#406E97
Closest named color: Muted Blue (#3B719F). oklch(52.3% 0.083 247), rgb(64, 110, 151).
Aa
White text reads best on this color (5.39:1).
About this color
#406E97 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.083 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Muted Blue (#3B719F), ΔE 0.014 away. White text reads best on it, at 5.39:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Muted Blue (#3B719F) |
| Black text | 3.89:1 |
| White text | 5.39:1 |
Values
| HEX | #406E97 |
| RGB | rgb(64, 110, 151) |
| HSL | hsl(208, 40%, 42%) |
| OKLCH | oklch(52.3% 0.083 247) |
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 #406E97 | 5.39:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #406E97 | 3.89:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #406E97 text on white | 5.39:1 | AA | Lc 76.7 | Fine for body text |
| #406E97 text on black | 3.89:1 | AA large text | Lc -25.0 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CEDBE7
oklch(88.5% 0.022 245.9)
-
Step 300
300
#ADC4DA
oklch(81% 0.04 247.1)
-
Step 400
400
#81A5C7
oklch(70.8% 0.064 247.3)
-
Step 500
500
#608EB9
oklch(63.1% 0.082 247.6)
-
Step 600
600
#4578A5
oklch(55.7% 0.089 246.8)
-
Step 700
700 (this color)
#406E97
oklch(52.3% 0.083 247)
-
Step 800
800
#2E5272
oklch(42.6% 0.068 247)
-
Step 900
900
#29445C
oklch(37.6% 0.053 246.6)
-
Step 950
950
#192836
oklch(27% 0.033 247.4)
#406E97 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) | #5D6F99 | 0.035 |
| Deuteranopia (no green cones) | #516696 | 0.028 |
| Tritanopia (no blue cones) | #00787C | 0.070 |
| Achromatopsia (no color) | #6A6A6A | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #406E97
#406E97
oklch(52.3% 0.083 247)
- #8A6032
#8A6032
oklch(52.4% 0.083 66.7)
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 #406E97, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Blue #3B719F ΔE 0.014
- Dull Blue #49759C ΔE 0.024
- Flat Blue #3C73A8 ΔE 0.027
- Metallic Blue #4F738E ΔE 0.029
- Ocean Blue #03719C ΔE 0.033
- Denim #3B638C ΔE 0.035
- Sea Blue #047495 ΔE 0.036
- French Blue #436BAD ΔE 0.039
Use #406E97 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.