Light Purple (#BF77F6). oklch(67.4% 0.154 311.3), rgb(181, 120, 219).
Aa
Black text reads best on this color (6.67:1).
About this color
#B578DB is a medium-light, vivid purple. In OKLCH its lightness is 67%, its chroma 0.154 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Purple (#BF77F6), ΔE 0.044 away. Black text reads best on it, at 6.67:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Light Purple (#BF77F6) |
| Black text | 6.67:1 |
| White text | 3.14:1 |
Values
| HEX | #B578DB |
| RGB | rgb(181, 120, 219) |
| HSL | hsl(277, 58%, 66%) |
| OKLCH | oklch(67.4% 0.154 311.3) |
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 #B578DB | 3.14:1 | AA large text | Lc -63.7 | Content text, not long reading |
| Black text on #B578DB | 6.67:1 | AA | Lc 45.7 | Large or bold text, headings |
| #B578DB text on white | 3.14:1 | AA large text | Lc 58.3 | Large or bold text, headings |
| #B578DB text on black | 6.67:1 | AA | Lc -43.4 | 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 400.
-
Step 50
50
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#F0E5F8
oklch(93.6% 0.028 311.3)
-
Step 200
200
#E5D0F4
oklch(88.6% 0.054 311.2)
-
Step 300
300
#D5AFEE
oklch(80.9% 0.096 311.6)
-
Step 400
400 (this color)
#B578DB
oklch(67.4% 0.154 311.3)
-
Step 500
500
#AF5EDE
oklch(63% 0.196 311.2)
-
Step 600
600
#9B3FCC
oklch(55.7% 0.213 311.3)
-
Step 700
700
#842FB0
oklch(49% 0.198 311.3)
-
Step 800
800
#6B298F
oklch(42.7% 0.164 311)
-
Step 900
900
#572772
oklch(37.6% 0.128 311.2)
-
Step 950
950
#331843
oklch(27% 0.082 311.1)
#B578DB 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) | #628EDF | 0.123 |
| Deuteranopia (no green cones) | #7392D8 | 0.111 |
| Tritanopia (no blue cones) | #B1879F | 0.108 |
| Achromatopsia (no color) | #919191 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B578DB
#B578DB
oklch(67.4% 0.154 311.3)
- #73A938
#73A938
oklch(67.4% 0.154 131.4)
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 #B578DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Purple #BF77F6 ΔE 0.044
- Wisteria #A87DC2 ΔE 0.047
- Light Urple #B36FF6 ΔE 0.049
- Easter Purple #C071FE ΔE 0.059
- Medium Purple #9370DB ΔE 0.062
- Pale Purple #B790D4 ΔE 0.063
- Soft Purple #A66FB5 ΔE 0.063
- Orchid #DA70D6 ΔE 0.064
Use #B578DB 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.