#905BB9
Closest named color: Deep Lavender (#8D5EB7). oklch(56.9% 0.148 308.4), rgb(144, 91, 185).
Aa
White text reads best on this color (4.79:1).
About this color
#905BB9 is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.148 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 0.009 away. White text reads best on it, at 4.79:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Deep Lavender (#8D5EB7) |
| Black text | 4.38:1 |
| White text | 4.79:1 |
Values
| HEX | #905BB9 |
| RGB | rgb(144, 91, 185) |
| HSL | hsl(274, 40%, 54%) |
| OKLCH | oklch(56.9% 0.148 308.4) |
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 #905BB9 | 4.79:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #905BB9 | 4.38:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #905BB9 text on white | 4.79:1 | AA | Lc 73.0 | Content text, not long reading |
| #905BB9 text on black | 4.38:1 | AA large text | Lc -28.7 | 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
#E0D3EC
oklch(88.5% 0.037 308.8)
-
Step 300
300
#CDB6E2
oklch(81% 0.066 308.5)
-
Step 400
400
#B38ED4
oklch(70.7% 0.107 308)
-
Step 500
500
#A170C8
oklch(63% 0.137 308.6)
-
Step 600
600 (this color)
#905BB9
oklch(56.9% 0.148 308.4)
-
Step 700
700
#77479B
oklch(49.2% 0.137 308.6)
-
Step 800
800
#613B7E
oklch(42.8% 0.113 308.5)
-
Step 900
900
#4F3365
oklch(37.7% 0.088 308.6)
-
Step 950
950
#2E1E3B
oklch(26.9% 0.056 308.5)
#905BB9 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) | #4170BC | 0.118 |
| Deuteranopia (no green cones) | #5173B7 | 0.106 |
| Tritanopia (no blue cones) | #8A6B81 | 0.107 |
| Achromatopsia (no color) | #727272 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #905BB9
#905BB9
oklch(56.9% 0.148 308.4)
- #5C8705
#5C8705
oklch(57% 0.149 128.7)
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 #905BB9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lavender #8D5EB7 ΔE 0.009
- Amethyst #9B5FC0 ΔE 0.024
- Deep Lilac #966EBD ΔE 0.048
- Purply #983FB2 ΔE 0.058
- Dark Lilac #9C6DA5 ΔE 0.066
- Medium Purple #9370DB ΔE 0.066
- Soft Purple #A66FB5 ΔE 0.067
- Dark Lavender #856798 ΔE 0.068
Use #905BB9 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.