#383A9D
Closest named color: Blueberry (#464196). oklch(41% 0.157 276.1), rgb(56, 58, 157).
Aa
White text reads best on this color (9.29:1).
About this color
#383A9D is a dark, vivid blue. In OKLCH its lightness is 41%, its chroma 0.157 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.032 away. White text reads best on it, at 9.29:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | vivid (0.157) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.26:1 |
| White text | 9.29:1 |
Values
| HEX | #383A9D |
| RGB | rgb(56, 58, 157) |
| HSL | hsl(239, 47%, 42%) |
| OKLCH | oklch(41% 0.157 276.1) |
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 #383A9D | 9.29:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #383A9D | 2.26:1 | Fails | Lc 13.0 | Not readable |
| #383A9D text on white | 9.29:1 | AAA | Lc 91.0 | Preferred for body text |
| #383A9D text on black | 2.26:1 | Fails | Lc -11.4 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E5E9FC
oklch(93.7% 0.026 276.4)
-
Step 200
200
#CFD7FC
oklch(88.5% 0.052 275.7)
-
Step 300
300
#B0BCFC
oklch(80.9% 0.092 275.9)
-
Step 400
400
#8996FB
oklch(70.7% 0.148 276.4)
-
Step 500
500
#6E79F8
oklch(63.2% 0.187 275.9)
-
Step 600
600
#595DE7
oklch(55.6% 0.204 276.2)
-
Step 700
700
#494CC9
oklch(49.1% 0.19 275.8)
-
Step 800
800 (this color)
#383A9D
oklch(41% 0.157 276.1)
-
Step 900
900
#323781
oklch(37.7% 0.123 275.9)
-
Step 950
950
#1D214B
oklch(27% 0.077 275.9)
#383A9D 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) | #004BA0 | 0.054 |
| Deuteranopia (no green cones) | #00439B | 0.047 |
| Tritanopia (no blue cones) | #005366 | 0.131 |
| Achromatopsia (no color) | #474747 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #383A9D
#383A9D
oklch(41% 0.157 276.1)
- #584A00
#584A00
oklch(41.1% 0.085 96.6)
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 #383A9D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.032
- Sapphire #2138AB ΔE 0.037
- Dark Slate Blue #483D8B ΔE 0.041
- Cobalt #1E488F ΔE 0.049
- Indigo Blue #3A18B1 ΔE 0.063
- Majorelle Blue #3F37C9 ΔE 0.071
- Imperial Purple #480CA8 ΔE 0.071
- Blue Blue #2242C7 ΔE 0.073
Use #383A9D 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.