#4E7BD4
Closest named color: Windows Blue (#3778BF). oklch(59.4% 0.145 262.6), rgb(78, 123, 212).
Aa
Black text reads best on this color (5.10:1).
About this color
#4E7BD4 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.145 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.041 away. Black text reads best on it, at 5.10:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 5.10:1 |
| White text | 4.11:1 |
Values
| HEX | #4E7BD4 |
| RGB | rgb(78, 123, 212) |
| HSL | hsl(220, 61%, 57%) |
| OKLCH | oklch(59.4% 0.145 262.6) |
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 #4E7BD4 | 4.11:1 | AA large text | Lc -73.5 | Content text, not long reading |
| Black text on #4E7BD4 | 5.10:1 | AA | Lc 36.1 | Non-text elements, placeholder text |
| #4E7BD4 text on white | 4.11:1 | AA large text | Lc 68.0 | Content text, not long reading |
| #4E7BD4 text on black | 5.10:1 | AA | Lc -33.7 | 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
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CBDAF4
oklch(88.5% 0.039 261.5)
-
Step 300
300
#A8C1EF
oklch(80.8% 0.071 262.5)
-
Step 400
400
#7AA0E8
oklch(70.7% 0.114 262.5)
-
Step 500
500 (this color)
#4E7BD4
oklch(59.4% 0.145 262.6)
-
Step 600
600
#3F6ECE
oklch(55.6% 0.157 262.7)
-
Step 700
700
#315CB3
oklch(49.2% 0.147 262.5)
-
Step 800
800
#294B91
oklch(42.7% 0.122 262.8)
-
Step 900
900
#253F73
oklch(37.6% 0.095 262.7)
-
Step 950
950
#162544
oklch(26.9% 0.061 263.4)
#4E7BD4 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) | #5284D7 | 0.025 |
| Deuteranopia (no green cones) | #3E77D2 | 0.020 |
| Tritanopia (no blue cones) | #008F9D | 0.121 |
| Achromatopsia (no color) | #7D7D7D | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E7BD4
#4E7BD4
oklch(59.4% 0.145 262.6)
- #A27600
#A27600
oklch(59.4% 0.122 82.4)
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 #4E7BD4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.041
- Water Blue #0E87CC ΔE 0.050
- Dark Sky Blue #448EE4 ΔE 0.052
- Soft Blue #6488EA ΔE 0.054
- Cool Blue #4984B8 ΔE 0.055
- Royal Blue #4169E1 ΔE 0.056
- Steel Blue #4682B4 ΔE 0.058
- Cornflower #6A79F7 ΔE 0.064
Use #4E7BD4 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.