#418BEF
Closest named color: Dark Sky Blue (#448EE4). oklch(64% 0.167 256.9), rgb(65, 139, 239).
Aa
Black text reads best on this color (6.16:1).
About this color
#418BEF is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.167 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.020 away. Black text reads best on it, at 6.16:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.167) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.16:1 |
| White text | 3.40:1 |
Values
| HEX | #418BEF |
| RGB | rgb(65, 139, 239) |
| HSL | hsl(214, 84%, 60%) |
| OKLCH | oklch(64% 0.167 256.9) |
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 #418BEF | 3.40:1 | AA large text | Lc -66.6 | Content text, not long reading |
| Black text on #418BEF | 6.16:1 | AA | Lc 42.9 | Non-text elements, placeholder text |
| #418BEF text on white | 3.40:1 | AA large text | Lc 61.2 | Content text, not long reading |
| #418BEF text on black | 6.16:1 | AA | Lc -40.5 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFA
oklch(93.6% 0.024 256.1)
-
Step 200
200
#C6DBF8
oklch(88.5% 0.046 256.5)
-
Step 300
300
#9FC3F6
oklch(80.9% 0.082 257.1)
-
Step 400
400
#69A2F1
oklch(70.7% 0.131 256.8)
-
Step 500
500 (this color)
#418BEF
oklch(64% 0.167 256.9)
-
Step 600
600
#186FDA
oklch(55.5% 0.182 256.9)
-
Step 700
700
#075DBE
oklch(49.2% 0.169 256.8)
-
Step 800
800
#0D4C99
oklch(42.6% 0.14 256.9)
-
Step 900
900
#15407A
oklch(37.6% 0.109 257.2)
-
Step 950
950
#0E2647
oklch(27% 0.068 257.1)
#418BEF 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) | #5A94F3 | 0.035 |
| Deuteranopia (no green cones) | #3C84ED | 0.019 |
| Tritanopia (no blue cones) | #00A2B1 | 0.130 |
| Achromatopsia (no color) | #8B8B8B | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #418BEF
#418BEF
oklch(64% 0.167 256.9)
- #B97F00
#B97F00
oklch(63.9% 0.134 76.7)
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 #418BEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.020
- Chefchaouen Blue #4895EF ΔE 0.028
- Dodger Blue #1E90FF ΔE 0.028
- Soft Blue #6488EA ΔE 0.032
- Cornflower Blue #6495ED ΔE 0.045
- Clear Blue #247AFD ΔE 0.056
- Cornflower #6A79F7 ΔE 0.059
- Water Blue #0E87CC ΔE 0.062
Use #418BEF 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.