#406173
Closest named color: YInMn Blue (#415A77). oklch(47.5% 0.048 233), rgb(64, 97, 115).
Aa
White text reads best on this color (6.61:1).
About this color
#406173 is a medium-dark, muted blue. In OKLCH its lightness is 47%, its chroma 0.048 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.025 away. White text reads best on it, at 6.61:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.17:1 |
| White text | 6.61:1 |
Values
| HEX | #406173 |
| RGB | rgb(64, 97, 115) |
| HSL | hsl(201, 28%, 35%) |
| OKLCH | oklch(47.5% 0.048 233) |
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 #406173 | 6.61:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #406173 | 3.17:1 | AA large text | Lc 21.4 | Dividers and decoration only |
| #406173 text on white | 6.61:1 | AA | Lc 82.6 | Fine for body text |
| #406173 text on black | 3.17:1 | AA large text | Lc -19.3 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E6EBEE
oklch(93.7% 0.007 233.6)
-
Step 200
200
#D1DBE0
oklch(88.5% 0.013 228.9)
-
Step 300
300
#B3C4CD
oklch(81% 0.023 230.6)
-
Step 400
400
#8AA5B4
oklch(70.6% 0.037 232.3)
-
Step 500
500
#6D8FA2
oklch(63.1% 0.048 233)
-
Step 600
600
#54798D
oklch(55.6% 0.052 232.6)
-
Step 700
700 (this color)
#406173
oklch(47.5% 0.048 233)
-
Step 800
800
#395361
oklch(42.7% 0.039 232.4)
-
Step 900
900
#314550
oklch(37.8% 0.031 232.7)
-
Step 950
950
#1D282F
oklch(27% 0.02 236.4)
#406173 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) | #586074 | 0.032 |
| Deuteranopia (no green cones) | #515A73 | 0.029 |
| Tritanopia (no blue cones) | #2B6667 | 0.036 |
| Achromatopsia (no color) | #5D5D5D | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #406173
#406173
oklch(47.5% 0.048 233)
- #725543
#725543
oklch(47.5% 0.048 53.1)
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 #406173, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.025
- Slate #516572 ΔE 0.026
- Dusty Grape #545775 ΔE 0.039
- Denim #3B638C ΔE 0.040
- Petrol #005F6A ΔE 0.049
- Dark Aqua #05696B ΔE 0.049
- Light Navy Blue #2E5A88 ΔE 0.049
- Dusk #4E5481 ΔE 0.053
Use #406173 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.