#B451F0
Closest named color: Lighter Purple (#A55AF4). oklch(63.1% 0.234 309.9), rgb(180, 81, 240).
Aa
Black text reads best on this color (5.37:1).
About this color
#B451F0 is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.234 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 0.030 away. Black text reads best on it, at 5.37:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.234) |
| Temperature | in between |
| Nearest name | Lighter Purple (#A55AF4) |
| Black text | 5.37:1 |
| White text | 3.90:1 |
Values
| HEX | #B451F0 |
| RGB | rgb(180, 81, 240) |
| HSL | hsl(277, 84%, 63%) |
| OKLCH | oklch(63.1% 0.234 309.9) |
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 #B451F0 | 3.90:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #B451F0 | 5.37:1 | AA | Lc 38.4 | Non-text elements, placeholder text |
| #B451F0 text on white | 3.90:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #B451F0 text on black | 5.37:1 | 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)
#B451F0
oklch(63.1% 0.234 309.9)
-
Step 600
600
#A028DE
oklch(55.6% 0.254 310.1)
-
Step 700
700
#8915C1
oklch(49.1% 0.236 310)
-
Step 800
800
#6F199C
oklch(42.7% 0.195 309.9)
-
Step 900
900
#5A1F7C
oklch(37.8% 0.152 310)
-
Step 950
950
#351449
oklch(27.1% 0.097 310.1)
#B451F0 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) | #007DF5 | 0.203 |
| Deuteranopia (no green cones) | #3882EC | 0.187 |
| Tritanopia (no blue cones) | #AC729A | 0.161 |
| Achromatopsia (no color) | #818181 | 0.235 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B451F0
#B451F0
oklch(63.1% 0.234 309.9)
- #669C00
#669C00
oklch(63% 0.17 129.9)
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 #B451F0, closest first.
No curated palette has a color within ΔE 0.04 of #B451F0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lighter Purple #A55AF4 ΔE 0.030
- Medium Orchid #BA55D3 ΔE 0.047
- 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 0.068
- Neon Purple #BC13FE ΔE 0.068
Use #B451F0 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.