#4E83D1
Closest named color: Dark Sky Blue (#448EE4). oklch(61% 0.132 258), rgb(78, 131, 209).
Aa
Black text reads best on this color (5.49:1).
About this color
#4E83D1 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.132 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.037 away. Black text reads best on it, at 5.49:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.49:1 |
| White text | 3.82:1 |
Values
| HEX | #4E83D1 |
| RGB | rgb(78, 131, 209) |
| HSL | hsl(216, 59%, 56%) |
| OKLCH | oklch(61% 0.132 258) |
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 #4E83D1 | 3.82:1 | AA large text | Lc -71.0 | Content text, not long reading |
| Black text on #4E83D1 | 5.49:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #4E83D1 text on white | 3.82:1 | AA large text | Lc 65.5 | Content text, not long reading |
| #4E83D1 text on black | 5.49:1 | AA | Lc -36.1 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF7
oklch(93.7% 0.019 255.5)
-
Step 200
200
#CBDAF1
oklch(88.4% 0.036 258.9)
-
Step 300
300
#A7C2EB
oklch(80.8% 0.065 258.6)
-
Step 400
400
#78A2E1
oklch(70.7% 0.104 258.3)
-
Step 500
500 (this color)
#4E83D1
oklch(61% 0.132 258)
-
Step 600
600
#3872C6
oklch(55.6% 0.144 257.9)
-
Step 700
700
#2B5FAB
oklch(49.1% 0.134 258.1)
-
Step 800
800
#254E8A
oklch(42.7% 0.11 258.1)
-
Step 900
900
#23416F
oklch(37.7% 0.087 258.7)
-
Step 950
950
#152741
oklch(27.2% 0.054 257.6)
#4E83D1 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) | #6189D4 | 0.028 |
| Deuteranopia (no green cones) | #4F7DCF | 0.016 |
| Tritanopia (no blue cones) | #0095A0 | 0.110 |
| Achromatopsia (no color) | #828282 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E83D1
#4E83D1
oklch(61% 0.132 258)
- #AC7800
#AC7800
oklch(61% 0.127 78.4)
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 #4E83D1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.037
- Water Blue #0E87CC ΔE 0.039
- Cool Blue #4984B8 ΔE 0.040
- Steel Blue #4682B4 ΔE 0.046
- Windows Blue #3778BF ΔE 0.046
- Soft Blue #6488EA ΔE 0.047
- Faded Blue #658CBB ΔE 0.053
- Off Blue #5684AE ΔE 0.055
Use #4E83D1 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.