#405387
Closest named color: Twilight (#4E518B). oklch(45.1% 0.089 267.6), rgb(64, 83, 135).
Aa
White text reads best on this color (7.48:1).
About this color
#405387 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.089 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.022 away. White text reads best on it, at 7.48:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.80:1 |
| White text | 7.48:1 |
Values
| HEX | #405387 |
| RGB | rgb(64, 83, 135) |
| HSL | hsl(224, 36%, 39%) |
| OKLCH | oklch(45.1% 0.089 267.6) |
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 #405387 | 7.48:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #405387 | 2.80:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #405387 text on white | 7.48:1 | AAA | Lc 85.9 | Fine for body text |
| #405387 text on black | 2.80:1 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D1D9ED
oklch(88.5% 0.029 268.3)
-
Step 300
300
#B2C0E3
oklch(80.9% 0.052 268)
-
Step 400
400
#8A9FD5
oklch(70.7% 0.083 267.8)
-
Step 500
500
#6D87CA
oklch(63.2% 0.106 267.2)
-
Step 600
600
#566FB7
oklch(55.6% 0.116 268)
-
Step 700
700
#465D9D
oklch(49.1% 0.107 267.5)
-
Step 800
800 (this color)
#405387
oklch(45.1% 0.089 267.6)
-
Step 900
900
#314066
oklch(37.7% 0.068 266.8)
-
Step 950
950
#1D263C
oklch(27.1% 0.043 266.6)
#405387 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) | #3F5889 | 0.014 |
| Deuteranopia (no green cones) | #375286 | 0.012 |
| Tritanopia (no blue cones) | #205E66 | 0.080 |
| Achromatopsia (no color) | #555555 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405387
#405387
oklch(45.1% 0.089 267.6)
- #6A5209
#6A5209
oklch(45.1% 0.088 88)
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 #405387, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.022
- Dusk #4E5481 ΔE 0.022
- Denim Blue #3B5B92 ΔE 0.026
- Light Navy Blue #2E5A88 ΔE 0.026
- Dusk Blue #26538D ΔE 0.029
- YInMn Blue #415A77 ΔE 0.038
- Dusky Blue #475F94 ΔE 0.040
- Light Navy #155084 ΔE 0.044
Use #405387 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.