#4E5A8B
Closest named color: Dusky Blue (#475F94). oklch(47.9% 0.081 272.6), rgb(78, 90, 139).
Aa
White text reads best on this color (6.64:1).
About this color
#4E5A8B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.081 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.019 away. White text reads best on it, at 6.64:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.15:1 |
| White text | 6.64:1 |
Values
| HEX | #4E5A8B |
| RGB | rgb(78, 90, 139) |
| HSL | hsl(228, 28%, 43%) |
| OKLCH | oklch(47.9% 0.081 272.6) |
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 #4E5A8B | 6.64:1 | AA | Lc -87.8 | Fine for body text |
| Black text on #4E5A8B | 3.15:1 | AA large text | Lc 21.3 | Dividers and decoration only |
| #4E5A8B text on white | 6.64:1 | AA | Lc 82.8 | Fine for body text |
| #4E5A8B 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
#E7E9F2
oklch(93.5% 0.012 276.1)
-
Step 200
200
#D4D9E8
oklch(88.6% 0.021 271.2)
-
Step 300
300
#B8C0DB
oklch(81% 0.039 272.4)
-
Step 400
400
#939FC8
oklch(70.8% 0.062 272)
-
Step 500
500
#7987BA
oklch(63.2% 0.079 272.2)
-
Step 600
600
#6270A6
oklch(55.6% 0.086 272.3)
-
Step 700
700 (this color)
#4E5A8B
oklch(47.9% 0.081 272.6)
-
Step 800
800
#424C74
oklch(42.6% 0.068 272.5)
-
Step 900
900
#38405D
oklch(37.7% 0.051 271.9)
-
Step 950
950
#212537
oklch(26.9% 0.034 274.3)
#4E5A8B 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) | #495F8D | 0.015 |
| Deuteranopia (no green cones) | #445A8A | 0.014 |
| Tritanopia (no blue cones) | #3A646C | 0.072 |
| Achromatopsia (no color) | #5C5C5C | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E5A8B
#4E5A8B
oklch(47.9% 0.081 272.6)
- #6D5C21
#6D5C21
oklch(47.9% 0.08 93)
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 #4E5A8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.019
- Dusk #4E5481 ΔE 0.021
- Denim Blue #3B5B92 ΔE 0.025
- Twilight #4E518B ΔE 0.026
- Denim #3B638C ΔE 0.032
- Dusty Grape #545775 ΔE 0.035
- YInMn Blue #415A77 ΔE 0.039
- Light Navy Blue #2E5A88 ΔE 0.039
Use #4E5A8B 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.