#384FAB
Closest named color: Blueberry (#464196). oklch(46.3% 0.15 269.2), rgb(56, 79, 171).
Aa
White text reads best on this color (7.30:1).
About this color
#384FAB is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.150 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.048 away. White text reads best on it, at 7.30:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.87:1 |
| White text | 7.30:1 |
Values
| HEX | #384FAB |
| RGB | rgb(56, 79, 171) |
| HSL | hsl(228, 51%, 45%) |
| OKLCH | oklch(46.3% 0.15 269.2) |
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 #384FAB | 7.30:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #384FAB | 2.87:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #384FAB text on white | 7.30:1 | AAA | Lc 85.0 | Fine for body text |
| #384FAB text on black | 2.87:1 | Fails | Lc -17.0 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CED9F5
oklch(88.6% 0.04 268.5)
-
Step 300
300
#ADBFF0
oklch(80.8% 0.072 269)
-
Step 400
400
#839DE9
oklch(70.7% 0.116 268.9)
-
Step 500
500
#6682E2
oklch(63% 0.148 269.6)
-
Step 600
600
#4E6AD0
oklch(55.6% 0.16 269.1)
-
Step 700
700 (this color)
#384FAB
oklch(46.3% 0.15 269.2)
-
Step 800
800
#344892
oklch(42.7% 0.124 269.2)
-
Step 900
900
#2D3D74
oklch(37.6% 0.096 269.2)
-
Step 950
950
#1A2444
oklch(26.9% 0.061 268.9)
#384FAB 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) | #0F5CAE | 0.041 |
| Deuteranopia (no green cones) | #0051A9 | 0.037 |
| Tritanopia (no blue cones) | #006575 | 0.124 |
| Achromatopsia (no color) | #565656 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #384FAB
#384FAB
oklch(46.3% 0.15 269.2)
- #6E5500
#6E5500
oklch(46.2% 0.094 88.9)
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 #384FAB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.048
- Dusk Blue #26538D ΔE 0.055
- Denim Blue #3B5B92 ΔE 0.056
- Cobalt #1E488F ΔE 0.058
- Twilight #4E518B ΔE 0.060
- Blue Blue #2242C7 ΔE 0.060
- Sapphire #2138AB ΔE 0.066
- Dusky Blue #475F94 ΔE 0.066
Use #384FAB 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.