#384170
Closest named color: Twilight Blue (#0A437A). oklch(39.1% 0.08 273.9), rgb(56, 65, 112).
Aa
White text reads best on this color (9.73:1).
About this color
#384170 is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.080 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.045 away. White text reads best on it, at 9.73:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.15:1 |
| White text | 9.73:1 |
Values
| HEX | #384170 |
| RGB | rgb(56, 65, 112) |
| HSL | hsl(230, 33%, 33%) |
| OKLCH | oklch(39.1% 0.08 273.9) |
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 #384170 | 9.73:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #384170 | 2.15:1 | Fails | Lc 11.5 | Not readable |
| #384170 text on white | 9.73:1 | AAA | Lc 92.5 | Preferred for body text |
| #384170 text on black | 2.15:1 | Fails | Lc -10.0 | 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 900.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F6
oklch(93.6% 0.018 275.6)
-
Step 200
200
#D2D8F0
oklch(88.5% 0.034 274.5)
-
Step 300
300
#B4BEE8
oklch(80.8% 0.06 274.5)
-
Step 400
400
#8E9CDD
oklch(70.7% 0.097 274.3)
-
Step 500
500
#7383D4
oklch(63.3% 0.123 273.9)
-
Step 600
600
#5C6BC1
oklch(55.7% 0.134 273.8)
-
Step 700
700
#4C58A6
oklch(49% 0.125 274.3)
-
Step 800
800
#3E4987
oklch(42.8% 0.103 273.7)
-
Step 900
900 (this color)
#384170
oklch(39.1% 0.08 273.9)
-
Step 950
950
#1F243F
oklch(27% 0.051 274.5)
#384170 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) | #2F4772 | 0.020 |
| Deuteranopia (no green cones) | #2A426F | 0.019 |
| Tritanopia (no blue cones) | #234B53 | 0.071 |
| Achromatopsia (no color) | #444444 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #384170
#384170
oklch(39.1% 0.08 273.9)
- #534400
#534400
oklch(39.1% 0.08 94.6)
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 #384170, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.045
- Dark Grey Blue #29465B ΔE 0.048
- Dark Slate Blue #483D8B ΔE 0.055
- Light Navy #155084 ΔE 0.055
- Cobalt #1E488F ΔE 0.057
- Charcoal #264653 ΔE 0.062
- Dusk Blue #26538D ΔE 0.064
- Marine Blue #01386A ΔE 0.065
Use #384170 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.