#3D6CAA
Closest named color: French Blue (#436BAD). oklch(52.8% 0.111 256), rgb(61, 108, 170).
Aa
White text reads best on this color (5.35:1).
About this color
#3D6CAA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.111 and its hue 256°. 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 5.35:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.92:1 |
| White text | 5.35:1 |
Values
| HEX | #3D6CAA |
| RGB | rgb(61, 108, 170) |
| HSL | hsl(214, 47%, 45%) |
| OKLCH | oklch(52.8% 0.111 256) |
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 #3D6CAA | 5.35:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #3D6CAA | 3.92:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #3D6CAA text on white | 5.35:1 | AA | Lc 76.4 | Fine for body text |
| #3D6CAA text on black | 3.92:1 | AA large text | Lc -25.3 | 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 600.
-
Step 50
50
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CDDAEC
oklch(88.4% 0.029 256.5)
-
Step 300
300
#ACC3E1
oklch(81% 0.049 255.1)
-
Step 400
400
#80A3D2
oklch(70.7% 0.079 255.9)
-
Step 500
500
#5F8BC7
oklch(63% 0.103 256.4)
-
Step 600
600 (this color)
#3D6CAA
oklch(52.8% 0.111 256)
-
Step 700
700
#37629A
oklch(49.2% 0.102 255.7)
-
Step 800
800
#2E507D
oklch(42.8% 0.085 256)
-
Step 900
900
#294264
oklch(37.6% 0.066 256.4)
-
Step 950
950
#18273B
oklch(27% 0.043 255.9)
#3D6CAA 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) | #5170AD | 0.026 |
| Deuteranopia (no green cones) | #4266A9 | 0.017 |
| Tritanopia (no blue cones) | #007A83 | 0.090 |
| Achromatopsia (no color) | #6B6B6B | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D6CAA
#3D6CAA
oklch(52.8% 0.111 256)
- #8F6100
#8F6100
oklch(52.8% 0.111 76.5)
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 #3D6CAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.009
- Flat Blue #3C73A8 ΔE 0.021
- Mid Blue #276AB3 ΔE 0.024
- Muted Blue #3B719F ΔE 0.025
- Dull Blue #49759C ΔE 0.041
- Windows Blue #3778BF ΔE 0.042
- Nice Blue #107AB0 ΔE 0.043
- Ocean Blue #03719C ΔE 0.043
Use #3D6CAA 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.