#4784D3
Closest named color: Dark Sky Blue (#448EE4). oklch(61% 0.136 255.8), rgb(71, 132, 211).
Aa
Black text reads best on this color (5.50:1).
About this color
#4784D3 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.136 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.034 away. Black text reads best on it, at 5.50:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.50:1 |
| White text | 3.81:1 |
Values
| HEX | #4784D3 |
| RGB | rgb(71, 132, 211) |
| HSL | hsl(214, 61%, 55%) |
| OKLCH | oklch(61% 0.136 255.8) |
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 #4784D3 | 3.81:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #4784D3 | 5.50:1 | AA | Lc 38.7 | Non-text elements, placeholder text |
| #4784D3 text on white | 3.81:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #4784D3 text on black | 5.50:1 | AA | Lc -36.3 | 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
#CADBF2
oklch(88.6% 0.037 256)
-
Step 300
300
#A5C3EC
oklch(80.9% 0.067 256.3)
-
Step 400
400
#73A3E2
oklch(70.7% 0.106 255.6)
-
Step 500
500 (this color)
#4784D3
oklch(61% 0.136 255.8)
-
Step 600
600
#2F73C8
oklch(55.6% 0.149 255.8)
-
Step 700
700
#2160AD
oklch(49.1% 0.138 255.7)
-
Step 800
800
#1E4F8C
oklch(42.8% 0.114 255.7)
-
Step 900
900
#1E4270
oklch(37.8% 0.089 255.7)
-
Step 950
950
#132741
oklch(27% 0.055 255.7)
#4784D3 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) | #618AD6 | 0.033 |
| Deuteranopia (no green cones) | #4C7DD1 | 0.018 |
| Tritanopia (no blue cones) | #0096A1 | 0.109 |
| Achromatopsia (no color) | #838383 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4784D3
#4784D3
oklch(61% 0.136 255.8)
- #AF7600
#AF7600
oklch(61% 0.128 75.3)
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 #4784D3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.034
- Water Blue #0E87CC ΔE 0.034
- Cool Blue #4984B8 ΔE 0.042
- Windows Blue #3778BF ΔE 0.046
- Steel Blue #4682B4 ΔE 0.048
- Soft Blue #6488EA ΔE 0.048
- Faded Blue #658CBB ΔE 0.057
- Chefchaouen Blue #4895EF ΔE 0.057
Use #4784D3 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.