#4E8CD9
Closest named color: Dark Sky Blue (#448EE4). oklch(63.4% 0.133 254.9), rgb(78, 140, 217).
Aa
Black text reads best on this color (6.07:1).
About this color
#4E8CD9 is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.133 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.017 away. Black text reads best on it, at 6.07:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.07:1 |
| White text | 3.45:1 |
Values
| HEX | #4E8CD9 |
| RGB | rgb(78, 140, 217) |
| HSL | hsl(213, 65%, 58%) |
| OKLCH | oklch(63.4% 0.133 254.9) |
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 #4E8CD9 | 3.45:1 | AA large text | Lc -67.3 | Content text, not long reading |
| Black text on #4E8CD9 | 6.07:1 | AA | Lc 42.2 | Non-text elements, placeholder text |
| #4E8CD9 text on white | 3.45:1 | AA large text | Lc 61.9 | Content text, not long reading |
| #4E8CD9 text on black | 6.07:1 | AA | Lc -39.8 | 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
#CADBF1
oklch(88.6% 0.035 254.9)
-
Step 300
300
#A5C3EB
oklch(80.9% 0.066 255.7)
-
Step 400
400
#73A3E1
oklch(70.6% 0.105 255.2)
-
Step 500
500 (this color)
#4E8CD9
oklch(63.4% 0.133 254.9)
-
Step 600
600
#2F74C6
oklch(55.7% 0.145 254.8)
-
Step 700
700
#2161AB
oklch(49.2% 0.134 254.7)
-
Step 800
800
#1D4F8A
oklch(42.6% 0.111 254.8)
-
Step 900
900
#1E426E
oklch(37.6% 0.086 254.8)
-
Step 950
950
#122741
oklch(27% 0.056 254.8)
#4E8CD9 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) | #6A91DC | 0.034 |
| Deuteranopia (no green cones) | #5784D7 | 0.022 |
| Tritanopia (no blue cones) | #009EA8 | 0.109 |
| Achromatopsia (no color) | #8A8A8A | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E8CD9
#4E8CD9
oklch(63.4% 0.133 254.9)
- #B97C03
#B97C03
oklch(63.4% 0.133 74.4)
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 #4E8CD9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.017
- Chefchaouen Blue #4895EF ΔE 0.037
- Soft Blue #6488EA ΔE 0.037
- Cornflower Blue #6495ED ΔE 0.044
- Water Blue #0E87CC ΔE 0.046
- Faded Blue #658CBB ΔE 0.050
- Cool Blue #4984B8 ΔE 0.052
- Steel Blue #4682B4 ΔE 0.060
Use #4E8CD9 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.