#3A419C
Closest named color: Blueberry (#464196). oklch(42.4% 0.146 275), rgb(58, 65, 156).
Aa
White text reads best on this color (8.69:1).
About this color
#3A419C is a dark, vivid blue. In OKLCH its lightness is 42%, its chroma 0.146 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.020 away. White text reads best on it, at 8.69:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | vivid (0.146) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.41:1 |
| White text | 8.69:1 |
Values
| HEX | #3A419C |
| RGB | rgb(58, 65, 156) |
| HSL | hsl(236, 46%, 42%) |
| OKLCH | oklch(42.4% 0.146 275) |
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 #3A419C | 8.69:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #3A419C | 2.41:1 | Fails | Lc 14.5 | Not readable |
| #3A419C text on white | 8.69:1 | AAA | Lc 89.4 | Fine for body text |
| #3A419C text on black | 2.41:1 | Fails | Lc -12.8 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#CFD7F9
oklch(88.4% 0.048 274.9)
-
Step 300
300
#B0BDF8
oklch(80.9% 0.085 274.7)
-
Step 400
400
#8898F5
oklch(70.7% 0.137 275)
-
Step 500
500
#6D7BF1
oklch(63% 0.175 275.1)
-
Step 600
600
#5761E0
oklch(55.6% 0.191 274.9)
-
Step 700
700
#484FC2
oklch(49% 0.177 275.1)
-
Step 800
800 (this color)
#3A419C
oklch(42.4% 0.146 275)
-
Step 900
900
#32397D
oklch(37.8% 0.114 275.1)
-
Step 950
950
#1D2249
oklch(27% 0.072 275)
#3A419C 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) | #00509F | 0.052 |
| Deuteranopia (no green cones) | #00479A | 0.046 |
| Tritanopia (no blue cones) | #005768 | 0.124 |
| Achromatopsia (no color) | #4B4B4B | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A419C
#3A419C
oklch(42.4% 0.146 275)
- #5D4D00
#5D4D00
oklch(42.4% 0.087 95.2)
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 #3A419C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.020
- Dark Slate Blue #483D8B ΔE 0.035
- Cobalt #1E488F ΔE 0.041
- Sapphire #2138AB ΔE 0.047
- Dusk Blue #26538D ΔE 0.059
- Twilight #4E518B ΔE 0.064
- Light Navy #155084 ΔE 0.068
- Blue Blue #2242C7 ΔE 0.073
Use #3A419C 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.