#905BB0
Closest named color: Deep Lavender (#8D5EB7). oklch(56.4% 0.138 311.5), rgb(144, 91, 176).
Aa
White text reads best on this color (4.87:1).
About this color
#905BB0 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 56%, its chroma 0.138 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lavender (#8D5EB7), ΔE 0.013 away. White text reads best on it, at 4.87:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Deep Lavender (#8D5EB7) |
| Black text | 4.30:1 |
| White text | 4.87:1 |
Values
| HEX | #905BB0 |
| RGB | rgb(144, 91, 176) |
| HSL | hsl(277, 35%, 52%) |
| OKLCH | oklch(56.4% 0.138 311.5) |
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 #905BB0 | 4.87:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #905BB0 | 4.30:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #905BB0 text on white | 4.87:1 | AA | Lc 73.5 | Content text, not long reading |
| #905BB0 text on black | 4.30:1 | AA large text | Lc -28.2 | 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
#EEE7F3
oklch(93.7% 0.018 311.6)
-
Step 200
200
#E1D3EA
oklch(88.5% 0.035 312.4)
-
Step 300
300
#CEB6DE
oklch(80.9% 0.061 311.8)
-
Step 400
400
#B58FCE
oklch(70.8% 0.099 311.4)
-
Step 500
500
#A272C1
oklch(63.1% 0.126 311.1)
-
Step 600
600 (this color)
#905BB0
oklch(56.4% 0.138 311.5)
-
Step 700
700
#784895
oklch(49.1% 0.128 311.3)
-
Step 800
800
#623C79
oklch(42.8% 0.106 311.4)
-
Step 900
900
#503461
oklch(37.8% 0.081 311.7)
-
Step 950
950
#2F1E39
oklch(26.9% 0.053 312.1)
#905BB0 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) | #476EB3 | 0.112 |
| Deuteranopia (no green cones) | #5672AE | 0.101 |
| Tritanopia (no blue cones) | #8D687D | 0.095 |
| Achromatopsia (no color) | #717171 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #905BB0
#905BB0
oklch(56.4% 0.138 311.5)
- #578522
#578522
oklch(56.3% 0.137 131.5)
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 #905BB0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lavender #8D5EB7 ΔE 0.013
- Amethyst #9B5FC0 ΔE 0.032
- Deep Lilac #966EBD ΔE 0.049
- Dark Lavender #856798 ΔE 0.056
- Dark Lilac #9C6DA5 ΔE 0.058
- Purply #983FB2 ΔE 0.060
- Soft Purple #A66FB5 ΔE 0.065
- Faded Purple #916E99 ΔE 0.068
Use #905BB0 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.