#405A89
Closest named color: Denim Blue (#3B5B92). oklch(46.9% 0.083 261.6), rgb(64, 90, 137).
Aa
White text reads best on this color (6.90:1).
About this color
#405A89 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.083 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.015 away. White text reads best on it, at 6.90:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.04:1 |
| White text | 6.90:1 |
Values
| HEX | #405A89 |
| RGB | rgb(64, 90, 137) |
| HSL | hsl(219, 36%, 39%) |
| OKLCH | oklch(46.9% 0.083 261.6) |
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 #405A89 | 6.90:1 | AA | Lc -88.7 | Fine for body text |
| Black text on #405A89 | 3.04:1 | AA large text | Lc 20.3 | Dividers and decoration only |
| #405A89 text on white | 6.90:1 | AA | Lc 83.8 | Fine for body text |
| #405A89 text on black | 3.04:1 | AA large text | Lc -18.2 | 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 700.
-
Step 50
50
#F3F5F9
oklch(97% 0.006 264.5)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D1DAE8
oklch(88.6% 0.022 259.2)
-
Step 300
300
#B2C1DB
oklch(80.8% 0.04 261.5)
-
Step 400
400
#8BA1C9
oklch(70.6% 0.064 262.3)
-
Step 500
500
#6E8ABC
oklch(63.2% 0.082 261.7)
-
Step 600
600
#5673A8
oklch(55.6% 0.09 261.9)
-
Step 700
700 (this color)
#405A89
oklch(46.9% 0.083 261.6)
-
Step 800
800
#3A4F75
oklch(42.8% 0.069 261.7)
-
Step 900
900
#32425E
oklch(37.8% 0.053 261.3)
-
Step 950
950
#1D2737
oklch(27.1% 0.033 259.6)
#405A89 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) | #485E8B | 0.017 |
| Deuteranopia (no green cones) | #3F5788 | 0.009 |
| Tritanopia (no blue cones) | #1C646B | 0.074 |
| Achromatopsia (no color) | #5A5A5A | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405A89
#405A89
oklch(46.9% 0.083 261.6)
- #72551B
#72551B
oklch(46.9% 0.083 81.2)
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 #405A89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.015
- Light Navy Blue #2E5A88 ΔE 0.020
- Dusky Blue #475F94 ΔE 0.024
- Dusk #4E5481 ΔE 0.025
- Denim #3B638C ΔE 0.026
- YInMn Blue #415A77 ΔE 0.030
- Twilight #4E518B ΔE 0.031
- Dusk Blue #26538D ΔE 0.038
Use #405A89 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.