#418EA3
Closest named color: Teal Blue (#01889F). oklch(60.7% 0.082 218.4), rgb(65, 142, 163).
Aa
Black text reads best on this color (5.62:1).
About this color
#418EA3 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.082 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.036 away. Black text reads best on it, at 5.62:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.62:1 |
| White text | 3.73:1 |
Values
| HEX | #418EA3 |
| RGB | rgb(65, 142, 163) |
| HSL | hsl(193, 43%, 45%) |
| OKLCH | oklch(60.7% 0.082 218.4) |
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 #418EA3 | 3.73:1 | AA large text | Lc -70.2 | Content text, not long reading |
| Black text on #418EA3 | 5.62:1 | AA | Lc 39.4 | Non-text elements, placeholder text |
| #418EA3 text on white | 3.73:1 | AA large text | Lc 64.7 | Content text, not long reading |
| #418EA3 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
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CADDE3
oklch(88.5% 0.022 218.6)
-
Step 300
300
#A5C7D2
oklch(80.8% 0.04 219.4)
-
Step 400
400
#72ABBB
oklch(70.8% 0.064 217.3)
-
Step 500
500 (this color)
#418EA3
oklch(60.7% 0.082 218.4)
-
Step 600
600
#257F96
oklch(55.5% 0.089 218.9)
-
Step 700
700
#156C80
oklch(49.2% 0.082 217.9)
-
Step 800
800
#165868
oklch(42.8% 0.068 217.9)
-
Step 900
900
#1B4854
oklch(37.6% 0.053 218.2)
-
Step 950
950
#112A31
oklch(26.8% 0.033 218.4)
#418EA3 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) | #818AA4 | 0.071 |
| Deuteranopia (no green cones) | #7280A3 | 0.062 |
| Tritanopia (no blue cones) | #009595 | 0.044 |
| Achromatopsia (no color) | #848484 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #418EA3
#418EA3
oklch(60.7% 0.082 218.4)
- #AD715E
#AD715E
oklch(60.7% 0.082 38.3)
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 #418EA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.036
- Blue NCS #118AB2 ΔE 0.037
- Teal Green #0A9396 ΔE 0.039
- Dusty Blue #5A86AD ΔE 0.039
- Off Blue #5684AE ΔE 0.042
- Sea #3C9992 ΔE 0.048
- Dusty Teal #4C9085 ΔE 0.049
- Steel Blue #4682B4 ΔE 0.050
Use #418EA3 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.