#B153C5
Closest named color: Medium Orchid (#BA55D3). oklch(60.4% 0.188 320.3), rgb(177, 83, 197).
Aa
Black text reads best on this color (4.91:1).
About this color
#B153C5 is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.188 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.026 away. Black text reads best on it, at 4.91:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.188) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 4.91:1 |
| White text | 4.27:1 |
Values
| HEX | #B153C5 |
| RGB | rgb(177, 83, 197) |
| HSL | hsl(289, 50%, 55%) |
| OKLCH | oklch(60.4% 0.188 320.3) |
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 #B153C5 | 4.27:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #B153C5 | 4.91:1 | AA | Lc 35.1 | Non-text elements, placeholder text |
| #B153C5 text on white | 4.27:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #B153C5 text on black | 4.91:1 | AA | Lc -32.7 | 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
#F9F3FB
oklch(97.1% 0.012 317.7)
-
Step 100
100
#F2E4F5
oklch(93.5% 0.027 320.2)
-
Step 200
200
#E9CFEE
oklch(88.5% 0.05 320.8)
-
Step 300
300
#DCAEE6
oklch(81% 0.092 320.3)
-
Step 400
400
#C980D9
oklch(70.7% 0.147 320.2)
-
Step 500
500 (this color)
#B153C5
oklch(60.4% 0.188 320.3)
-
Step 600
600
#A53CBB
oklch(55.5% 0.205 320.2)
-
Step 700
700
#8D2DA1
oklch(49% 0.19 320.1)
-
Step 800
800
#732782
oklch(42.7% 0.157 320.6)
-
Step 900
900
#5D2669
oklch(37.7% 0.123 320.1)
-
Step 950
950
#37173D
oklch(27% 0.078 321.1)
#B153C5 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) | #3B74C9 | 0.180 |
| Deuteranopia (no green cones) | #5D7EC2 | 0.157 |
| Tritanopia (no blue cones) | #B26484 | 0.116 |
| Achromatopsia (no color) | #7A7A7A | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B153C5
#B153C5
oklch(60.4% 0.188 320.3)
- #329A13
#329A13
oklch(60.3% 0.187 140.2)
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 #B153C5, closest first.
No curated palette has a color within ΔE 0.04 of #B153C5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.026
- Amethyst #9B5FC0 ΔE 0.045
- Pinky Purple #C94CBE ΔE 0.046
- Purpley Pink #C83CB9 ΔE 0.055
- Purply #983FB2 ΔE 0.069
- Deep Lavender #8D5EB7 ΔE 0.070
- Soft Purple #A66FB5 ΔE 0.072
- Deep Lilac #966EBD ΔE 0.075
Use #B153C5 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.