#418DAB
Closest named color: Blue NCS (#118AB2). oklch(60.8% 0.087 226.8), rgb(65, 141, 171).
Aa
Black text reads best on this color (5.62:1).
About this color
#418DAB is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.087 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.029 away. Black text reads best on it, at 5.62:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.62:1 |
| White text | 3.73:1 |
Values
| HEX | #418DAB |
| RGB | rgb(65, 141, 171) |
| HSL | hsl(197, 45%, 46%) |
| OKLCH | oklch(60.8% 0.087 226.8) |
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 #418DAB | 3.73:1 | AA large text | Lc -70.2 | Content text, not long reading |
| Black text on #418DAB | 5.62:1 | AA | Lc 39.4 | Non-text elements, placeholder text |
| #418DAB text on white | 3.73:1 | AA large text | Lc 64.7 | Content text, not long reading |
| #418DAB text on black | 5.62:1 | AA | Lc -37.0 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CADDE5
oklch(88.6% 0.023 224.9)
-
Step 300
300
#A4C7D6
oklch(80.9% 0.043 225.7)
-
Step 400
400
#72AAC2
oklch(70.8% 0.068 226.8)
-
Step 500
500 (this color)
#418DAB
oklch(60.8% 0.087 226.8)
-
Step 600
600
#247E9E
oklch(55.6% 0.095 226.7)
-
Step 700
700
#146A87
oklch(49% 0.088 226.8)
-
Step 800
800
#16576E
oklch(42.8% 0.073 226.5)
-
Step 900
900
#1B4859
oklch(37.8% 0.057 226.2)
-
Step 950
950
#112A34
oklch(27% 0.036 226.6)
#418DAB 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) | #7D8AAD | 0.066 |
| Deuteranopia (no green cones) | #6E7FAB | 0.058 |
| Tritanopia (no blue cones) | #009697 | 0.054 |
| Achromatopsia (no color) | #848484 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #418DAB
#418DAB
oklch(60.8% 0.087 226.8)
- #AE7254
#AE7254
oklch(60.8% 0.088 47.2)
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 #418DAB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.029
- Dusty Blue #5A86AD ΔE 0.030
- Off Blue #5684AE ΔE 0.032
- Cool Blue #4984B8 ΔE 0.038
- Steel Blue #4682B4 ΔE 0.038
- Teal Blue #01889F ΔE 0.039
- Faded Blue #658CBB ΔE 0.046
- Teal Green #0A9396 ΔE 0.050
Use #418DAB 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.