#418EB5
Closest named color: Dusty Blue (#5A86AD). oklch(61.5% 0.096 233.4), rgb(65, 142, 181).
Aa
Black text reads best on this color (5.76:1).
About this color
#418EB5 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.096 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.029 away. Black text reads best on it, at 5.76:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.76:1 |
| White text | 3.64:1 |
Values
| HEX | #418EB5 |
| RGB | rgb(65, 142, 181) |
| HSL | hsl(200, 47%, 48%) |
| OKLCH | oklch(61.5% 0.096 233.4) |
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 #418EB5 | 3.64:1 | AA large text | Lc -69.3 | Content text, not long reading |
| Black text on #418EB5 | 5.76:1 | AA | Lc 40.3 | Non-text elements, placeholder text |
| #418EB5 text on white | 3.64:1 | AA large text | Lc 63.8 | Content text, not long reading |
| #418EB5 text on black | 5.76:1 | AA | Lc -37.9 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C9DCE8
oklch(88.4% 0.026 235.4)
-
Step 300
300
#A4C6DA
oklch(80.8% 0.046 233.9)
-
Step 400
400
#70A9C8
oklch(70.7% 0.075 233.1)
-
Step 500
500 (this color)
#418EB5
oklch(61.5% 0.096 233.4)
-
Step 600
600
#217DA6
oklch(55.7% 0.104 232.9)
-
Step 700
700
#10698F
oklch(49.1% 0.097 233.6)
-
Step 800
800
#135674
oklch(42.8% 0.08 233.2)
-
Step 900
900
#19475D
oklch(37.7% 0.062 232.6)
-
Step 950
950
#102A37
oklch(27.1% 0.04 232.6)
#418EB5 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) | #7B8DB7 | 0.062 |
| Deuteranopia (no green cones) | #6B81B4 | 0.052 |
| Tritanopia (no blue cones) | #00989B | 0.063 |
| Achromatopsia (no color) | #868686 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #418EB5
#418EB5
oklch(61.5% 0.096 233.4)
- #B2744B
#B2744B
oklch(61.5% 0.096 53.5)
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 #418EB5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.029
- Blue NCS #118AB2 ΔE 0.029
- Cool Blue #4984B8 ΔE 0.030
- Off Blue #5684AE ΔE 0.031
- Steel Blue #4682B4 ΔE 0.034
- Faded Blue #658CBB ΔE 0.037
- Teal Blue #01889F ΔE 0.049
- Water Blue #0E87CC ΔE 0.051
Use #418EB5 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.