#4EA8EF
Closest named color: Cornflower Blue (#6495ED). oklch(70.8% 0.135 245.3), rgb(78, 168, 239).
Aa
Black text reads best on this color (8.17:1).
About this color
#4EA8EF is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.135 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.051 away. Black text reads best on it, at 8.17:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.135) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 8.17:1 |
| White text | 2.56:1 |
Values
| HEX | #4EA8EF |
| RGB | rgb(78, 168, 239) |
| HSL | hsl(206, 83%, 62%) |
| OKLCH | oklch(70.8% 0.135 245.3) |
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 #4EA8EF | 2.56:1 | Fails | Lc -55.1 | Large or bold text, headings |
| Black text on #4EA8EF | 8.17:1 | AAA | Lc 54.0 | Large or bold text, headings |
| #4EA8EF text on white | 2.56:1 | Fails | Lc 50.0 | Large or bold text, headings |
| #4EA8EF text on black | 8.17:1 | AAA | Lc -52.0 | Large or bold text, headings |
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 400.
-
Step 50
50
#EFF6FD
oklch(97% 0.012 248)
-
Step 100
100
#DDECFA
oklch(93.6% 0.025 246.2)
-
Step 200
200
#C0DDF7
oklch(88.5% 0.047 245.4)
-
Step 300
300
#93C7F4
oklch(81% 0.084 245.2)
-
Step 400
400 (this color)
#4EA8EF
oklch(70.8% 0.135 245.3)
-
Step 500
500
#0090E3
oklch(63.2% 0.16 245.3)
-
Step 600
600
#0079BF
oklch(55.7% 0.14 245)
-
Step 700
700
#0065A2
oklch(49% 0.125 245.5)
-
Step 800
800
#005386
oklch(42.8% 0.108 245.3)
-
Step 900
900
#004570
oklch(37.7% 0.095 244.9)
-
Step 950
950
#002945
oklch(27.1% 0.068 244.5)
#4EA8EF 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) | #88AAF2 | 0.058 |
| Deuteranopia (no green cones) | #729BEE | 0.044 |
| Tritanopia (no blue cones) | #00B9C1 | 0.099 |
| Achromatopsia (no color) | #A1A1A1 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4EA8EF
#4EA8EF
oklch(70.8% 0.135 245.3)
- #D98D37
#D98D37
oklch(70.7% 0.135 65.3)
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 #4EA8EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.051
- Chefchaouen Blue #4895EF ΔE 0.053
- Deep Sky Blue #00BFFF ΔE 0.062
- Dark Sky Blue #448EE4 ΔE 0.072
- Periwinkle Blue #8F99FB ΔE 0.078
- Carolina Blue #8AB8FE ΔE 0.079
- Dodger Blue #1E90FF ΔE 0.081
- Turquoise Blue #06B1C4 ΔE 0.083
Use #4EA8EF 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.