#4784D4
Closest named color: Dark Sky Blue (#448EE4). oklch(61% 0.138 256), rgb(71, 132, 212).
Aa
Black text reads best on this color (5.51:1).
About this color
#4784D4 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.138 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.033 away. Black text reads best on it, at 5.51:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.51:1 |
| White text | 3.80:1 |
Values
| HEX | #4784D4 |
| RGB | rgb(71, 132, 212) |
| HSL | hsl(214, 62%, 55%) |
| OKLCH | oklch(61% 0.138 256) |
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 #4784D4 | 3.80:1 | AA large text | Lc -70.8 | Content text, not long reading |
| Black text on #4784D4 | 5.51:1 | AA | Lc 38.8 | Non-text elements, placeholder text |
| #4784D4 text on white | 3.80:1 | AA large text | Lc 65.3 | Content text, not long reading |
| #4784D4 text on black | 5.51:1 | AA | Lc -36.4 | 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
#E2EBF7
oklch(93.7% 0.019 255.5)
-
Step 200
200
#C9DBF2
oklch(88.5% 0.037 254.6)
-
Step 300
300
#A5C3EC
oklch(80.9% 0.067 256.3)
-
Step 400
400
#73A3E3
oklch(70.7% 0.108 255.9)
-
Step 500
500 (this color)
#4784D4
oklch(61% 0.138 256)
-
Step 600
600
#2F73C9
oklch(55.7% 0.15 256)
-
Step 700
700
#2160AD
oklch(49.1% 0.138 255.7)
-
Step 800
800
#1E4E8C
oklch(42.6% 0.115 256.3)
-
Step 900
900
#1E4270
oklch(37.8% 0.089 255.7)
-
Step 950
950
#122742
oklch(27.1% 0.057 255.5)
#4784D4 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) | #608AD7 | 0.032 |
| Deuteranopia (no green cones) | #4C7DD2 | 0.018 |
| Tritanopia (no blue cones) | #0096A2 | 0.109 |
| Achromatopsia (no color) | #838383 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4784D4
#4784D4
oklch(61% 0.138 256)
- #AF7700
#AF7700
oklch(61.2% 0.128 76)
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 #4784D4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.033
- Water Blue #0E87CC ΔE 0.034
- Cool Blue #4984B8 ΔE 0.043
- Windows Blue #3778BF ΔE 0.047
- Soft Blue #6488EA ΔE 0.047
- Steel Blue #4682B4 ΔE 0.049
- Chefchaouen Blue #4895EF ΔE 0.056
- Faded Blue #658CBB ΔE 0.058
Use #4784D4 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.