#384F9F
Closest named color: Dusk Blue (#26538D). oklch(45.4% 0.132 268.6), rgb(56, 79, 159).
Aa
White text reads best on this color (7.53:1).
About this color
#384F9F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.132 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.038 away. White text reads best on it, at 7.53:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.78:1 |
| White text | 7.53:1 |
Values
| HEX | #384F9F |
| RGB | rgb(56, 79, 159) |
| HSL | hsl(227, 48%, 42%) |
| OKLCH | oklch(45.4% 0.132 268.6) |
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 #384F9F | 7.53:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #384F9F | 2.78:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #384F9F text on white | 7.53:1 | AAA | Lc 85.9 | Fine for body text |
| #384F9F text on black | 2.78:1 | Fails | Lc -16.1 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200
#CDD9F7
oklch(88.6% 0.043 268.2)
-
Step 300
300
#ACBFF4
oklch(80.9% 0.078 269.3)
-
Step 400
400
#809DEE
oklch(70.8% 0.123 268.2)
-
Step 500
500
#6282E8
oklch(63.1% 0.157 268.5)
-
Step 600
600
#4A69D7
oklch(55.7% 0.172 268.5)
-
Step 700
700
#3C56BA
oklch(49% 0.16 268.8)
-
Step 800
800 (this color)
#384F9F
oklch(45.4% 0.132 268.6)
-
Step 900
900
#2B3D78
oklch(37.8% 0.103 268.4)
-
Step 950
950
#192446
oklch(27% 0.065 268.3)
#384F9F 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) | #2459A2 | 0.030 |
| Deuteranopia (no green cones) | #09509D | 0.036 |
| Tritanopia (no blue cones) | #00626F | 0.113 |
| Achromatopsia (no color) | #545454 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #384F9F
#384F9F
oklch(45.4% 0.132 268.6)
- #6B5300
#6B5300
oklch(45.4% 0.093 89.3)
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 #384F9F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.038
- Blueberry #464196 ΔE 0.040
- Denim Blue #3B5B92 ΔE 0.043
- Cobalt #1E488F ΔE 0.044
- Twilight #4E518B ΔE 0.045
- Light Navy Blue #2E5A88 ΔE 0.054
- Dark Slate Blue #483D8B ΔE 0.056
- Dusky Blue #475F94 ΔE 0.057
Use #384F9F 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.