Dusk #4E5481
Dusk is a medium-dark, moderately saturated blue with hex code #4E5481 and RGB rgb(78, 84, 129).
Aa
White text reads best on this color (7.21:1).
About this color
#4E5481 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.074 and its hue 277°. Its hue sits on the cool side of the wheel. It is the named color Dusk. White text reads best on it, at 7.21:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dusk |
| Black text | 2.90:1 |
| White text | 7.21:1 |
Colors that go with Dusk
Matches found by rotating Dusk around the OKLCH hue wheel, each labelled with the closest name in our list.
Complementary
The opposite hue (180°).
Analogous
Neighbouring hues, 30° either side.
Triadic
Three hues spaced 120° apart.
Color palettes with Dusk
Curated color palettes that contain a color within ΔE 0.06 (OKLab) of Dusk, closest first.
Similar named colors
The eight named colors closest to Dusk, with their ΔE distance.
- Twilight #4E518B ΔE 0.020
- Dusty Grape #545775 ΔE 0.026
- YInMn Blue #415A77 ΔE 0.032
- Denim Blue #3B5B92 ΔE 0.036
- Dusky Blue #475F94 ΔE 0.039
- Light Navy Blue #2E5A88 ΔE 0.040
- Denim #3B638C ΔE 0.046
- Dusk Blue #26538D ΔE 0.051
More about Dusk
How to make Dusk
A starting recipe from common paint colors, found with a spectral paint model (the color mixer’s paint mode). Real pigments vary, so mix a small test batch and adjust.
- 2 parts blue
- 1 part red
- 1 part pink
Recipe result: #435179, a difference of ΔE 0.023 from Dusk. That is very close: most people will not see the difference.
Codes for Dusk in every format
| HEX | #4E5481 |
| RGB | rgb(78, 84, 129) |
| HSL | hsl(233, 25%, 41%) |
| OKLCH | oklch(46.1% 0.074 277.3) |
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 #4E5481 | 7.21:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #4E5481 | 2.90:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #4E5481 text on white | 7.21:1 | AAA | Lc 85.0 | Fine for body text |
| #4E5481 text on black | 2.90:1 | Fails | Lc -17.0 | Dividers and decoration only |
Shades and tints of Dusk
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 700.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E8E9F1
oklch(93.6% 0.011 280.5)
-
Step 200
200
#D5D8E6
oklch(88.4% 0.019 276.3)
-
Step 300
300
#BABFD8
oklch(80.9% 0.036 276.6)
-
Step 400
400
#979EC4
oklch(70.7% 0.056 276.7)
-
Step 500
500
#7E86B6
oklch(63.2% 0.073 276.8)
-
Step 600
600
#686FA1
oklch(55.6% 0.078 277.4)
-
Step 700
700 (this color)
#4E5481
oklch(46.1% 0.074 277.3)
-
Step 800
800
#474C70
oklch(42.8% 0.06 277.5)
-
Step 900
900
#3B3F5B
oklch(37.6% 0.048 277.5)
-
Step 950
950
#232535
oklch(27% 0.03 278.7)
Dusk 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) | #455983 | 0.018 |
| Deuteranopia (no green cones) | #425580 | 0.017 |
| Tritanopia (no blue cones) | #3F5D64 | 0.066 |
| Achromatopsia (no color) | #575757 | 0.074 |
Use Dusk 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.