#3C4FA5
Closest named color: Blueberry (#464196). oklch(46% 0.14 270.6), rgb(60, 79, 165).
Aa
White text reads best on this color (7.35:1).
About this color
#3C4FA5 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.140 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.042 away. White text reads best on it, at 7.35:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.140) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.85:1 |
| White text | 7.35:1 |
Values
| HEX | #3C4FA5 |
| RGB | rgb(60, 79, 165) |
| HSL | hsl(229, 47%, 44%) |
| OKLCH | oklch(46% 0.14 270.6) |
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 #3C4FA5 | 7.35:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #3C4FA5 | 2.85:1 | Fails | Lc 18.8 | Dividers and decoration only |
| #3C4FA5 text on white | 7.35:1 | AAA | Lc 85.3 | Fine for body text |
| #3C4FA5 text on black | 2.85:1 | Fails | Lc -16.8 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5EAF7
oklch(93.7% 0.018 269.1)
-
Step 200
200
#CFD8F3
oklch(88.4% 0.038 271)
-
Step 300
300
#B0BFED
oklch(80.9% 0.067 270.7)
-
Step 400
400
#879DE4
oklch(70.7% 0.107 270.3)
-
Step 500
500
#6A83DD
oklch(63.2% 0.138 270.3)
-
Step 600
600
#536ACA
oklch(55.5% 0.15 270.7)
-
Step 700
700 (this color)
#3C4FA5
oklch(46% 0.14 270.6)
-
Step 800
800
#38488E
oklch(42.6% 0.117 271)
-
Step 900
900
#303D71
oklch(37.6% 0.09 271)
-
Step 950
950
#1C2442
oklch(26.9% 0.057 270.9)
#3C4FA5 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) | #1D5BA8 | 0.038 |
| Deuteranopia (no green cones) | #0051A3 | 0.042 |
| Tritanopia (no blue cones) | #006372 | 0.119 |
| Achromatopsia (no color) | #565656 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C4FA5
#3C4FA5
oklch(46% 0.14 270.6)
- #6C5500
#6C5500
oklch(46% 0.094 90.5)
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 #3C4FA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.042
- Dusk Blue #26538D ΔE 0.049
- Denim Blue #3B5B92 ΔE 0.049
- Twilight #4E518B ΔE 0.050
- Cobalt #1E488F ΔE 0.054
- Dusky Blue #475F94 ΔE 0.059
- Dark Slate Blue #483D8B ΔE 0.060
- Light Navy Blue #2E5A88 ΔE 0.062
Use #3C4FA5 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.