#B451C5
Closest named color: Medium Orchid (#BA55D3). oklch(60.5% 0.192 321.6), rgb(180, 81, 197).
Aa
Black text reads best on this color (4.92:1).
About this color
#B451C5 is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.192 and its hue 322°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.024 away. Black text reads best on it, at 4.92:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.192) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 4.92:1 |
| White text | 4.26:1 |
Values
| HEX | #B451C5 |
| RGB | rgb(180, 81, 197) |
| HSL | hsl(291, 50%, 55%) |
| OKLCH | oklch(60.5% 0.192 321.6) |
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 #B451C5 | 4.26:1 | AA large text | Lc -74.4 | Content text, not long reading |
| Black text on #B451C5 | 4.92:1 | AA | Lc 35.2 | Non-text elements, placeholder text |
| #B451C5 text on white | 4.26:1 | AA large text | Lc 68.9 | Content text, not long reading |
| #B451C5 text on black | 4.92:1 | AA | Lc -32.8 | 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
#FAF3FB
oklch(97.2% 0.013 321.9)
-
Step 100
100
#F3E4F5
oklch(93.6% 0.028 322.2)
-
Step 200
200
#EACEEE
oklch(88.4% 0.053 322)
-
Step 300
300
#DDADE5
oklch(80.9% 0.093 321.6)
-
Step 400
400
#CB7ED8
oklch(70.6% 0.151 321.6)
-
Step 500
500 (this color)
#B451C5
oklch(60.5% 0.192 321.6)
-
Step 600
600
#A839BA
oklch(55.6% 0.209 321.8)
-
Step 700
700
#902AA1
oklch(49.2% 0.195 321.5)
-
Step 800
800
#752582
oklch(42.7% 0.161 321.7)
-
Step 900
900
#5F2568
oklch(37.8% 0.124 322.1)
-
Step 950
950
#38173D
oklch(27.1% 0.079 322.2)
#B451C5 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) | #3A73C9 | 0.187 |
| Deuteranopia (no green cones) | #5E7EC2 | 0.162 |
| Tritanopia (no blue cones) | #B66283 | 0.118 |
| Achromatopsia (no color) | #7A7A7A | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B451C5
#B451C5
oklch(60.5% 0.192 321.6)
- #269C16
#269C16
oklch(60.6% 0.192 141.6)
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 #B451C5, closest first.
No curated palette has a color within ΔE 0.04 of #B451C5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.024
- Pinky Purple #C94CBE ΔE 0.041
- Purpley Pink #C83CB9 ΔE 0.049
- Amethyst #9B5FC0 ΔE 0.051
- Purply #983FB2 ΔE 0.071
- Deep Lavender #8D5EB7 ΔE 0.076
- Soft Purple #A66FB5 ΔE 0.076
- Lighter Purple #A55AF4 ΔE 0.077
Use #B451C5 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.