#B181E4
Closest named color: Light Purple (#BF77F6). oklch(68.9% 0.148 305.2), rgb(177, 129, 228).
Aa
Black text reads best on this color (7.12:1).
About this color
#B181E4 is a medium-light, vivid purple. In OKLCH its lightness is 69%, its chroma 0.148 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Purple (#BF77F6), ΔE 0.043 away. Black text reads best on it, at 7.12:1.
| Hue family | Purples |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Light Purple (#BF77F6) |
| Black text | 7.12:1 |
| White text | 2.94:1 |
Values
| HEX | #B181E4 |
| RGB | rgb(177, 129, 228) |
| HSL | hsl(269, 65%, 70%) |
| OKLCH | oklch(68.9% 0.148 305.2) |
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 #B181E4 | 2.94:1 | Fails | Lc -61.1 | Content text, not long reading |
| Black text on #B181E4 | 7.12:1 | AAA | Lc 48.3 | Large or bold text, headings |
| #B181E4 text on white | 2.94:1 | Fails | Lc 55.8 | Large or bold text, headings |
| #B181E4 text on black | 7.12:1 | AAA | Lc -46.0 | Large or bold text, headings |
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
#F7F3FC
oklch(97% 0.013 306)
-
Step 100
100
#EEE6F9
oklch(93.7% 0.027 304.8)
-
Step 200
200
#E1D1F5
oklch(88.5% 0.052 305.4)
-
Step 300
300
#CFB2F1
oklch(81% 0.092 305.4)
-
Step 400
400 (this color)
#B181E4
oklch(68.9% 0.148 305.2)
-
Step 500
500
#A564E3
oklch(63.1% 0.189 305.2)
-
Step 600
600
#9146D1
oklch(55.6% 0.207 305.4)
-
Step 700
700
#7B36B5
oklch(49% 0.192 305.2)
-
Step 800
800
#642E93
oklch(42.7% 0.16 305)
-
Step 900
900
#512B75
oklch(37.7% 0.124 304.8)
-
Step 950
950
#301A44
oklch(27% 0.078 306)
#B181E4 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) | #6895E8 | 0.106 |
| Deuteranopia (no green cones) | #7497E1 | 0.098 |
| Tritanopia (no blue cones) | #A991A8 | 0.110 |
| Achromatopsia (no color) | #969696 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B181E4
#B181E4
oklch(68.9% 0.148 305.2)
- #86AA36
#86AA36
oklch(68.8% 0.148 125.1)
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 #B181E4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Purple #BF77F6 ΔE 0.043
- Pale Purple #B790D4 ΔE 0.051
- Wisteria #A87DC2 ΔE 0.052
- Light Urple #B36FF6 ΔE 0.053
- Liliac #C48EFD ΔE 0.055
- Perrywinkle #8F8CE7 ΔE 0.055
- Easter Purple #C071FE ΔE 0.060
- Lavender Blue #8B88F8 ΔE 0.063
Use #B181E4 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.