#405190
Closest named color: Twilight (#4E518B). oklch(45.3% 0.105 270.4), rgb(64, 81, 144).
Aa
White text reads best on this color (7.50:1).
About this color
#405190 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.105 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.021 away. White text reads best on it, at 7.50:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.79:1 |
| White text | 7.50:1 |
Values
| HEX | #405190 |
| RGB | rgb(64, 81, 144) |
| HSL | hsl(227, 38%, 41%) |
| OKLCH | oklch(45.3% 0.105 270.4) |
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 #405190 | 7.50:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #405190 | 2.79:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #405190 text on white | 7.50:1 | AAA | Lc 85.9 | Fine for body text |
| #405190 text on black | 2.79:1 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#D0D9F0
oklch(88.6% 0.033 268.7)
-
Step 300
300
#B1BFE9
oklch(80.8% 0.061 270.5)
-
Step 400
400
#899DDE
oklch(70.6% 0.098 270.6)
-
Step 500
500
#6D84D5
oklch(63.1% 0.125 270.5)
-
Step 600
600
#556CC3
oklch(55.6% 0.137 270.3)
-
Step 700
700
#465AA8
oklch(49.2% 0.127 270.4)
-
Step 800
800 (this color)
#405190
oklch(45.3% 0.105 270.4)
-
Step 900
900
#313E6D
oklch(37.7% 0.082 270.4)
-
Step 950
950
#1D2540
oklch(27.1% 0.052 270.2)
#405190 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) | #365892 | 0.021 |
| Deuteranopia (no green cones) | #2D518F | 0.022 |
| Tritanopia (no blue cones) | #165F69 | 0.095 |
| Achromatopsia (no color) | #555555 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405190
#405190
oklch(45.3% 0.105 270.4)
- #6A5300
#6A5300
oklch(45.3% 0.093 90.1)
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 #405190, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.021
- Denim Blue #3B5B92 ΔE 0.028
- Dusk Blue #26538D ΔE 0.029
- Dusk #4E5481 ΔE 0.034
- Light Navy Blue #2E5A88 ΔE 0.036
- Dusky Blue #475F94 ΔE 0.042
- Blueberry #464196 ΔE 0.045
- Light Navy #155084 ΔE 0.048
Use #405190 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.