#4E83E3
Closest named color: Dark Sky Blue (#448EE4). oklch(62% 0.156 261.3), rgb(78, 131, 227).
Aa
Black text reads best on this color (5.67:1).
About this color
#4E83E3 is a medium-light, vivid blue. In OKLCH its lightness is 62%, its chroma 0.156 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.029 away. Black text reads best on it, at 5.67:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.156) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.67:1 |
| White text | 3.69:1 |
Values
| HEX | #4E83E3 |
| RGB | rgb(78, 131, 227) |
| HSL | hsl(219, 73%, 60%) |
| OKLCH | oklch(62% 0.156 261.3) |
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 #4E83E3 | 3.69:1 | AA large text | Lc -69.8 | Content text, not long reading |
| Black text on #4E83E3 | 5.67:1 | AA | Lc 39.8 | Non-text elements, placeholder text |
| #4E83E3 text on white | 3.69:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #4E83E3 text on black | 5.67:1 | AA | Lc -37.4 | 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
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAF9
oklch(93.5% 0.022 263.2)
-
Step 200
200
#CADAF6
oklch(88.5% 0.042 261.7)
-
Step 300
300
#A5C2F3
oklch(81% 0.077 260.8)
-
Step 400
400
#75A0ED
oklch(70.7% 0.123 261.5)
-
Step 500
500 (this color)
#4E83E3
oklch(62% 0.156 261.3)
-
Step 600
600
#366ED5
oklch(55.7% 0.169 261.3)
-
Step 700
700
#285BB8
oklch(49% 0.157 261.2)
-
Step 800
800
#224B95
oklch(42.7% 0.13 261.1)
-
Step 900
900
#213F77
oklch(37.7% 0.102 261.6)
-
Step 950
950
#142546
oklch(26.9% 0.066 262.3)
#4E83E3 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) | #568CE7 | 0.026 |
| Deuteranopia (no green cones) | #3E7EE1 | 0.021 |
| Tritanopia (no blue cones) | #0099A8 | 0.128 |
| Achromatopsia (no color) | #858585 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E83E3
#4E83E3
oklch(62% 0.156 261.3)
- #AD7D00
#AD7D00
oklch(62.1% 0.128 81.5)
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 #4E83E3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.029
- Soft Blue #6488EA ΔE 0.030
- Chefchaouen Blue #4895EF ΔE 0.048
- Cornflower #6A79F7 ΔE 0.051
- Dodger Blue #1E90FF ΔE 0.052
- Water Blue #0E87CC ΔE 0.055
- Cornflower Blue #6495ED ΔE 0.056
- Clear Blue #247AFD ΔE 0.057
Use #4E83E3 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.