#905A9D
Closest named color: Dark Lavender (#856798). oklch(55.3% 0.117 319.7), rgb(144, 90, 157).
Aa
White text reads best on this color (5.07:1).
About this color
#905A9D is a medium-dark, moderately saturated purple. In OKLCH its lightness is 55%, its chroma 0.117 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Lavender (#856798), ΔE 0.039 away. White text reads best on it, at 5.07:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Dark Lavender (#856798) |
| Black text | 4.13:1 |
| White text | 5.07:1 |
Values
| HEX | #905A9D |
| RGB | rgb(144, 90, 157) |
| HSL | hsl(288, 27%, 48%) |
| OKLCH | oklch(55.3% 0.117 319.7) |
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 #905A9D | 5.07:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #905A9D | 4.13:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #905A9D text on white | 5.07:1 | AA | Lc 74.9 | Content text, not long reading |
| #905A9D text on black | 4.13:1 | AA large text | Lc -26.9 | 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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EEE7F0
oklch(93.6% 0.014 318.7)
-
Step 200
200
#E2D3E6
oklch(88.5% 0.03 319.1)
-
Step 300
300
#D0B6D6
oklch(80.8% 0.053 319.9)
-
Step 400
400
#B890C2
oklch(70.8% 0.084 319.5)
-
Step 500
500
#A673B2
oklch(63% 0.108 319.8)
-
Step 600
600 (this color)
#905A9D
oklch(55.3% 0.117 319.7)
-
Step 700
700
#7B4A87
oklch(49% 0.109 319.5)
-
Step 800
800
#643D6E
oklch(42.6% 0.091 319.2)
-
Step 900
900
#523559
oklch(37.8% 0.07 319.7)
-
Step 950
950
#301F34
oklch(27% 0.045 319.8)
#905A9D 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) | #506B9F | 0.104 |
| Deuteranopia (no green cones) | #5F709B | 0.093 |
| Tritanopia (no blue cones) | #916274 | 0.074 |
| Achromatopsia (no color) | #6E6E6E | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #905A9D
#905A9D
oklch(55.3% 0.117 319.7)
- #4B833D
#4B833D
oklch(55.4% 0.118 139.6)
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 #905A9D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Lavender #856798 ΔE 0.039
- Deep Lavender #8D5EB7 ΔE 0.040
- Muted Purple #805B87 ΔE 0.046
- Light Plum #9D5783 ΔE 0.046
- Dusty Purple #825F87 ΔE 0.047
- Dull Purple #84597E ΔE 0.054
- Dark Lilac #9C6DA5 ΔE 0.054
- Faded Purple #916E99 ΔE 0.054
Use #905A9D 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.