#B451EF
Closest named color: Lighter Purple (#A55AF4). oklch(63.1% 0.233 310.1), rgb(180, 81, 239).
Aa
Black text reads best on this color (5.36:1).
About this color
#B451EF is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.233 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Lighter Purple (#A55AF4), ΔE 0.031 away. Black text reads best on it, at 5.36:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.233) |
| Temperature | in between |
| Nearest name | Lighter Purple (#A55AF4) |
| Black text | 5.36:1 |
| White text | 3.91:1 |
Values
| HEX | #B451EF |
| RGB | rgb(180, 81, 239) |
| HSL | hsl(278, 83%, 63%) |
| OKLCH | oklch(63.1% 0.233 310.1) |
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 #B451EF | 3.91:1 | AA large text | Lc -71.3 | Content text, not long reading |
| Black text on #B451EF | 5.36:1 | AA | Lc 38.3 | Non-text elements, placeholder text |
| #B451EF text on white | 3.91:1 | AA large text | Lc 65.8 | Content text, not long reading |
| #B451EF text on black | 5.36:1 | AA | Lc -35.9 | 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 500.
-
Step 50
50
#F9F3FD
oklch(97.2% 0.015 312.2)
-
Step 100
100
#F1E4FB
oklch(93.6% 0.034 310.7)
-
Step 200
200
#E6CEF9
oklch(88.5% 0.063 310.1)
-
Step 300
300
#D7ACF8
oklch(80.9% 0.114 309.8)
-
Step 400
400
#C37BF4
oklch(70.7% 0.183 310)
-
Step 500
500 (this color)
#B451EF
oklch(63.1% 0.233 310.1)
-
Step 600
600
#A029DD
oklch(55.6% 0.252 310.2)
-
Step 700
700
#8916C0
oklch(49.1% 0.235 310.2)
-
Step 800
800
#6F199B
oklch(42.6% 0.194 310.2)
-
Step 900
900
#5A1F7C
oklch(37.8% 0.152 310)
-
Step 950
950
#351448
oklch(27% 0.096 310.8)
#B451EF 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) | #007CF4 | 0.203 |
| Deuteranopia (no green cones) | #3A82EB | 0.186 |
| Tritanopia (no blue cones) | #AC729A | 0.159 |
| Achromatopsia (no color) | #818181 | 0.234 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B451EF
#B451EF
oklch(63.1% 0.233 310.1)
- #659C00
#659C00
oklch(63% 0.17 130.2)
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 #B451EF, closest first.
No curated palette has a color within ΔE 0.04 of #B451EF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lighter Purple #A55AF4 ΔE 0.031
- Medium Orchid #BA55D3 ΔE 0.046
- Bright Lilac #C95EFB ΔE 0.049
- Bright Lavender #C760FF ΔE 0.050
- Light Urple #B36FF6 ΔE 0.058
- Heliotrope #D94FF5 ΔE 0.068
- Electric Purple #AA23FF ΔE 0.069
- Neon Purple #BC13FE ΔE 0.069
Use #B451EF 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.