#4E5990
Closest named color: Dusky Blue (#475F94). oklch(48% 0.09 274), rgb(78, 89, 144).
Aa
White text reads best on this color (6.65:1).
About this color
#4E5990 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.090 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.018 away. White text reads best on it, at 6.65:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.15:1 |
| White text | 6.65:1 |
Values
| HEX | #4E5990 |
| RGB | rgb(78, 89, 144) |
| HSL | hsl(230, 30%, 44%) |
| OKLCH | oklch(48% 0.09 274) |
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 #4E5990 | 6.65:1 | AA | Lc -87.8 | Fine for body text |
| Black text on #4E5990 | 3.15:1 | AA large text | Lc 21.2 | Dividers and decoration only |
| #4E5990 text on white | 6.65:1 | AA | Lc 82.8 | Fine for body text |
| #4E5990 text on black | 3.15:1 | AA large text | Lc -19.1 | Dividers and decoration only |
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 700.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D4D8EA
oklch(88.5% 0.025 275.9)
-
Step 300
300
#B7BFDD
oklch(80.8% 0.043 273.6)
-
Step 400
400
#939ECC
oklch(70.7% 0.069 274.1)
-
Step 500
500
#7985BF
oklch(63% 0.089 274.6)
-
Step 600
600
#626EAC
oklch(55.5% 0.097 274.5)
-
Step 700
700 (this color)
#4E5990
oklch(48% 0.09 274)
-
Step 800
800
#424B78
oklch(42.6% 0.076 274.2)
-
Step 900
900
#383F60
oklch(37.7% 0.057 274.2)
-
Step 950
950
#212538
oklch(27% 0.036 274.6)
#4E5990 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) | #455F92 | 0.019 |
| Deuteranopia (no green cones) | #3F5A8F | 0.020 |
| Tritanopia (no blue cones) | #37646D | 0.080 |
| Achromatopsia (no color) | #5C5C5C | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E5990
#4E5990
oklch(48% 0.09 274)
- #6E5C14
#6E5C14
oklch(47.9% 0.09 94.1)
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 #4E5990, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.018
- Twilight #4E518B ΔE 0.023
- Denim Blue #3B5B92 ΔE 0.024
- Dusk #4E5481 ΔE 0.026
- Denim #3B638C ΔE 0.037
- Light Navy Blue #2E5A88 ΔE 0.041
- Dusty Grape #545775 ΔE 0.044
- YInMn Blue #415A77 ΔE 0.047
Use #4E5990 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.