#B66FF1
Closest named color: Light Urple (#B36FF6). oklch(67.3% 0.193 307.2), rgb(182, 111, 241).
Aa
Black text reads best on this color (6.53:1).
About this color
#B66FF1 is a medium-light, vivid purple. In OKLCH its lightness is 67%, its chroma 0.193 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Urple (#B36FF6), ΔE 0.009 away. Black text reads best on it, at 6.53:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.193) |
| Temperature | in between |
| Nearest name | Light Urple (#B36FF6) |
| Black text | 6.53:1 |
| White text | 3.21:1 |
Values
| HEX | #B66FF1 |
| RGB | rgb(182, 111, 241) |
| HSL | hsl(273, 82%, 69%) |
| OKLCH | oklch(67.3% 0.193 307.2) |
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 #B66FF1 | 3.21:1 | AA large text | Lc -64.4 | Content text, not long reading |
| Black text on #B66FF1 | 6.53:1 | AA | Lc 45.1 | Large or bold text, headings |
| #B66FF1 text on white | 3.21:1 | AA large text | Lc 59.0 | Large or bold text, headings |
| #B66FF1 text on black | 6.53:1 | 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
#F8F3FE
oklch(97.1% 0.015 306.4)
-
Step 100
100
#F0E4FD
oklch(93.6% 0.036 307.2)
-
Step 200
200
#E5CEFC
oklch(88.5% 0.067 307.6)
-
Step 300
300
#D5ABFE
oklch(80.8% 0.122 307)
-
Step 400
400 (this color)
#B66FF1
oklch(67.3% 0.193 307.2)
-
Step 500
500
#B24DFA
oklch(63.1% 0.248 307.4)
-
Step 600
600
#9E1EE9
oklch(55.6% 0.269 307.3)
-
Step 700
700
#8704CB
oklch(49.1% 0.25 307.1)
-
Step 800
800
#6D11A4
oklch(42.6% 0.207 306.9)
-
Step 900
900
#591C82
oklch(37.8% 0.161 307.4)
-
Step 950
950
#34134C
oklch(27% 0.102 307.4)
#B66FF1 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) | #448DF5 | 0.156 |
| Deuteranopia (no green cones) | #5C90EE | 0.140 |
| Tritanopia (no blue cones) | #AD87A6 | 0.139 |
| Achromatopsia (no color) | #8F8F8F | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B66FF1
#B66FF1
oklch(67.3% 0.193 307.2)
- #79A800
#79A800
oklch(67.2% 0.173 127)
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 #B66FF1, closest first.
No curated palette has a color within ΔE 0.04 of #B66FF1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Urple #B36FF6 ΔE 0.009
- Light Purple #BF77F6 ΔE 0.025
- Easter Purple #C071FE ΔE 0.026
- Bright Lavender #C760FF ΔE 0.045
- Bright Lilac #C95EFB ΔE 0.047
- Lighter Purple #A55AF4 ΔE 0.056
- Medium Orchid #BA55D3 ΔE 0.064
- Medium Purple #9370DB ΔE 0.067
Use #B66FF1 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.