#4683DC
Closest named color: Dark Sky Blue (#448EE4). oklch(61.3% 0.15 257.9), rgb(70, 131, 220).
Aa
Black text reads best on this color (5.54:1).
About this color
#4683DC is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.150 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.030 away. Black text reads best on it, at 5.54:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.54:1 |
| White text | 3.79:1 |
Values
| HEX | #4683DC |
| RGB | rgb(70, 131, 220) |
| HSL | hsl(216, 68%, 57%) |
| OKLCH | oklch(61.3% 0.15 257.9) |
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 #4683DC | 3.79:1 | AA large text | Lc -70.6 | Content text, not long reading |
| Black text on #4683DC | 5.54:1 | AA | Lc 38.9 | Non-text elements, placeholder text |
| #4683DC text on white | 3.79:1 | AA large text | Lc 65.1 | Content text, not long reading |
| #4683DC text on black | 5.54:1 | AA | Lc -36.5 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C9DBF5
oklch(88.6% 0.041 257.5)
-
Step 300
300
#A4C3F0
oklch(81% 0.072 257.6)
-
Step 400
400
#72A2E9
oklch(70.7% 0.117 258)
-
Step 500
500 (this color)
#4683DC
oklch(61.3% 0.15 257.9)
-
Step 600
600
#2D71D0
oklch(55.7% 0.162 257.7)
-
Step 700
700
#205EB4
oklch(49.2% 0.15 257.8)
-
Step 800
800
#1C4D92
oklch(42.7% 0.125 257.8)
-
Step 900
900
#1D4174
oklch(37.7% 0.097 257.5)
-
Step 950
950
#122644
oklch(26.9% 0.062 258.3)
#4683DC 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) | #5A8BE0 | 0.031 |
| Deuteranopia (no green cones) | #427DDA | 0.017 |
| Tritanopia (no blue cones) | #0098A5 | 0.120 |
| Achromatopsia (no color) | #838383 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4683DC
#4683DC
oklch(61.3% 0.15 257.9)
- #AD7800
#AD7800
oklch(61.1% 0.127 77.8)
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 #4683DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.030
- Soft Blue #6488EA ΔE 0.041
- Water Blue #0E87CC ΔE 0.042
- Chefchaouen Blue #4895EF ΔE 0.052
- Windows Blue #3778BF ΔE 0.053
- Cool Blue #4984B8 ΔE 0.056
- Dodger Blue #1E90FF ΔE 0.058
- Steel Blue #4682B4 ΔE 0.062
Use #4683DC 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.