#408CAE
Closest named color: Blue NCS (#118AB2). oklch(60.6% 0.091 230.1), rgb(64, 140, 174).
Aa
Black text reads best on this color (5.58:1).
About this color
#408CAE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.091 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.026 away. Black text reads best on it, at 5.58:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.58:1 |
| White text | 3.76:1 |
Values
| HEX | #408CAE |
| RGB | rgb(64, 140, 174) |
| HSL | hsl(199, 46%, 47%) |
| OKLCH | oklch(60.6% 0.091 230.1) |
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 #408CAE | 3.76:1 | AA large text | Lc -70.5 | Content text, not long reading |
| Black text on #408CAE | 5.58:1 | AA | Lc 39.1 | Non-text elements, placeholder text |
| #408CAE text on white | 3.76:1 | AA large text | Lc 65.0 | Content text, not long reading |
| #408CAE text on black | 5.58:1 | AA | Lc -36.7 | 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
#C9DDE6
oklch(88.5% 0.025 226.5)
-
Step 300
300
#A4C7D8
oklch(81% 0.044 228.9)
-
Step 400
400
#71A9C5
oklch(70.6% 0.071 230.8)
-
Step 500
500 (this color)
#408CAE
oklch(60.6% 0.091 230.1)
-
Step 600
600
#247DA2
oklch(55.5% 0.099 230.6)
-
Step 700
700
#146A8B
oklch(49.2% 0.092 230.1)
-
Step 800
800
#155670
oklch(42.6% 0.076 229.8)
-
Step 900
900
#1A475B
oklch(37.6% 0.059 230.5)
-
Step 950
950
#112A35
oklch(27.1% 0.037 229)
#408CAE 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) | #7B8AB0 | 0.064 |
| Deuteranopia (no green cones) | #6B7FAE | 0.054 |
| Tritanopia (no blue cones) | #009597 | 0.057 |
| Achromatopsia (no color) | #848484 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #408CAE
#408CAE
oklch(60.6% 0.091 230.1)
- #AE724F
#AE724F
oklch(60.7% 0.091 50.6)
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 #408CAE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.026
- Dusty Blue #5A86AD ΔE 0.027
- Off Blue #5684AE ΔE 0.028
- Cool Blue #4984B8 ΔE 0.032
- Steel Blue #4682B4 ΔE 0.033
- Teal Blue #01889F ΔE 0.040
- Faded Blue #658CBB ΔE 0.043
- Stormy Blue #507B9C ΔE 0.049
Use #408CAE 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.