#3946AC
Closest named color: Blueberry (#464196). oklch(44.6% 0.162 272.5), rgb(57, 70, 172).
Aa
White text reads best on this color (7.93:1).
About this color
#3946AC is a dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.162 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.040 away. White text reads best on it, at 7.93:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | vivid (0.162) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.64:1 |
| White text | 7.93:1 |
Values
| HEX | #3946AC |
| RGB | rgb(57, 70, 172) |
| HSL | hsl(233, 50%, 45%) |
| OKLCH | oklch(44.6% 0.162 272.5) |
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 #3946AC | 7.93:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #3946AC | 2.64:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #3946AC text on white | 7.93:1 | AAA | Lc 87.1 | Fine for body text |
| #3946AC text on black | 2.64:1 | Fails | Lc -15.0 | 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 800.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FD
oklch(93.5% 0.028 272.5)
-
Step 200
200
#CDD8FD
oklch(88.6% 0.052 272.2)
-
Step 300
300
#ABBDFE
oklch(80.8% 0.094 272.2)
-
Step 400
400
#8198FE
oklch(70.7% 0.151 272.4)
-
Step 500
500
#647AFC
oklch(63% 0.194 272.4)
-
Step 600
600
#4F5FEC
oklch(55.7% 0.211 272.6)
-
Step 700
700
#404DCD
oklch(49.1% 0.196 272.4)
-
Step 800
800 (this color)
#3946AC
oklch(44.6% 0.162 272.5)
-
Step 900
900
#2D3883
oklch(37.7% 0.126 272.6)
-
Step 950
950
#1A214D
oklch(26.9% 0.081 272.9)
#3946AC 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) | #0056AF | 0.050 |
| Deuteranopia (no green cones) | #004CAA | 0.041 |
| Tritanopia (no blue cones) | #005F72 | 0.133 |
| Achromatopsia (no color) | #515151 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3946AC
#3946AC
oklch(44.6% 0.162 272.5)
- #665200
#665200
oklch(44.6% 0.091 92.5)
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 #3946AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.040
- Sapphire #2138AB ΔE 0.047
- Blue Blue #2242C7 ΔE 0.050
- Majorelle Blue #3F37C9 ΔE 0.054
- Cobalt #1E488F ΔE 0.057
- Blue With A Hint Of Purple #533CC6 ΔE 0.058
- Dark Slate Blue #483D8B ΔE 0.059
- Dusk Blue #26538D ΔE 0.067
Use #3946AC 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.