#418BD1
Closest named color: Dark Sky Blue (#448EE4). oklch(62.2% 0.129 249.6), rgb(65, 139, 209).
Aa
Black text reads best on this color (5.83:1).
About this color
#418BD1 is a medium-light, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.129 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.029 away. Black text reads best on it, at 5.83:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.83:1 |
| White text | 3.59:1 |
Values
| HEX | #418BD1 |
| RGB | rgb(65, 139, 209) |
| HSL | hsl(209, 61%, 54%) |
| OKLCH | oklch(62.2% 0.129 249.6) |
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 #418BD1 | 3.59:1 | AA large text | Lc -68.8 | Content text, not long reading |
| Black text on #418BD1 | 5.83:1 | AA | Lc 40.8 | Non-text elements, placeholder text |
| #418BD1 text on white | 3.59:1 | AA large text | Lc 63.3 | Content text, not long reading |
| #418BD1 text on black | 5.83:1 | AA | Lc -38.4 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C8DCF0
oklch(88.6% 0.035 248.2)
-
Step 300
300
#A2C5E8
oklch(81% 0.062 248.6)
-
Step 400
400
#6EA5DD
oklch(70.6% 0.101 249.9)
-
Step 500
500 (this color)
#418BD1
oklch(62.2% 0.129 249.6)
-
Step 600
600
#1F76C1
oklch(55.5% 0.141 249.7)
-
Step 700
700
#0F63A7
oklch(49.1% 0.131 249.7)
-
Step 800
800
#125187
oklch(42.6% 0.108 249.7)
-
Step 900
900
#18446C
oklch(37.8% 0.084 249.3)
-
Step 950
950
#0F283F
oklch(27% 0.053 248.7)
#418BD1 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) | #6C8ED4 | 0.045 |
| Deuteranopia (no green cones) | #5781D0 | 0.031 |
| Tritanopia (no blue cones) | #009CA4 | 0.099 |
| Achromatopsia (no color) | #878787 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #418BD1
#418BD1
oklch(62.2% 0.129 249.6)
- #B87615
#B87615
oklch(62.1% 0.129 69.1)
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 #418BD1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.029
- Water Blue #0E87CC ΔE 0.031
- Cool Blue #4984B8 ΔE 0.039
- Steel Blue #4682B4 ΔE 0.046
- Faded Blue #658CBB ΔE 0.047
- Chefchaouen Blue #4895EF ΔE 0.050
- Off Blue #5684AE ΔE 0.053
- Soft Blue #6488EA ΔE 0.054
Use #418BD1 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.