#3945AE
Closest named color: Blueberry (#464196). oklch(44.6% 0.166 272.7), rgb(57, 69, 174).
Aa
White text reads best on this color (7.96:1).
About this color
#3945AE is a dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.166 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.043 away. White text reads best on it, at 7.96:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | vivid (0.166) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.63:1 |
| White text | 7.96:1 |
Values
| HEX | #3945AE |
| RGB | rgb(57, 69, 174) |
| HSL | hsl(234, 51%, 45%) |
| OKLCH | oklch(44.6% 0.166 272.7) |
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 #3945AE | 7.96:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #3945AE | 2.63:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #3945AE text on white | 7.96:1 | AAA | Lc 87.1 | Fine for body text |
| #3945AE text on black | 2.63:1 | Fails | Lc -15.0 | Not readable |
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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E3E9FD
oklch(93.5% 0.028 272.5)
-
Step 200
200
#CDD8FE
oklch(88.6% 0.054 272.5)
-
Step 300
300
#ACBDFF
oklch(80.9% 0.095 273)
-
Step 400
400
#8198FF
oklch(70.7% 0.153 272.5)
-
Step 500
500
#6479FF
oklch(63% 0.199 272.7)
-
Step 600
600
#4F5DEE
oklch(55.5% 0.216 272.9)
-
Step 700
700
#404CD0
oklch(49.2% 0.201 272.5)
-
Step 800
800 (this color)
#3945AE
oklch(44.6% 0.166 272.7)
-
Step 900
900
#2D3785
oklch(37.7% 0.13 273)
-
Step 950
950
#1A214E
oklch(27% 0.083 273)
#3945AE 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) | #0056B1 | 0.051 |
| Deuteranopia (no green cones) | #004CAC | 0.041 |
| Tritanopia (no blue cones) | #005F73 | 0.135 |
| Achromatopsia (no color) | #515151 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3945AE
#3945AE
oklch(44.6% 0.166 272.7)
- #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 #3945AE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.043
- Sapphire #2138AB ΔE 0.045
- Blue Blue #2242C7 ΔE 0.047
- Majorelle Blue #3F37C9 ΔE 0.050
- Blue With A Hint Of Purple #533CC6 ΔE 0.055
- Cobalt #1E488F ΔE 0.060
- Dark Slate Blue #483D8B ΔE 0.062
- Blurple #5539CC ΔE 0.065
Use #3945AE 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.