#383F97
Closest named color: Blueberry (#464196). oklch(41.5% 0.142 274.9), rgb(56, 63, 151).
Aa
White text reads best on this color (9.02:1).
About this color
#383F97 is a dark, vivid blue. In OKLCH its lightness is 41%, its chroma 0.142 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.023 away. White text reads best on it, at 9.02:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.32:1 |
| White text | 9.02:1 |
Values
| HEX | #383F97 |
| RGB | rgb(56, 63, 151) |
| HSL | hsl(236, 46%, 41%) |
| OKLCH | oklch(41.5% 0.142 274.9) |
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 #383F97 | 9.02:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #383F97 | 2.32:1 | Fails | Lc 13.6 | Not readable |
| #383F97 text on white | 9.02:1 | AAA | Lc 90.4 | Preferred for body text |
| #383F97 text on black | 2.32:1 | Fails | Lc -11.9 | Not readable |
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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#D0D7F8
oklch(88.4% 0.046 276)
-
Step 300
300
#B0BDF7
oklch(80.9% 0.083 274.6)
-
Step 400
400
#8999F3
oklch(70.8% 0.133 274.9)
-
Step 500
500
#6D7CEE
oklch(63% 0.17 274.8)
-
Step 600
600
#5862DD
oklch(55.6% 0.185 275.1)
-
Step 700
700
#4850C0
oklch(49.1% 0.173 274.9)
-
Step 800
800 (this color)
#383F97
oklch(41.5% 0.142 274.9)
-
Step 900
900
#32397B
oklch(37.6% 0.111 275.2)
-
Step 950
950
#1D2248
oklch(27% 0.07 275)
#383F97 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) | #004D9A | 0.050 |
| Deuteranopia (no green cones) | #004595 | 0.045 |
| Tritanopia (no blue cones) | #005464 | 0.121 |
| Achromatopsia (no color) | #494949 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #383F97
#383F97
oklch(41.5% 0.142 274.9)
- #5A4A00
#5A4A00
oklch(41.3% 0.085 94.7)
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 #383F97, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.023
- Dark Slate Blue #483D8B ΔE 0.031
- Cobalt #1E488F ΔE 0.038
- Sapphire #2138AB ΔE 0.047
- Dusk Blue #26538D ΔE 0.060
- Light Navy #155084 ΔE 0.066
- Twilight #4E518B ΔE 0.067
- Twilight Blue #0A437A ΔE 0.068
Use #383F97 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.