#4148A8
Closest named color: Blueberry (#464196). oklch(45.2% 0.152 275.4), rgb(65, 72, 168).
Aa
White text reads best on this color (7.72:1).
About this color
#4148A8 is a medium-dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.152 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.033 away. White text reads best on it, at 7.72:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.152) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.71:1 |
| White text | 7.72:1 |
Values
| HEX | #4148A8 |
| RGB | rgb(65, 72, 168) |
| HSL | hsl(236, 44%, 46%) |
| OKLCH | oklch(45.2% 0.152 275.4) |
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 #4148A8 | 7.72:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #4148A8 | 2.71:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #4148A8 text on white | 7.72:1 | AAA | Lc 86.5 | Fine for body text |
| #4148A8 text on black | 2.71:1 | Fails | Lc -15.6 | 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
#E5E9FC
oklch(93.7% 0.026 276.4)
-
Step 200
200
#CFD7FA
oklch(88.4% 0.049 275.2)
-
Step 300
300
#B0BCFA
oklch(80.8% 0.089 275.8)
-
Step 400
400
#8897F8
oklch(70.6% 0.142 275.5)
-
Step 500
500
#6D7AF5
oklch(63.1% 0.182 275.4)
-
Step 600
600
#575FE4
oklch(55.5% 0.198 275.3)
-
Step 700
700
#484EC6
oklch(49.2% 0.183 275.2)
-
Step 800
800 (this color)
#4148A8
oklch(45.2% 0.152 275.4)
-
Step 900
900
#32387F
oklch(37.7% 0.118 275.5)
-
Step 950
950
#1D214A
oklch(26.9% 0.075 275.9)
#4148A8 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) | #0057AB | 0.055 |
| Deuteranopia (no green cones) | #004EA6 | 0.051 |
| Tritanopia (no blue cones) | #005F71 | 0.130 |
| Achromatopsia (no color) | #535353 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4148A8
#4148A8
oklch(45.2% 0.152 275.4)
- #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 #4148A8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.033
- Dark Slate Blue #483D8B ΔE 0.053
- Cobalt #1E488F ΔE 0.058
- Blue With A Hint Of Purple #533CC6 ΔE 0.059
- Sapphire #2138AB ΔE 0.060
- Twilight #4E518B ΔE 0.060
- Dusk Blue #26538D ΔE 0.063
- Blue Blue #2242C7 ΔE 0.063
Use #4148A8 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.