#3D6AAA
Closest named color: French Blue (#436BAD). oklch(52.3% 0.113 257.4), rgb(61, 106, 170).
Aa
White text reads best on this color (5.46:1).
About this color
#3D6AAA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.113 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.009 away. White text reads best on it, at 5.46:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.84:1 |
| White text | 5.46:1 |
Values
| HEX | #3D6AAA |
| RGB | rgb(61, 106, 170) |
| HSL | hsl(215, 47%, 45%) |
| OKLCH | oklch(52.3% 0.113 257.4) |
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 #3D6AAA | 5.46:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #3D6AAA | 3.84:1 | AA large text | Lc 27.0 | Dividers and decoration only |
| #3D6AAA text on white | 5.46:1 | AA | Lc 77.1 | Fine for body text |
| #3D6AAA text on black | 3.84:1 | AA large text | Lc -24.7 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EAF5
oklch(93.5% 0.017 259.4)
-
Step 200
200
#CDDAEE
oklch(88.5% 0.031 258.9)
-
Step 300
300
#ABC2E4
oklch(80.8% 0.054 258)
-
Step 400
400
#7EA2D7
oklch(70.6% 0.088 257.9)
-
Step 500
500
#5D8BCC
oklch(63.2% 0.111 257.1)
-
Step 600
600
#4273B9
oklch(55.5% 0.122 257.5)
-
Step 700
700 (this color)
#3D6AAA
oklch(52.3% 0.113 257.4)
-
Step 800
800
#2C4F81
oklch(42.7% 0.093 257.5)
-
Step 900
900
#274268
oklch(37.7% 0.073 257.1)
-
Step 950
950
#17273D
oklch(27% 0.047 256.6)
#3D6AAA 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) | #4E6FAD | 0.025 |
| Deuteranopia (no green cones) | #3F65A9 | 0.014 |
| Tritanopia (no blue cones) | #007982 | 0.094 |
| Achromatopsia (no color) | #696969 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D6AAA
#3D6AAA
oklch(52.3% 0.113 257.4)
- #8C6000
#8C6000
oklch(52.3% 0.109 77.5)
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 #3D6AAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.009
- Mid Blue #276AB3 ΔE 0.022
- Flat Blue #3C73A8 ΔE 0.027
- Muted Blue #3B719F ΔE 0.030
- Dusky Blue #475F94 ΔE 0.042
- Ocean Blue #03719C ΔE 0.045
- Windows Blue #3778BF ΔE 0.046
- Dull Blue #49759C ΔE 0.046
Use #3D6AAA 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.