#493A78
Closest named color: Dark Slate Blue (#483D8B). oklch(39.6% 0.102 292.3), rgb(73, 58, 120).
Aa
White text reads best on this color (9.72:1).
About this color
#493A78 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.102 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.032 away. White text reads best on it, at 9.72:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.15:1 |
| White text | 9.72:1 |
Values
| HEX | #493A78 |
| RGB | rgb(73, 58, 120) |
| HSL | hsl(255, 35%, 35%) |
| OKLCH | oklch(39.6% 0.102 292.3) |
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 #493A78 | 9.72:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #493A78 | 2.15:1 | Fails | Lc 11.6 | Not readable |
| #493A78 text on white | 9.72:1 | AAA | Lc 92.4 | Preferred for body text |
| #493A78 text on black | 2.15:1 | Fails | Lc -10.1 | 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 900.
-
Step 50
50
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#D9D5F4
oklch(88.6% 0.042 291.4)
-
Step 300
300
#C1B8EE
oklch(80.8% 0.076 292.3)
-
Step 400
400
#A392E6
oklch(70.8% 0.121 292.3)
-
Step 500
500
#8D74DF
oklch(63.1% 0.157 292)
-
Step 600
600
#785ACC
oklch(55.5% 0.169 292.1)
-
Step 700
700
#6649B1
oklch(49.1% 0.158 292.4)
-
Step 800
800
#533D8F
oklch(42.8% 0.13 292.4)
-
Step 900
900 (this color)
#493A78
oklch(39.6% 0.102 292.3)
-
Step 950
950
#281F43
oklch(27% 0.065 293)
#493A78 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) | #22457A | 0.058 |
| Deuteranopia (no green cones) | #254377 | 0.055 |
| Tritanopia (no blue cones) | #3D4653 | 0.083 |
| Achromatopsia (no color) | #444444 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #493A78
#493A78
oklch(39.6% 0.102 292.3)
- #484B00
#484B00
oklch(39.7% 0.088 112.4)
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 #493A78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.032
- Blueberry #464196 ΔE 0.051
- Twilight #4E518B ΔE 0.068
- Cobalt #1E488F ΔE 0.070
- Twilight Blue #0A437A ΔE 0.073
- Dusk #4E5481 ΔE 0.074
- Rebecca Purple #663399 ΔE 0.077
- Light Navy #155084 ΔE 0.079
Use #493A78 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.