#405B83
Closest named color: YInMn Blue (#415A77). oklch(46.8% 0.073 258), rgb(64, 91, 131).
Aa
White text reads best on this color (6.90:1).
About this color
#405B83 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.073 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.019 away. White text reads best on it, at 6.90:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.04:1 |
| White text | 6.90:1 |
Values
| HEX | #405B83 |
| RGB | rgb(64, 91, 131) |
| HSL | hsl(216, 34%, 38%) |
| OKLCH | oklch(46.8% 0.073 258) |
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 #405B83 | 6.90:1 | AA | Lc -88.8 | Fine for body text |
| Black text on #405B83 | 3.04:1 | AA large text | Lc 20.3 | Dividers and decoration only |
| #405B83 text on white | 6.90:1 | AA | Lc 83.8 | Fine for body text |
| #405B83 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D1DAE6
oklch(88.5% 0.019 255.5)
-
Step 300
300
#B3C2D8
oklch(81% 0.035 257.9)
-
Step 400
400
#8BA2C4
oklch(70.7% 0.056 258)
-
Step 500
500
#6E8BB5
oklch(63.1% 0.072 257.6)
-
Step 600
600
#5674A1
oklch(55.5% 0.079 258.3)
-
Step 700
700 (this color)
#405B83
oklch(46.8% 0.073 258)
-
Step 800
800
#3A5070
oklch(42.8% 0.06 257.7)
-
Step 900
900
#32425B
oklch(37.7% 0.048 259.1)
-
Step 950
950
#1D2735
oklch(27% 0.03 256.9)
#405B83 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) | #4C5D85 | 0.018 |
| Deuteranopia (no green cones) | #445782 | 0.012 |
| Tritanopia (no blue cones) | #226469 | 0.065 |
| Achromatopsia (no color) | #5A5A5A | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405B83
#405B83
oklch(46.8% 0.073 258)
- #715526
#715526
oklch(46.9% 0.074 78.2)
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 #405B83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.019
- Light Navy Blue #2E5A88 ΔE 0.022
- Denim #3B638C ΔE 0.024
- Denim Blue #3B5B92 ΔE 0.025
- Dusk #4E5481 ΔE 0.026
- Dusky Blue #475F94 ΔE 0.030
- Dusty Grape #545775 ΔE 0.033
- Twilight #4E518B ΔE 0.038
Use #405B83 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.