#494B7B
Closest named color: Dusk (#4E5481). oklch(43.3% 0.079 280.8), rgb(73, 75, 123).
Aa
White text reads best on this color (8.15:1).
About this color
#494B7B is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.079 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.028 away. White text reads best on it, at 8.15:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.57:1 |
| White text | 8.15:1 |
Values
| HEX | #494B7B |
| RGB | rgb(73, 75, 123) |
| HSL | hsl(238, 26%, 38%) |
| OKLCH | oklch(43.3% 0.079 280.8) |
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 #494B7B | 8.15:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #494B7B | 2.57:1 | Fails | Lc 15.9 | Dividers and decoration only |
| #494B7B text on white | 8.15:1 | AAA | Lc 88.1 | Fine for body text |
| #494B7B text on black | 2.57:1 | Fails | Lc -14.0 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F3
oklch(93.6% 0.013 281.6)
-
Step 200
200
#D6D8EA
oklch(88.6% 0.025 280.8)
-
Step 300
300
#BBBEDE
oklch(81% 0.045 281.1)
-
Step 400
400
#989CCE
oklch(70.8% 0.073 280.8)
-
Step 500
500
#7F83C1
oklch(63.2% 0.093 280.5)
-
Step 600
600
#696BAE
oklch(55.5% 0.103 281.2)
-
Step 700
700
#575995
oklch(49% 0.095 280.8)
-
Step 800
800 (this color)
#494B7B
oklch(43.3% 0.079 280.8)
-
Step 900
900
#3C3D62
oklch(37.6% 0.063 281.7)
-
Step 950
950
#232439
oklch(27% 0.039 281.4)
#494B7B 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) | #3B517D | 0.024 |
| Deuteranopia (no green cones) | #384E7A | 0.025 |
| Tritanopia (no blue cones) | #3A545D | 0.068 |
| Achromatopsia (no color) | #4F4F4F | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #494B7B
#494B7B
oklch(43.3% 0.079 280.8)
- #5A5216
#5A5216
oklch(43.4% 0.079 101.6)
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 #494B7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.028
- Twilight #4E518B ΔE 0.030
- Dusty Grape #545775 ΔE 0.045
- YInMn Blue #415A77 ΔE 0.047
- Dusk Blue #26538D ΔE 0.050
- Dark Slate Blue #483D8B ΔE 0.051
- Light Navy Blue #2E5A88 ΔE 0.051
- Denim Blue #3B5B92 ΔE 0.054
Use #494B7B 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.