#493678
Closest named color: Dark Slate Blue (#483D8B). oklch(38.9% 0.108 294), rgb(73, 54, 120).
Aa
White text reads best on this color (10.08:1).
About this color
#493678 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.108 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.035 away. White text reads best on it, at 10.08:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.08:1 |
| White text | 10.08:1 |
Values
| HEX | #493678 |
| RGB | rgb(73, 54, 120) |
| HSL | hsl(257, 38%, 34%) |
| OKLCH | oklch(38.9% 0.108 294) |
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 #493678 | 10.08:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #493678 | 2.08:1 | Fails | Lc 10.7 | Not readable |
| #493678 text on white | 10.08:1 | AAA | Lc 93.2 | Preferred for body text |
| #493678 text on black | 2.08:1 | Fails | Lc -9.3 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EAE7F9
oklch(93.6% 0.024 293.6)
-
Step 200
200
#DAD4F5
oklch(88.5% 0.045 293.8)
-
Step 300
300
#C3B7F1
oklch(80.9% 0.082 294)
-
Step 400
400
#A58FE9
oklch(70.6% 0.13 294)
-
Step 500
500
#9171E3
oklch(63.2% 0.167 294)
-
Step 600
600
#7C56D0
oklch(55.5% 0.18 294.1)
-
Step 700
700
#6945B5
oklch(49.1% 0.169 294.1)
-
Step 800
800
#553A92
oklch(42.7% 0.139 293.8)
-
Step 900
900 (this color)
#493678
oklch(38.9% 0.108 294)
-
Step 950
950
#291E44
oklch(26.9% 0.069 294.7)
#493678 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) | #1A427A | 0.067 |
| Deuteranopia (no green cones) | #1F4176 | 0.064 |
| Tritanopia (no blue cones) | #3D4351 | 0.087 |
| Achromatopsia (no color) | #424242 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #493678
#493678
oklch(38.9% 0.108 294)
- #444900
#444900
oklch(38.8% 0.087 114.2)
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 #493678, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.035
- Blueberry #464196 ΔE 0.055
- Cobalt #1E488F ΔE 0.075
- Rebecca Purple #663399 ΔE 0.076
- Twilight Blue #0A437A ΔE 0.077
- Twilight #4E518B ΔE 0.077
- Dusk #4E5481 ΔE 0.084
- Light Navy #155084 ΔE 0.087
Use #493678 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.