#408FB2
Closest named color: Blue NCS (#118AB2). oklch(61.5% 0.093 230), rgb(64, 143, 178).
Aa
Black text reads best on this color (5.78:1).
About this color
#408FB2 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.093 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.030 away. Black text reads best on it, at 5.78:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.78:1 |
| White text | 3.62:1 |
Values
| HEX | #408FB2 |
| RGB | rgb(64, 143, 178) |
| HSL | hsl(198, 47%, 47%) |
| OKLCH | oklch(61.5% 0.093 230) |
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 #408FB2 | 3.62:1 | AA large text | Lc -69.1 | Content text, not long reading |
| Black text on #408FB2 | 5.78:1 | AA | Lc 40.4 | Non-text elements, placeholder text |
| #408FB2 text on white | 3.62:1 | AA large text | Lc 63.6 | Content text, not long reading |
| #408FB2 text on black | 5.78:1 | AA | Lc -38.0 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C9DDE7
oklch(88.6% 0.025 229.2)
-
Step 300
300
#A3C7D9
oklch(80.9% 0.046 229.7)
-
Step 400
400
#70AAC6
oklch(70.8% 0.073 229.9)
-
Step 500
500 (this color)
#408FB2
oklch(61.5% 0.093 230)
-
Step 600
600
#1E7EA3
oklch(55.7% 0.101 229.6)
-
Step 700
700
#0D6A8C
oklch(49.2% 0.094 230.1)
-
Step 800
800
#125671
oklch(42.6% 0.078 230.2)
-
Step 900
900
#18475C
oklch(37.6% 0.062 231)
-
Step 950
950
#102A36
oklch(27.1% 0.039 230.5)
#408FB2 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) | #7D8DB4 | 0.065 |
| Deuteranopia (no green cones) | #6D81B2 | 0.057 |
| Tritanopia (no blue cones) | #00999A | 0.060 |
| Achromatopsia (no color) | #868686 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #408FB2
#408FB2
oklch(61.5% 0.093 230)
- #B27450
#B27450
oklch(61.6% 0.093 50.5)
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 #408FB2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.030
- Dusty Blue #5A86AD ΔE 0.031
- Off Blue #5684AE ΔE 0.034
- Cool Blue #4984B8 ΔE 0.036
- Steel Blue #4682B4 ΔE 0.039
- Faded Blue #658CBB ΔE 0.040
- Teal Blue #01889F ΔE 0.047
- Blue Grey #758DA3 ΔE 0.056
Use #408FB2 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.