#493B88
Closest named color: Dark Slate Blue (#483D8B). oklch(40.9% 0.123 288), rgb(73, 59, 136).
Aa
White text reads best on this color (9.27:1).
About this color
#493B88 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.123 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.007 away. White text reads best on it, at 9.27:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.26:1 |
| White text | 9.27:1 |
Values
| HEX | #493B88 |
| RGB | rgb(73, 59, 136) |
| HSL | hsl(251, 39%, 38%) |
| OKLCH | oklch(40.9% 0.123 288) |
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 #493B88 | 9.27:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #493B88 | 2.26:1 | Fails | Lc 12.8 | Not readable |
| #493B88 text on white | 9.27:1 | AAA | Lc 91.1 | Preferred for body text |
| #493B88 text on black | 2.26:1 | Fails | Lc -11.2 | 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
#F5F5FC
oklch(97.2% 0.009 286.2)
-
Step 100
100
#E9E8F7
oklch(93.6% 0.02 289.1)
-
Step 200
200
#D7D6F3
oklch(88.6% 0.04 287.1)
-
Step 300
300
#BEBAED
oklch(80.9% 0.072 288.3)
-
Step 400
400
#9D94E4
oklch(70.6% 0.116 288.2)
-
Step 500
500
#8778DD
oklch(63.2% 0.148 288.2)
-
Step 600
600
#715FCA
oklch(55.6% 0.16 287.8)
-
Step 700
700
#5F4DAF
oklch(49% 0.15 288)
-
Step 800
800 (this color)
#493B88
oklch(40.9% 0.123 288)
-
Step 900
900
#403771
oklch(37.7% 0.096 288)
-
Step 950
950
#252142
oklch(27% 0.06 287.2)
#493B88 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) | #11498B | 0.069 |
| Deuteranopia (no green cones) | #124586 | 0.067 |
| Tritanopia (no blue cones) | #364C5B | 0.103 |
| Achromatopsia (no color) | #474747 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #493B88
#493B88
oklch(40.9% 0.123 288)
- #4F4D00
#4F4D00
oklch(40.9% 0.088 108)
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 #493B88, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.007
- Blueberry #464196 ΔE 0.026
- Cobalt #1E488F ΔE 0.060
- Twilight #4E518B ΔE 0.061
- Rebecca Purple #663399 ΔE 0.061
- Dusk Blue #26538D ΔE 0.073
- Dusk #4E5481 ΔE 0.074
- Twilight Blue #0A437A ΔE 0.077
Use #493B88 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.