#384BD4
Closest named color: Blue Blue (#2242C7). oklch(48.9% 0.209 270.3), rgb(56, 75, 212).
Aa
White text reads best on this color (6.71:1).
About this color
#384BD4 is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.209 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.039 away. White text reads best on it, at 6.71:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.209) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.12:1 |
| White text | 6.71:1 |
Values
| HEX | #384BD4 |
| RGB | rgb(56, 75, 212) |
| HSL | hsl(233, 64%, 53%) |
| OKLCH | oklch(48.9% 0.209 270.3) |
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 #384BD4 | 6.71:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #384BD4 | 3.12:1 | AA large text | Lc 21.6 | Dividers and decoration only |
| #384BD4 text on white | 6.71:1 | AA | Lc 82.4 | Fine for body text |
| #384BD4 text on black | 3.12:1 | AA large text | Lc -19.5 | 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
#E2E9FE
oklch(93.5% 0.029 271.1)
-
Step 200
200
#CBD8FF
oklch(88.5% 0.056 270.7)
-
Step 300
300
#A9BEFF
oklch(80.9% 0.095 270.4)
-
Step 400
400
#7D99FF
oklch(70.7% 0.152 270.5)
-
Step 500
500
#5E7BFF
oklch(63.1% 0.198 270.4)
-
Step 600
600
#465EF4
oklch(55.7% 0.224 270.3)
-
Step 700
700 (this color)
#384BD4
oklch(48.9% 0.209 270.3)
-
Step 800
800
#2E3FAC
oklch(42.7% 0.174 270.3)
-
Step 900
900
#283788
oklch(37.6% 0.136 270.5)
-
Step 950
950
#172150
oklch(26.9% 0.087 270.5)
#384BD4 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) | #0063D8 | 0.057 |
| Deuteranopia (no green cones) | #0054D1 | 0.036 |
| Tritanopia (no blue cones) | #006F89 | 0.164 |
| Achromatopsia (no color) | #5C5C5C | 0.210 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #384BD4
#384BD4
oklch(48.9% 0.209 270.3)
- #765D00
#765D00
oklch(49% 0.1 90.4)
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 #384BD4, closest first.
No curated palette has a color within ΔE 0.04 of #384BD4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.039
- Warm Blue #4B57DB ΔE 0.040
- Majorelle Blue #3F37C9 ΔE 0.043
- Blue With A Hint Of Purple #533CC6 ΔE 0.050
- Blurple #5539CC ΔE 0.051
- Azul #1D5DEC ΔE 0.055
- Bluey Purple #6241C7 ΔE 0.065
- Neon Blue #4361EE ΔE 0.067
Use #384BD4 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.