#90559B
Closest named color: Deep Lavender (#8D5EB7). oklch(54.4% 0.124 321.1), rgb(144, 85, 155).
Aa
White text reads best on this color (5.30:1).
About this color
#90559B is a medium-dark, moderately saturated purple. In OKLCH its lightness is 54%, its chroma 0.124 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lavender (#8D5EB7), ΔE 0.045 away. White text reads best on it, at 5.30:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Deep Lavender (#8D5EB7) |
| Black text | 3.95:1 |
| White text | 5.30:1 |
Values
| HEX | #90559B |
| RGB | rgb(144, 85, 155) |
| HSL | hsl(291, 29%, 47%) |
| OKLCH | oklch(54.4% 0.124 321.1) |
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 #90559B | 5.30:1 | AA | Lc -81.5 | Fine for body text |
| Black text on #90559B | 3.95:1 | AA large text | Lc 27.9 | Dividers and decoration only |
| #90559B text on white | 5.30:1 | AA | Lc 76.1 | Fine for body text |
| #90559B text on black | 3.95:1 | AA large text | Lc -25.6 | 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
#EFE6F1
oklch(93.5% 0.018 320.1)
-
Step 200
200
#E3D3E6
oklch(88.5% 0.031 320.9)
-
Step 300
300
#D2B5D7
oklch(80.9% 0.057 321.3)
-
Step 400
400
#BA8EC3
oklch(70.6% 0.09 320.6)
-
Step 500
500
#A971B3
oklch(63.1% 0.115 321.3)
-
Step 600
600 (this color)
#90559B
oklch(54.4% 0.124 321.1)
-
Step 700
700
#7E4888
oklch(49.1% 0.116 321.2)
-
Step 800
800
#663C6E
oklch(42.7% 0.094 321)
-
Step 900
900
#533359
oklch(37.5% 0.075 321.1)
-
Step 950
950
#311E34
oklch(26.9% 0.048 321.9)
#90559B 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) | #4B679D | 0.113 |
| Deuteranopia (no green cones) | #5C6E99 | 0.101 |
| Tritanopia (no blue cones) | #915E71 | 0.077 |
| Achromatopsia (no color) | #6B6B6B | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90559B
#90559B
oklch(54.4% 0.124 321.1)
- #428139
#428139
oklch(54.4% 0.124 141.3)
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 #90559B, closest first.
No curated palette has a color within ΔE 0.04 of #90559B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lavender #8D5EB7 ΔE 0.045
- Muted Purple #805B87 ΔE 0.047
- Light Plum #9D5783 ΔE 0.047
- Light Eggplant #894585 ΔE 0.048
- Dark Lavender #856798 ΔE 0.049
- Dusty Purple #825F87 ΔE 0.051
- Dull Purple #84597E ΔE 0.054
- Dusky Purple #895B7B ΔE 0.058
Use #90559B 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.