#593B90
Closest named color: Dark Slate Blue (#483D8B). oklch(43.1% 0.135 296.6), rgb(89, 59, 144).
Aa
White text reads best on this color (8.56:1).
About this color
#593B90 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.135 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.031 away. White text reads best on it, at 8.56:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.45:1 |
| White text | 8.56:1 |
Values
| HEX | #593B90 |
| RGB | rgb(89, 59, 144) |
| HSL | hsl(261, 42%, 40%) |
| OKLCH | oklch(43.1% 0.135 296.6) |
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 #593B90 | 8.56:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #593B90 | 2.45:1 | Fails | Lc 14.9 | Not readable |
| #593B90 text on white | 8.56:1 | AAA | Lc 89.1 | Fine for body text |
| #593B90 text on black | 2.45:1 | Fails | Lc -13.1 | Not readable |
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 800.
-
Step 50
50
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F8
oklch(93.6% 0.023 296.7)
-
Step 200
200
#DBD4F3
oklch(88.5% 0.043 295.9)
-
Step 300
300
#C5B7EE
oklch(81% 0.078 296.3)
-
Step 400
400
#A98FE6
oklch(70.8% 0.127 296.8)
-
Step 500
500
#9471DE
oklch(63.1% 0.16 296.3)
-
Step 600
600
#8056CC
oklch(55.7% 0.176 296.7)
-
Step 700
700
#6C45B0
oklch(49% 0.163 296.7)
-
Step 800
800 (this color)
#593B90
oklch(43.1% 0.135 296.6)
-
Step 900
900
#483372
oklch(37.8% 0.105 296.4)
-
Step 950
950
#2A1E43
oklch(27% 0.067 296.6)
#593B90 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) | #0D4D93 | 0.094 |
| Deuteranopia (no green cones) | #1B4B8E | 0.087 |
| Tritanopia (no blue cones) | #4C4D5F | 0.107 |
| Achromatopsia (no color) | #4C4C4C | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #593B90
#593B90
oklch(43.1% 0.135 296.6)
- #4D5600
#4D5600
oklch(43% 0.099 116.5)
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 #593B90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.031
- Rebecca Purple #663399 ΔE 0.032
- Blueberry #464196 ΔE 0.035
- Twilight #4E518B ΔE 0.060
- Dusk #4E5481 ΔE 0.076
- Cobalt #1E488F ΔE 0.084
- Chrysanthemum #560BAD ΔE 0.085
- Blue With A Hint Of Purple #533CC6 ΔE 0.088
Use #593B90 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.