#B451D8
Closest named color: Medium Orchid (#BA55D3). oklch(61.6% 0.21 315.9), rgb(180, 81, 216).
Aa
Black text reads best on this color (5.10:1).
About this color
#B451D8 is a medium-dark, vivid purple. In OKLCH its lightness is 62%, its chroma 0.210 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.017 away. Black text reads best on it, at 5.10:1.
| Hue family | Purples |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.210) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 5.10:1 |
| White text | 4.11:1 |
Values
| HEX | #B451D8 |
| RGB | rgb(180, 81, 216) |
| HSL | hsl(284, 63%, 58%) |
| OKLCH | oklch(61.6% 0.21 315.9) |
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 #B451D8 | 4.11:1 | AA large text | Lc -73.1 | Content text, not long reading |
| Black text on #B451D8 | 5.10:1 | AA | Lc 36.5 | Non-text elements, placeholder text |
| #B451D8 text on white | 4.11:1 | AA large text | Lc 67.6 | Content text, not long reading |
| #B451D8 text on black | 5.10:1 | AA | Lc -34.1 | 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
#F9F3FC
oklch(97.1% 0.013 314.8)
-
Step 100
100
#F2E4F8
oklch(93.6% 0.031 315.9)
-
Step 200
200
#E8CEF3
oklch(88.4% 0.057 315.9)
-
Step 300
300
#DBACEE
oklch(80.9% 0.104 316)
-
Step 400
400
#C87DE5
oklch(70.7% 0.165 316)
-
Step 500
500 (this color)
#B451D8
oklch(61.6% 0.21 315.9)
-
Step 600
600
#A433CB
oklch(55.6% 0.229 315.7)
-
Step 700
700
#8D23AF
oklch(49.2% 0.212 316.1)
-
Step 800
800
#72208E
oklch(42.6% 0.177 315.7)
-
Step 900
900
#5D2271
oklch(37.7% 0.137 316.4)
-
Step 950
950
#361642
oklch(27% 0.085 315.8)
#B451D8 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) | #2177DC | 0.199 |
| Deuteranopia (no green cones) | #5180D5 | 0.172 |
| Tritanopia (no blue cones) | #B2698D | 0.137 |
| Achromatopsia (no color) | #7D7D7D | 0.212 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B451D8
#B451D8
oklch(61.6% 0.21 315.9)
- #4C9C00
#4C9C00
oklch(61.7% 0.183 135.8)
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 #B451D8, closest first.
No curated palette has a color within ΔE 0.04 of #B451D8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.017
- Lighter Purple #A55AF4 ΔE 0.052
- Pinky Purple #C94CBE ΔE 0.057
- Amethyst #9B5FC0 ΔE 0.063
- Purpley Pink #C83CB9 ΔE 0.065
- Bright Lilac #C95EFB ΔE 0.067
- Light Urple #B36FF6 ΔE 0.070
- Bright Lavender #C760FF ΔE 0.071
Use #B451D8 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.