#90589B
Closest named color: Dark Lavender (#856798). oklch(54.9% 0.119 320.9), rgb(144, 88, 155).
Aa
White text reads best on this color (5.17:1).
About this color
#90589B is a medium-dark, moderately saturated purple. In OKLCH its lightness is 55%, its chroma 0.119 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Lavender (#856798), ΔE 0.042 away. White text reads best on it, at 5.17:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Dark Lavender (#856798) |
| Black text | 4.05:1 |
| White text | 5.17:1 |
Values
| HEX | #90589B |
| RGB | rgb(144, 88, 155) |
| HSL | hsl(290, 28%, 48%) |
| OKLCH | oklch(54.9% 0.119 320.9) |
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 #90589B | 5.17:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #90589B | 4.05:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #90589B text on white | 5.17:1 | AA | Lc 75.4 | Fine for body text |
| #90589B text on black | 4.05:1 | AA large text | Lc -26.3 | 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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EFE7F0
oklch(93.7% 0.015 322.3)
-
Step 200
200
#E2D3E5
oklch(88.4% 0.029 320.6)
-
Step 300
300
#D1B6D6
oklch(80.9% 0.053 321)
-
Step 400
400
#B98FC1
oklch(70.6% 0.085 320.9)
-
Step 500
500
#A773B2
oklch(63.1% 0.109 320.4)
-
Step 600
600 (this color)
#90589B
oklch(54.9% 0.119 320.9)
-
Step 700
700
#7C4A86
oklch(49.1% 0.109 320.8)
-
Step 800
800
#653D6D
oklch(42.7% 0.091 320.8)
-
Step 900
900
#533459
oklch(37.7% 0.073 320.9)
-
Step 950
950
#301F34
oklch(27% 0.045 319.8)
#90589B 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) | #4F699D | 0.106 |
| Deuteranopia (no green cones) | #5E6F99 | 0.096 |
| Tritanopia (no blue cones) | #916072 | 0.074 |
| Achromatopsia (no color) | #6D6D6D | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90589B
#90589B
oklch(54.9% 0.119 320.9)
- #47823D
#47823D
oklch(54.9% 0.119 140.8)
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 #90589B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Lavender #856798 ΔE 0.042
- Deep Lavender #8D5EB7 ΔE 0.043
- Muted Purple #805B87 ΔE 0.044
- Light Plum #9D5783 ΔE 0.045
- Dusty Purple #825F87 ΔE 0.047
- Dull Purple #84597E ΔE 0.052
- Light Eggplant #894585 ΔE 0.054
- Dusky Purple #895B7B ΔE 0.055
Use #90589B 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.