#493B90
Closest named color: Dark Slate Blue (#483D8B). oklch(41.5% 0.135 286.5), rgb(73, 59, 144).
Aa
White text reads best on this color (9.08:1).
About this color
#493B90 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.135 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.010 away. White text reads best on it, at 9.08:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.135) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.31:1 |
| White text | 9.08:1 |
Values
| HEX | #493B90 |
| RGB | rgb(73, 59, 144) |
| HSL | hsl(250, 42%, 40%) |
| OKLCH | oklch(41.5% 0.135 286.5) |
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 #493B90 | 9.08:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #493B90 | 2.31:1 | Fails | Lc 13.4 | Not readable |
| #493B90 text on white | 9.08:1 | AAA | Lc 90.6 | Preferred for body text |
| #493B90 text on black | 2.31:1 | Fails | Lc -11.7 | 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
#E8E8F9
oklch(93.6% 0.023 286)
-
Step 200
200
#D6D5F5
oklch(88.4% 0.044 286.9)
-
Step 300
300
#BCBAF2
oklch(81% 0.079 286.1)
-
Step 400
400
#9B94EB
oklch(70.8% 0.125 286.4)
-
Step 500
500
#8476E5
oklch(63% 0.162 286.5)
-
Step 600
600
#6F5CD3
oklch(55.5% 0.176 286.5)
-
Step 700
700
#5D4BB7
oklch(49.1% 0.164 286.3)
-
Step 800
800 (this color)
#493B90
oklch(41.5% 0.135 286.5)
-
Step 900
900
#3F3676
oklch(37.7% 0.106 286.6)
-
Step 950
950
#252045
oklch(27% 0.067 287.2)
#493B90 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) | #004B93 | 0.075 |
| Deuteranopia (no green cones) | #00468E | 0.073 |
| Tritanopia (no blue cones) | #314E5F | 0.113 |
| Achromatopsia (no color) | #484848 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #493B90
#493B90
oklch(41.5% 0.135 286.5)
- #524E00
#524E00
oklch(41.4% 0.089 106.3)
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 #493B90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.010
- Blueberry #464196 ΔE 0.017
- Rebecca Purple #663399 ΔE 0.056
- Cobalt #1E488F ΔE 0.060
- Twilight #4E518B ΔE 0.062
- Sapphire #2138AB ΔE 0.072
- Dusk Blue #26538D ΔE 0.074
- Dusk #4E5481 ΔE 0.078
Use #493B90 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.