#905BBB
Closest named color: Deep Lavender (#8D5EB7). oklch(57.1% 0.151 307.8), rgb(144, 91, 187).
Aa
White text reads best on this color (4.77:1).
About this color
#905BBB is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.151 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lavender (#8D5EB7), ΔE 0.011 away. White text reads best on it, at 4.77:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Deep Lavender (#8D5EB7) |
| Black text | 4.39:1 |
| White text | 4.77:1 |
Values
| HEX | #905BBB |
| RGB | rgb(144, 91, 187) |
| HSL | hsl(273, 41%, 55%) |
| OKLCH | oklch(57.1% 0.151 307.8) |
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 #905BBB | 4.77:1 | AA | Lc -78.3 | Fine for body text |
| Black text on #905BBB | 4.39:1 | AA large text | Lc 31.2 | Non-text elements, placeholder text |
| #905BBB text on white | 4.77:1 | AA | Lc 72.9 | Content text, not long reading |
| #905BBB text on black | 4.39:1 | AA large text | Lc -28.8 | Dividers and decoration only |
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 600.
-
Step 50
50
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EDE7F4
oklch(93.6% 0.018 306.7)
-
Step 200
200
#E0D3ED
oklch(88.5% 0.038 308)
-
Step 300
300
#CDB5E3
oklch(80.9% 0.069 308.4)
-
Step 400
400
#B38ED5
oklch(70.7% 0.108 307.7)
-
Step 500
500
#A170CA
oklch(63.1% 0.14 308)
-
Step 600
600 (this color)
#905BBB
oklch(57.1% 0.151 307.8)
-
Step 700
700
#77469D
oklch(49.1% 0.141 308.1)
-
Step 800
800
#603A7F
oklch(42.6% 0.116 307.6)
-
Step 900
900
#4F3366
oklch(37.8% 0.09 308)
-
Step 950
950
#2E1E3C
oklch(27% 0.058 307.5)
#905BBB 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) | #4070BE | 0.119 |
| Deuteranopia (no green cones) | #4F73B9 | 0.108 |
| Tritanopia (no blue cones) | #8A6C82 | 0.110 |
| Achromatopsia (no color) | #737373 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #905BBB
#905BBB
oklch(57.1% 0.151 307.8)
- #5E8700
#5E8700
oklch(57.1% 0.149 127.9)
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 #905BBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lavender #8D5EB7 ΔE 0.011
- Amethyst #9B5FC0 ΔE 0.023
- Deep Lilac #966EBD ΔE 0.048
- Purply #983FB2 ΔE 0.058
- Medium Purple #9370DB ΔE 0.064
- Dark Lilac #9C6DA5 ΔE 0.068
- Purpley #8756E4 ΔE 0.068
- Light Indigo #6D5ACF ΔE 0.068
Use #905BBB 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.