#905BA1
Closest named color: Deep Lavender (#8D5EB7). oklch(55.7% 0.12 317.6), rgb(144, 91, 161).
Aa
White text reads best on this color (5.00:1).
About this color
#905BA1 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 56%, its chroma 0.120 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lavender (#8D5EB7), ΔE 0.034 away. White text reads best on it, at 5.00:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Deep Lavender (#8D5EB7) |
| Black text | 4.19:1 |
| White text | 5.00:1 |
Values
| HEX | #905BA1 |
| RGB | rgb(144, 91, 161) |
| HSL | hsl(285, 28%, 49%) |
| OKLCH | oklch(55.7% 0.12 317.6) |
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 #905BA1 | 5.00:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #905BA1 | 4.19:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #905BA1 text on white | 5.00:1 | AA | Lc 74.4 | Content text, not long reading |
| #905BA1 text on black | 4.19:1 | AA large text | Lc -27.3 | 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
#E2D3E6
oklch(88.5% 0.03 319.1)
-
Step 300
300
#CFB6D8
oklch(80.8% 0.054 317.1)
-
Step 400
400
#B790C4
oklch(70.7% 0.086 317.6)
-
Step 500
500
#A573B5
oklch(63.1% 0.111 317.7)
-
Step 600
600 (this color)
#905BA1
oklch(55.7% 0.12 317.6)
-
Step 700
700
#7A4A8A
oklch(49% 0.112 317.3)
-
Step 800
800
#633D70
oklch(42.6% 0.093 317.1)
-
Step 900
900
#51355A
oklch(37.7% 0.071 317.7)
-
Step 950
950
#301F35
oklch(27% 0.046 318.4)
#905BA1 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) | #506CA4 | 0.103 |
| Deuteranopia (no green cones) | #5E719F | 0.093 |
| Tritanopia (no blue cones) | #906476 | 0.078 |
| Achromatopsia (no color) | #6F6F6F | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #905BA1
#905BA1
oklch(55.7% 0.12 317.6)
- #4F8339
#4F8339
oklch(55.6% 0.12 137.3)
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 #905BA1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lavender #8D5EB7 ΔE 0.034
- Dark Lavender #856798 ΔE 0.040
- Muted Purple #805B87 ΔE 0.050
- Dusty Purple #825F87 ΔE 0.051
- Light Plum #9D5783 ΔE 0.051
- Amethyst #9B5FC0 ΔE 0.051
- Dark Lilac #9C6DA5 ΔE 0.052
- Faded Purple #916E99 ΔE 0.054
Use #905BA1 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.