#4E83E0
Closest named color: Dark Sky Blue (#448EE4). oklch(61.8% 0.152 260.8), rgb(78, 131, 224).
Aa
Black text reads best on this color (5.64:1).
About this color
#4E83E0 is a medium-dark, vivid blue. In OKLCH its lightness is 62%, its chroma 0.152 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 5.64:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.152) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.64:1 |
| White text | 3.71:1 |
Values
| HEX | #4E83E0 |
| RGB | rgb(78, 131, 224) |
| HSL | hsl(218, 70%, 59%) |
| OKLCH | oklch(61.8% 0.152 260.8) |
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 #4E83E0 | 3.71:1 | AA large text | Lc -70.0 | Content text, not long reading |
| Black text on #4E83E0 | 5.64:1 | AA | Lc 39.6 | Non-text elements, placeholder text |
| #4E83E0 text on white | 3.71:1 | AA large text | Lc 64.5 | Content text, not long reading |
| #4E83E0 text on black | 5.64:1 | AA | Lc -37.2 | 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
#E2EAF9
oklch(93.5% 0.022 263.2)
-
Step 200
200
#CADAF5
oklch(88.5% 0.041 260.9)
-
Step 300
300
#A6C2F1
oklch(81% 0.073 260.7)
-
Step 400
400
#75A1EB
oklch(70.8% 0.119 260.4)
-
Step 500
500 (this color)
#4E83E0
oklch(61.8% 0.152 260.8)
-
Step 600
600
#366ED2
oklch(55.5% 0.165 260.9)
-
Step 700
700
#295CB6
oklch(49.1% 0.153 260.8)
-
Step 800
800
#234B93
oklch(42.6% 0.127 261.1)
-
Step 900
900
#214075
oklch(37.7% 0.098 260.4)
-
Step 950
950
#142645
oklch(27.1% 0.063 260.6)
#4E83E0 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) | #588CE4 | 0.027 |
| Deuteranopia (no green cones) | #417EDE | 0.019 |
| Tritanopia (no blue cones) | #0098A6 | 0.125 |
| Achromatopsia (no color) | #848484 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E83E0
#4E83E0
oklch(61.8% 0.152 260.8)
- #AD7C00
#AD7C00
oklch(61.9% 0.128 80.8)
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 #4E83E0, 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 0.032
- Chefchaouen Blue #4895EF ΔE 0.049
- Water Blue #0E87CC ΔE 0.051
- Cornflower #6A79F7 ΔE 0.054
- Dodger Blue #1E90FF ΔE 0.056
- Cornflower Blue #6495ED ΔE 0.057
- Clear Blue #247AFD ΔE 0.061
Use #4E83E0 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.