#4145AB
Closest named color: Blueberry (#464196). oklch(44.9% 0.16 276.1), rgb(65, 69, 171).
Aa
White text reads best on this color (7.88:1).
About this color
#4145AB is a dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.160 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.035 away. White text reads best on it, at 7.88:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | vivid (0.160) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.66:1 |
| White text | 7.88:1 |
Values
| HEX | #4145AB |
| RGB | rgb(65, 69, 171) |
| HSL | hsl(238, 45%, 46%) |
| OKLCH | oklch(44.9% 0.16 276.1) |
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 #4145AB | 7.88:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #4145AB | 2.66:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #4145AB text on white | 7.88:1 | AAA | Lc 86.9 | Fine for body text |
| #4145AB text on black | 2.66:1 | Fails | Lc -15.2 | 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
#CFD7FC
oklch(88.5% 0.052 275.7)
-
Step 300
300
#B0BCFD
oklch(80.9% 0.093 276)
-
Step 400
400
#8896FC
oklch(70.6% 0.149 276)
-
Step 500
500
#6E78FA
oklch(63.1% 0.191 276.2)
-
Step 600
600
#595CE9
oklch(55.5% 0.208 276.3)
-
Step 700
700
#494BCB
oklch(49.1% 0.193 275.9)
-
Step 800
800 (this color)
#4145AB
oklch(44.9% 0.16 276.1)
-
Step 900
900
#323782
oklch(37.8% 0.124 275.8)
-
Step 950
950
#1D214C
oklch(27.1% 0.078 275.8)
#4145AB 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) | #0056AE | 0.058 |
| Deuteranopia (no green cones) | #004DA9 | 0.052 |
| Tritanopia (no blue cones) | #005E71 | 0.136 |
| Achromatopsia (no color) | #515151 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4145AB
#4145AB
oklch(44.9% 0.16 276.1)
- #645400
#645400
oklch(44.8% 0.092 96.3)
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 #4145AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.035
- Blue With A Hint Of Purple #533CC6 ΔE 0.053
- Sapphire #2138AB ΔE 0.054
- Dark Slate Blue #483D8B ΔE 0.055
- Majorelle Blue #3F37C9 ΔE 0.055
- Blue Blue #2242C7 ΔE 0.057
- Cobalt #1E488F ΔE 0.062
- Blurple #5539CC ΔE 0.063
Use #4145AB 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.