#408FAC
Closest named color: Blue NCS (#118AB2). oklch(61.3% 0.088 225.2), rgb(64, 143, 172).
Aa
Black text reads best on this color (5.74:1).
About this color
#408FAC is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.088 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.032 away. Black text reads best on it, at 5.74:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.74:1 |
| White text | 3.65:1 |
Values
| HEX | #408FAC |
| RGB | rgb(64, 143, 172) |
| HSL | hsl(196, 46%, 46%) |
| OKLCH | oklch(61.3% 0.088 225.2) |
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 #408FAC | 3.65:1 | AA large text | Lc -69.4 | Content text, not long reading |
| Black text on #408FAC | 5.74:1 | AA | Lc 40.1 | Non-text elements, placeholder text |
| #408FAC text on white | 3.65:1 | AA large text | Lc 63.9 | Content text, not long reading |
| #408FAC text on black | 5.74:1 | AA | Lc -37.7 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#C9DDE5
oklch(88.5% 0.024 223.7)
-
Step 300
300
#A4C7D6
oklch(80.9% 0.043 225.7)
-
Step 400
400
#70AAC1
oklch(70.7% 0.069 225)
-
Step 500
500 (this color)
#408FAC
oklch(61.3% 0.088 225.2)
-
Step 600
600
#207F9E
oklch(55.8% 0.096 225.1)
-
Step 700
700
#0E6B87
oklch(49.2% 0.089 225)
-
Step 800
800
#12576D
oklch(42.7% 0.074 224.7)
-
Step 900
900
#194859
oklch(37.8% 0.058 225.5)
-
Step 950
950
#102A34
oklch(27% 0.037 225.8)
#408FAC 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) | #7F8CAE | 0.068 |
| Deuteranopia (no green cones) | #7081AC | 0.060 |
| Tritanopia (no blue cones) | #009898 | 0.053 |
| Achromatopsia (no color) | #868686 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #408FAC
#408FAC
oklch(61.3% 0.088 225.2)
- #B07356
#B07356
oklch(61.3% 0.088 46.1)
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 #408FAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.032
- Dusty Blue #5A86AD ΔE 0.033
- Off Blue #5684AE ΔE 0.036
- Cool Blue #4984B8 ΔE 0.042
- Teal Blue #01889F ΔE 0.042
- Steel Blue #4682B4 ΔE 0.043
- Faded Blue #658CBB ΔE 0.046
- Teal Green #0A9396 ΔE 0.048
Use #408FAC 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.