#418AAC
Closest named color: Blue NCS (#118AB2). oklch(60.1% 0.089 231), rgb(65, 138, 172).
Aa
Black text reads best on this color (5.45:1).
About this color
#418AAC is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.089 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.025 away. Black text reads best on it, at 5.45:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.45:1 |
| White text | 3.84:1 |
Values
| HEX | #418AAC |
| RGB | rgb(65, 138, 172) |
| HSL | hsl(199, 45%, 46%) |
| OKLCH | oklch(60.1% 0.089 231) |
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 #418AAC | 3.84:1 | AA large text | Lc -71.3 | Content text, not long reading |
| Black text on #418AAC | 5.45:1 | AA | Lc 38.3 | Non-text elements, placeholder text |
| #418AAC text on white | 3.84:1 | AA large text | Lc 65.8 | Content text, not long reading |
| #418AAC text on black | 5.45:1 | AA | Lc -35.9 | 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
#E2ECF1
oklch(93.7% 0.013 228.9)
-
Step 200
200
#CADCE6
oklch(88.4% 0.024 231.9)
-
Step 300
300
#A5C6D8
oklch(80.8% 0.044 231.9)
-
Step 400
400
#73A9C4
oklch(70.7% 0.069 230.7)
-
Step 500
500 (this color)
#418AAC
oklch(60.1% 0.089 231)
-
Step 600
600
#287DA1
oklch(55.6% 0.096 230.6)
-
Step 700
700
#19698A
oklch(49% 0.09 231.1)
-
Step 800
800
#195670
oklch(42.7% 0.074 230.7)
-
Step 900
900
#1C475B
oklch(37.7% 0.058 231.3)
-
Step 950
950
#122A35
oklch(27.1% 0.036 229.8)
#418AAC 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) | #7988AE | 0.061 |
| Deuteranopia (no green cones) | #6A7DAC | 0.053 |
| Tritanopia (no blue cones) | #009395 | 0.058 |
| Achromatopsia (no color) | #828282 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #418AAC
#418AAC
oklch(60.1% 0.089 231)
- #AB714E
#AB714E
oklch(60.2% 0.089 51.5)
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 #418AAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.025
- Dusty Blue #5A86AD ΔE 0.025
- Off Blue #5684AE ΔE 0.025
- Steel Blue #4682B4 ΔE 0.029
- Cool Blue #4984B8 ΔE 0.030
- Teal Blue #01889F ΔE 0.038
- Stormy Blue #507B9C ΔE 0.044
- Cerulean #457B9D ΔE 0.044
Use #418AAC 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.