#593B8F
Closest named color: Dark Slate Blue (#483D8B). oklch(43% 0.134 296.9), rgb(89, 59, 143).
Aa
White text reads best on this color (8.58:1).
About this color
#593B8F is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.134 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 8.58:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.44:1 |
| White text | 8.58:1 |
Values
| HEX | #593B8F |
| RGB | rgb(89, 59, 143) |
| HSL | hsl(261, 42%, 40%) |
| OKLCH | oklch(43% 0.134 296.9) |
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 #593B8F | 8.58:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #593B8F | 2.44:1 | Fails | Lc 14.8 | Not readable |
| #593B8F text on white | 8.58:1 | AAA | Lc 89.2 | Fine for body text |
| #593B8F text on black | 2.44:1 | Fails | Lc -13.0 | 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
#DCD4F3
oklch(88.6% 0.043 297.3)
-
Step 300
300
#C5B7EE
oklch(81% 0.078 296.3)
-
Step 400
400
#A98FE5
oklch(70.7% 0.125 297)
-
Step 500
500
#9571DD
oklch(63.2% 0.159 297)
-
Step 600
600
#8056CB
oklch(55.6% 0.175 296.9)
-
Step 700
700
#6C46AF
oklch(49.1% 0.161 296.7)
-
Step 800
800 (this color)
#593B8F
oklch(43% 0.134 296.9)
-
Step 900
900
#483371
oklch(37.7% 0.103 296.8)
-
Step 950
950
#2A1E42
oklch(26.9% 0.066 297.1)
#593B8F 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) | #0F4C92 | 0.093 |
| Deuteranopia (no green cones) | #1C4B8D | 0.087 |
| Tritanopia (no blue cones) | #4C4D5F | 0.105 |
| Achromatopsia (no color) | #4C4C4C | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #593B8F
#593B8F
oklch(43% 0.134 296.9)
- #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 #593B8F, 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 0.033
- Blueberry #464196 ΔE 0.036
- Twilight #4E518B ΔE 0.060
- Dusk #4E5481 ΔE 0.075
- Cobalt #1E488F ΔE 0.084
- Chrysanthemum #560BAD ΔE 0.086
- Dusk Blue #26538D ΔE 0.089
Use #593B8F 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.