#4E7DD9
Closest named color: Dark Sky Blue (#448EE4). oklch(60.1% 0.15 262.4), rgb(78, 125, 217).
Aa
Black text reads best on this color (5.25:1).
About this color
#4E7DD9 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.150 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.045 away. Black text reads best on it, at 5.25:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.25:1 |
| White text | 3.99:1 |
Values
| HEX | #4E7DD9 |
| RGB | rgb(78, 125, 217) |
| HSL | hsl(220, 65%, 58%) |
| OKLCH | oklch(60.1% 0.15 262.4) |
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 #4E7DD9 | 3.99:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #4E7DD9 | 5.25:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #4E7DD9 text on white | 3.99:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #4E7DD9 text on black | 5.25:1 | AA | Lc -34.7 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF9
oklch(93.5% 0.022 263.2)
-
Step 200
200
#CBDAF5
oklch(88.6% 0.041 262.3)
-
Step 300
300
#A7C1F1
oklch(80.8% 0.074 262.5)
-
Step 400
400
#79A0EA
oklch(70.8% 0.117 262.5)
-
Step 500
500 (this color)
#4E7DD9
oklch(60.1% 0.15 262.4)
-
Step 600
600
#3C6ED1
oklch(55.6% 0.162 262.3)
-
Step 700
700
#2F5BB5
oklch(49.1% 0.151 262.6)
-
Step 800
800
#274B92
oklch(42.7% 0.124 262.2)
-
Step 900
900
#243F75
oklch(37.7% 0.098 262.6)
-
Step 950
950
#152544
oklch(26.8% 0.062 262.4)
#4E7DD9 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) | #5286DD | 0.025 |
| Deuteranopia (no green cones) | #3D79D7 | 0.021 |
| Tritanopia (no blue cones) | #0092A0 | 0.125 |
| Achromatopsia (no color) | #7F7F7F | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E7DD9
#4E7DD9
oklch(60.1% 0.15 262.4)
- #A57800
#A57800
oklch(60.2% 0.124 82.2)
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 #4E7DD9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.045
- Soft Blue #6488EA ΔE 0.046
- Windows Blue #3778BF ΔE 0.048
- Water Blue #0E87CC ΔE 0.050
- Royal Blue #4169E1 ΔE 0.058
- Cornflower #6A79F7 ΔE 0.058
- Cool Blue #4984B8 ΔE 0.059
- Clear Blue #247AFD ΔE 0.063
Use #4E7DD9 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.