#406188
Closest named color: Denim (#3B638C). oklch(48.5% 0.074 253.3), rgb(64, 97, 136).
Aa
White text reads best on this color (6.39:1).
About this color
#406188 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.074 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.009 away. White text reads best on it, at 6.39:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.28:1 |
| White text | 6.39:1 |
Values
| HEX | #406188 |
| RGB | rgb(64, 97, 136) |
| HSL | hsl(213, 36%, 39%) |
| OKLCH | oklch(48.5% 0.074 253.3) |
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 #406188 | 6.39:1 | AA | Lc -86.8 | Fine for body text |
| Black text on #406188 | 3.28:1 | AA large text | Lc 22.4 | Dividers and decoration only |
| #406188 text on white | 6.39:1 | AA | Lc 81.7 | Fine for body text |
| #406188 text on black | 3.28:1 | AA large text | Lc -20.2 | 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
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200
#D0DAE6
oklch(88.4% 0.02 252.9)
-
Step 300
300
#B1C2D8
oklch(80.8% 0.036 254.9)
-
Step 400
400
#88A3C4
oklch(70.7% 0.057 253.7)
-
Step 500
500
#6A8CB5
oklch(63.1% 0.073 253.5)
-
Step 600
600
#5176A1
oklch(55.6% 0.079 252.9)
-
Step 700
700 (this color)
#406188
oklch(48.5% 0.074 253.3)
-
Step 800
800
#365170
oklch(42.7% 0.061 252.6)
-
Step 900
900
#2F435B
oklch(37.7% 0.049 253.5)
-
Step 950
950
#1C2735
oklch(26.9% 0.03 254.7)
#406188 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) | #51638A | 0.023 |
| Deuteranopia (no green cones) | #485C87 | 0.016 |
| Tritanopia (no blue cones) | #1B6A6F | 0.065 |
| Achromatopsia (no color) | #5F5F5F | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #406188
#406188
oklch(48.5% 0.074 253.3)
- #78582C
#78582C
oklch(48.4% 0.074 73.3)
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 #406188, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.009
- Dusky Blue #475F94 ΔE 0.024
- Denim Blue #3B5B92 ΔE 0.028
- YInMn Blue #415A77 ΔE 0.030
- Light Navy Blue #2E5A88 ΔE 0.031
- Dusk #4E5481 ΔE 0.039
- Peacock Blue #016795 ΔE 0.041
- Dusty Grape #545775 ΔE 0.042
Use #406188 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.