#4E83D7
Closest named color: Dark Sky Blue (#448EE4). oklch(61.3% 0.14 259.2), rgb(78, 131, 215).
Aa
Black text reads best on this color (5.55:1).
About this color
#4E83D7 is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.140 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.032 away. Black text reads best on it, at 5.55:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.140) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.55:1 |
| White text | 3.78:1 |
Values
| HEX | #4E83D7 |
| RGB | rgb(78, 131, 215) |
| HSL | hsl(217, 63%, 57%) |
| OKLCH | oklch(61.3% 0.14 259.2) |
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 #4E83D7 | 3.78:1 | AA large text | Lc -70.6 | Content text, not long reading |
| Black text on #4E83D7 | 5.55:1 | AA | Lc 39.0 | Non-text elements, placeholder text |
| #4E83D7 text on white | 3.78:1 | AA large text | Lc 65.1 | Content text, not long reading |
| #4E83D7 text on black | 5.55:1 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF7
oklch(93.5% 0.02 260.2)
-
Step 200
200
#CADAF3
oklch(88.4% 0.039 259.3)
-
Step 300
300
#A7C2ED
oklch(80.9% 0.068 259.6)
-
Step 400
400
#77A1E5
oklch(70.6% 0.11 259.7)
-
Step 500
500 (this color)
#4E83D7
oklch(61.3% 0.14 259.2)
-
Step 600
600
#3871CB
oklch(55.7% 0.152 259.3)
-
Step 700
700
#2A5EAF
oklch(49.1% 0.141 259.1)
-
Step 800
800
#244D8E
oklch(42.7% 0.117 259.3)
-
Step 900
900
#224171
oklch(37.8% 0.09 258.9)
-
Step 950
950
#142642
oklch(26.9% 0.058 258.9)
#4E83D7 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) | #5E8ADA | 0.027 |
| Deuteranopia (no green cones) | #4A7DD5 | 0.017 |
| Tritanopia (no blue cones) | #0096A3 | 0.115 |
| Achromatopsia (no color) | #838383 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E83D7
#4E83D7
oklch(61.3% 0.14 259.2)
- #AC7900
#AC7900
oklch(61.2% 0.127 79.1)
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 #4E83D7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.032
- Soft Blue #6488EA ΔE 0.040
- Water Blue #0E87CC ΔE 0.043
- Cool Blue #4984B8 ΔE 0.049
- Windows Blue #3778BF ΔE 0.052
- Chefchaouen Blue #4895EF ΔE 0.054
- Steel Blue #4682B4 ΔE 0.055
- Faded Blue #658CBB ΔE 0.060
Use #4E83D7 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.