#905CA3
Closest named color: Deep Lavender (#8D5EB7). oklch(55.9% 0.121 316.6), rgb(144, 92, 163).
Aa
White text reads best on this color (4.94:1).
About this color
#905CA3 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 56%, its chroma 0.121 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lavender (#8D5EB7), ΔE 0.031 away. White text reads best on it, at 4.94:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Deep Lavender (#8D5EB7) |
| Black text | 4.24:1 |
| White text | 4.94:1 |
Values
| HEX | #905CA3 |
| RGB | rgb(144, 92, 163) |
| HSL | hsl(284, 28%, 50%) |
| OKLCH | oklch(55.9% 0.121 316.6) |
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 #905CA3 | 4.94:1 | AA | Lc -79.5 | Fine for body text |
| Black text on #905CA3 | 4.24:1 | AA large text | Lc 30.0 | Non-text elements, placeholder text |
| #905CA3 text on white | 4.94:1 | AA | Lc 74.0 | Content text, not long reading |
| #905CA3 text on black | 4.24:1 | AA large text | Lc -27.7 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EEE7F1
oklch(93.6% 0.015 316)
-
Step 200
200
#E1D3E7
oklch(88.4% 0.031 315.9)
-
Step 300
300
#CFB6D8
oklch(80.8% 0.054 317.1)
-
Step 400
400
#B690C5
oklch(70.7% 0.086 316.3)
-
Step 500
500
#A474B6
oklch(63.2% 0.11 316.5)
-
Step 600
600 (this color)
#905CA3
oklch(55.9% 0.121 316.6)
-
Step 700
700
#7A4A8B
oklch(49.1% 0.114 316.8)
-
Step 800
800
#633D71
oklch(42.7% 0.094 316.5)
-
Step 900
900
#51355B
oklch(37.8% 0.072 316.8)
-
Step 950
950
#2F1F35
oklch(26.9% 0.045 316.5)
#905CA3 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) | #506DA6 | 0.102 |
| Deuteranopia (no green cones) | #5E72A1 | 0.093 |
| Tritanopia (no blue cones) | #8F6678 | 0.080 |
| Achromatopsia (no color) | #707070 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #905CA3
#905CA3
oklch(55.9% 0.121 316.6)
- #518438
#518438
oklch(55.9% 0.121 136.5)
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 #905CA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lavender #8D5EB7 ΔE 0.031
- Dark Lavender #856798 ΔE 0.040
- Amethyst #9B5FC0 ΔE 0.048
- Dark Lilac #9C6DA5 ΔE 0.050
- Muted Purple #805B87 ΔE 0.053
- Dusty Purple #825F87 ΔE 0.053
- Faded Purple #916E99 ΔE 0.053
- Light Plum #9D5783 ΔE 0.054
Use #905CA3 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.