#4D8EE9
Closest named color: Dark Sky Blue (#448EE4). oklch(64.7% 0.152 257.2), rgb(77, 142, 233).
Aa
Black text reads best on this color (6.36:1).
About this color
#4D8EE9 is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.152 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.011 away. Black text reads best on it, at 6.36:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.152) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.36:1 |
| White text | 3.30:1 |
Values
| HEX | #4D8EE9 |
| RGB | rgb(77, 142, 233) |
| HSL | hsl(215, 78%, 61%) |
| OKLCH | oklch(64.7% 0.152 257.2) |
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 #4D8EE9 | 3.30:1 | AA large text | Lc -65.5 | Content text, not long reading |
| Black text on #4D8EE9 | 6.36:1 | AA | Lc 44.0 | Non-text elements, placeholder text |
| #4D8EE9 text on white | 3.30:1 | AA large text | Lc 60.1 | Content text, not long reading |
| #4D8EE9 text on black | 6.36:1 | AA | Lc -41.6 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF9
oklch(93.7% 0.022 256.7)
-
Step 200
200
#C8DBF5
oklch(88.5% 0.041 256.2)
-
Step 300
300
#A2C3F1
oklch(80.9% 0.075 256.7)
-
Step 400
400
#70A2EA
oklch(70.7% 0.119 257.5)
-
Step 500
500 (this color)
#4D8EE9
oklch(64.7% 0.152 257.2)
-
Step 600
600
#2871D2
oklch(55.7% 0.166 257.1)
-
Step 700
700
#1B5EB6
oklch(49.2% 0.154 257.3)
-
Step 800
800
#194D93
oklch(42.7% 0.128 257.3)
-
Step 900
900
#1B4175
oklch(37.7% 0.099 257.1)
-
Step 950
950
#112645
oklch(27% 0.064 258.1)
#4D8EE9 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) | #6595ED | 0.033 |
| Deuteranopia (no green cones) | #4D87E7 | 0.018 |
| Tritanopia (no blue cones) | #00A3B0 | 0.122 |
| Achromatopsia (no color) | #8D8D8D | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D8EE9
#4D8EE9
oklch(64.7% 0.152 257.2)
- #BB8100
#BB8100
oklch(64.5% 0.135 77.1)
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 #4D8EE9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.011
- Chefchaouen Blue #4895EF ΔE 0.019
- Soft Blue #6488EA ΔE 0.026
- Cornflower Blue #6495ED ΔE 0.032
- Dodger Blue #1E90FF ΔE 0.040
- Water Blue #0E87CC ΔE 0.062
- Cornflower #6A79F7 ΔE 0.064
- Faded Blue #658CBB ΔE 0.071
Use #4D8EE9 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.