#4145DB
Closest named color: Majorelle Blue (#3F37C9). oklch(49.1% 0.222 273.5), rgb(65, 69, 219).
Aa
White text reads best on this color (6.77:1).
About this color
#4145DB is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.222 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Majorelle Blue (#3F37C9), ΔE 0.041 away. White text reads best on it, at 6.77:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.222) |
| Temperature | cool |
| Nearest name | Majorelle Blue (#3F37C9) |
| Black text | 3.09:1 |
| White text | 6.77:1 |
Values
| HEX | #4145DB |
| RGB | rgb(65, 69, 219) |
| HSL | hsl(238, 68%, 56%) |
| OKLCH | oklch(49.1% 0.222 273.5) |
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 #4145DB | 6.77:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #4145DB | 3.09:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #4145DB text on white | 6.77:1 | AA | Lc 82.6 | Fine for body text |
| #4145DB text on black | 3.09:1 | AA large text | Lc -19.3 | 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 700.
-
Step 50
50
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E3E9FF
oklch(93.6% 0.03 273.6)
-
Step 200
200
#CDD7FF
oklch(88.4% 0.056 274.2)
-
Step 300
300
#ACBDFF
oklch(80.9% 0.095 273)
-
Step 400
400
#8397FF
oklch(70.7% 0.153 273.6)
-
Step 500
500
#6679FF
oklch(63.1% 0.198 273.3)
-
Step 600
600
#4F57FB
oklch(55.6% 0.239 273.4)
-
Step 700
700 (this color)
#4145DB
oklch(49.1% 0.222 273.5)
-
Step 800
800
#353AB1
oklch(42.7% 0.185 273.6)
-
Step 900
900
#2D348C
oklch(37.7% 0.144 273.7)
-
Step 950
950
#1A2052
oklch(27.1% 0.091 273.6)
#4145DB 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) | #0062E0 | 0.067 |
| Deuteranopia (no green cones) | #0054D8 | 0.048 |
| Tritanopia (no blue cones) | #006E8B | 0.176 |
| Achromatopsia (no color) | #5B5B5B | 0.223 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4145DB
#4145DB
oklch(49.1% 0.222 273.5)
- #745F00
#745F00
oklch(49.2% 0.101 93.8)
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 #4145DB, closest first.
No curated palette has a color within ΔE 0.04 of #4145DB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Majorelle Blue #3F37C9 ΔE 0.041
- Warm Blue #4B57DB ΔE 0.042
- Blurple #5539CC ΔE 0.043
- Blue With A Hint Of Purple #533CC6 ΔE 0.045
- Blue Blue #2242C7 ΔE 0.049
- Purpley Blue #5F34E7 ΔE 0.051
- Azul #1D5DEC ΔE 0.059
- Bluey Purple #6241C7 ΔE 0.060
Use #4145DB 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.