#4148A9
Closest named color: Blueberry (#464196). oklch(45.3% 0.153 275.3), rgb(65, 72, 169).
Aa
White text reads best on this color (7.70:1).
About this color
#4148A9 is a medium-dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.153 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.034 away. White text reads best on it, at 7.70:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.153) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.72:1 |
| White text | 7.70:1 |
Values
| HEX | #4148A9 |
| RGB | rgb(65, 72, 169) |
| HSL | hsl(236, 44%, 46%) |
| OKLCH | oklch(45.3% 0.153 275.3) |
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 #4148A9 | 7.70:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #4148A9 | 2.72:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #4148A9 text on white | 7.70:1 | AAA | Lc 86.4 | Fine for body text |
| #4148A9 text on black | 2.72:1 | Fails | Lc -15.7 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CFD7FB
oklch(88.5% 0.05 275.4)
-
Step 300
300
#B0BCFB
oklch(80.9% 0.09 275.9)
-
Step 400
400
#8897F9
oklch(70.7% 0.144 275.5)
-
Step 500
500
#6D7AF6
oklch(63.2% 0.183 275.3)
-
Step 600
600
#575FE5
oklch(55.6% 0.2 275.2)
-
Step 700
700
#484DC7
oklch(49.1% 0.186 275.4)
-
Step 800
800 (this color)
#4148A9
oklch(45.3% 0.153 275.3)
-
Step 900
900
#32387F
oklch(37.7% 0.118 275.5)
-
Step 950
950
#1D214B
oklch(27% 0.077 275.9)
#4148A9 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) | #0057AC | 0.055 |
| Deuteranopia (no green cones) | #004FA7 | 0.051 |
| Tritanopia (no blue cones) | #005F71 | 0.131 |
| Achromatopsia (no color) | #535353 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4148A9
#4148A9
oklch(45.3% 0.153 275.3)
- #665500
#665500
oklch(45.3% 0.093 95.6)
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 #4148A9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.034
- Dark Slate Blue #483D8B ΔE 0.054
- Blue With A Hint Of Purple #533CC6 ΔE 0.058
- Sapphire #2138AB ΔE 0.059
- Cobalt #1E488F ΔE 0.059
- Twilight #4E518B ΔE 0.061
- Blue Blue #2242C7 ΔE 0.061
- Majorelle Blue #3F37C9 ΔE 0.062
Use #4148A9 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.