#406783
Closest named color: Denim (#3B638C). oklch(49.7% 0.063 240.9), rgb(64, 103, 131).
Aa
White text reads best on this color (6.02:1).
About this color
#406783 is a medium-dark, muted blue. In OKLCH its lightness is 50%, its chroma 0.063 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.022 away. White text reads best on it, at 6.02:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.48:1 |
| White text | 6.02:1 |
Values
| HEX | #406783 |
| RGB | rgb(64, 103, 131) |
| HSL | hsl(205, 34%, 38%) |
| OKLCH | oklch(49.7% 0.063 240.9) |
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 #406783 | 6.02:1 | AA | Lc -85.2 | Fine for body text |
| Black text on #406783 | 3.48:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #406783 text on white | 6.02:1 | AA | Lc 80.0 | Fine for body text |
| #406783 text on black | 3.48:1 | AA large text | Lc -21.8 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBEF
oklch(93.7% 0.008 236.6)
-
Step 200
200
#D0DBE3
oklch(88.5% 0.016 239.1)
-
Step 300
300
#B0C4D3
oklch(81% 0.03 240.3)
-
Step 400
400
#86A5BD
oklch(70.7% 0.049 241.7)
-
Step 500
500
#678FAC
oklch(63.2% 0.062 240.5)
-
Step 600
600
#4E7998
oklch(55.7% 0.068 240.9)
-
Step 700
700 (this color)
#406783
oklch(49.7% 0.063 240.9)
-
Step 800
800
#345369
oklch(42.8% 0.052 240.4)
-
Step 900
900
#2E4555
oklch(37.8% 0.04 239.5)
-
Step 950
950
#1B2832
oklch(27% 0.026 242)
#406783 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) | #5B6784 | 0.034 |
| Deuteranopia (no green cones) | #526083 | 0.029 |
| Tritanopia (no blue cones) | #1F6E70 | 0.052 |
| Achromatopsia (no color) | #636363 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #406783
#406783
oklch(49.7% 0.063 240.9)
- #7D5A3C
#7D5A3C
oklch(49.7% 0.064 61.2)
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 #406783, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.022
- Slate #516572 ΔE 0.031
- YInMn Blue #415A77 ΔE 0.039
- Dusky Blue #475F94 ΔE 0.042
- Metallic Blue #4F738E ΔE 0.043
- Peacock Blue #016795 ΔE 0.046
- Muted Blue #3B719F ΔE 0.047
- Sea Blue #047495 ΔE 0.048
Use #406783 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.