#905BC3
Closest named color: Deep Lavender (#8D5EB7). oklch(57.5% 0.16 305.5), rgb(144, 91, 195).
Aa
White text reads best on this color (4.69:1).
About this color
#905BC3 is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.160 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lavender (#8D5EB7), ΔE 0.021 away. White text reads best on it, at 4.69:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Deep Lavender (#8D5EB7) |
| Black text | 4.47:1 |
| White text | 4.69:1 |
Values
| HEX | #905BC3 |
| RGB | rgb(144, 91, 195) |
| HSL | hsl(271, 46%, 56%) |
| OKLCH | oklch(57.5% 0.16 305.5) |
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 #905BC3 | 4.69:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #905BC3 | 4.47:1 | AA large text | Lc 31.8 | Non-text elements, placeholder text |
| #905BC3 text on white | 4.69:1 | AA | Lc 72.3 | Content text, not long reading |
| #905BC3 text on black | 4.47:1 | AA large text | Lc -29.4 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE7F5
oklch(93.7% 0.02 305.3)
-
Step 200
200
#DFD3EF
oklch(88.5% 0.04 304.9)
-
Step 300
300
#CCB5E6
oklch(80.9% 0.072 306.1)
-
Step 400
400
#B28DDA
oklch(70.6% 0.116 305.7)
-
Step 500
500
#9F6FD0
oklch(63.1% 0.148 305.4)
-
Step 600
600 (this color)
#905BC3
oklch(57.5% 0.16 305.5)
-
Step 700
700
#7545A3
oklch(49.1% 0.149 305.1)
-
Step 800
800
#5F3984
oklch(42.6% 0.124 305.1)
-
Step 900
900
#4E326A
oklch(37.7% 0.097 305.3)
-
Step 950
950
#2E1E3E
oklch(27.1% 0.061 305.8)
#905BC3 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) | #3972C7 | 0.124 |
| Deuteranopia (no green cones) | #4A74C0 | 0.113 |
| Tritanopia (no blue cones) | #886E86 | 0.118 |
| Achromatopsia (no color) | #747474 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #905BC3
#905BC3
oklch(57.5% 0.16 305.5)
- #658700
#658700
oklch(57.6% 0.145 125.3)
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 #905BC3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lavender #8D5EB7 ΔE 0.021
- Amethyst #9B5FC0 ΔE 0.024
- Deep Lilac #966EBD ΔE 0.051
- Purpley #8756E4 ΔE 0.056
- Medium Purple #9370DB ΔE 0.057
- Purply #983FB2 ΔE 0.060
- Light Indigo #6D5ACF ΔE 0.063
- Slate Blue #6A5ACD ΔE 0.066
Use #905BC3 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.