#493B78
Closest named color: Dark Slate Blue (#483D8B). oklch(39.8% 0.1 291.8), rgb(73, 59, 120).
Aa
White text reads best on this color (9.63:1).
About this color
#493B78 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.100 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 9.63:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.18:1 |
| White text | 9.63:1 |
Values
| HEX | #493B78 |
| RGB | rgb(73, 59, 120) |
| HSL | hsl(254, 34%, 35%) |
| OKLCH | oklch(39.8% 0.1 291.8) |
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 #493B78 | 9.63:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #493B78 | 2.18:1 | Fails | Lc 11.8 | Not readable |
| #493B78 text on white | 9.63:1 | AAA | Lc 92.2 | Preferred for body text |
| #493B78 text on black | 2.18:1 | Fails | Lc -10.3 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#EAE8F8
oklch(93.7% 0.022 291.7)
-
Step 200
200
#D9D5F3
oklch(88.5% 0.041 291.7)
-
Step 300
300
#C1B8EE
oklch(80.8% 0.076 292.3)
-
Step 400
400
#A292E5
oklch(70.7% 0.12 291.9)
-
Step 500
500
#8C75DE
oklch(63.1% 0.154 291.4)
-
Step 600
600
#785BCB
oklch(55.6% 0.167 292)
-
Step 700
700
#654AB0
oklch(49.1% 0.156 291.9)
-
Step 800
800
#523D8E
oklch(42.6% 0.129 292)
-
Step 900
900 (this color)
#493B78
oklch(39.8% 0.1 291.8)
-
Step 950
950
#272043
oklch(27.1% 0.064 290.7)
#493B78 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) | #24467A | 0.056 |
| Deuteranopia (no green cones) | #264477 | 0.053 |
| Tritanopia (no blue cones) | #3D4754 | 0.081 |
| Achromatopsia (no color) | #454545 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #493B78
#493B78
oklch(39.8% 0.1 291.8)
- #494B00
#494B00
oklch(39.8% 0.088 111.5)
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 #493B78, 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 0.050
- Twilight #4E518B ΔE 0.065
- Cobalt #1E488F ΔE 0.069
- Dusk #4E5481 ΔE 0.071
- Twilight Blue #0A437A ΔE 0.072
- Light Navy #155084 ΔE 0.077
- Dusk Blue #26538D ΔE 0.078
Use #493B78 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.