#405F88
Closest named color: Denim (#3B638C). oklch(48% 0.076 255.8), rgb(64, 95, 136).
Aa
White text reads best on this color (6.54:1).
About this color
#405F88 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.076 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.012 away. White text reads best on it, at 6.54:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.21:1 |
| White text | 6.54:1 |
Values
| HEX | #405F88 |
| RGB | rgb(64, 95, 136) |
| HSL | hsl(214, 36%, 39%) |
| OKLCH | oklch(48% 0.076 255.8) |
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 #405F88 | 6.54:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #405F88 | 3.21:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #405F88 text on white | 6.54:1 | AA | Lc 82.3 | Fine for body text |
| #405F88 text on black | 3.21:1 | AA large text | Lc -19.6 | 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
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200
#D0DAE7
oklch(88.5% 0.021 254.9)
-
Step 300
300
#B1C2D9
oklch(80.8% 0.038 256)
-
Step 400
400
#89A3C5
oklch(70.8% 0.058 255.3)
-
Step 500
500
#6B8CB7
oklch(63.2% 0.075 255.3)
-
Step 600
600
#5375A3
oklch(55.6% 0.082 256.2)
-
Step 700
700 (this color)
#405F88
oklch(48% 0.076 255.8)
-
Step 800
800
#375071
oklch(42.6% 0.063 255.7)
-
Step 900
900
#30435B
oklch(37.8% 0.048 254.6)
-
Step 950
950
#1C2736
oklch(27% 0.032 256.3)
#405F88 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) | #4F618A | 0.021 |
| Deuteranopia (no green cones) | #465A87 | 0.015 |
| Tritanopia (no blue cones) | #1C686D | 0.068 |
| Achromatopsia (no color) | #5D5D5D | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405F88
#405F88
oklch(48% 0.076 255.8)
- #765728
#765728
oklch(47.9% 0.076 75.5)
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 #405F88, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.012
- Dusky Blue #475F94 ΔE 0.022
- Denim Blue #3B5B92 ΔE 0.023
- Light Navy Blue #2E5A88 ΔE 0.026
- YInMn Blue #415A77 ΔE 0.028
- Dusk #4E5481 ΔE 0.034
- Dusty Grape #545775 ΔE 0.040
- Peacock Blue #016795 ΔE 0.043
Use #405F88 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.