#464E66
Closest named color: YInMn Blue (#415A77). oklch(42.7% 0.041 270.3), rgb(70, 78, 102).
Aa
White text reads best on this color (8.26:1).
About this color
#464E66 is a dark, muted blue. In OKLCH its lightness is 43%, its chroma 0.041 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.039 away. White text reads best on it, at 8.26:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.54:1 |
| White text | 8.26:1 |
Values
| HEX | #464E66 |
| RGB | rgb(70, 78, 102) |
| HSL | hsl(225, 19%, 34%) |
| OKLCH | oklch(42.7% 0.041 270.3) |
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 #464E66 | 8.26:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #464E66 | 2.54:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #464E66 text on white | 8.26:1 | AAA | Lc 88.5 | Fine for body text |
| #464E66 text on black | 2.54:1 | Fails | Lc -13.6 | Not readable |
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 800.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8EAEF
oklch(93.7% 0.007 268.5)
-
Step 200
200
#D5D9E2
oklch(88.5% 0.013 266.7)
-
Step 300
300
#BAC0D1
oklch(80.8% 0.025 270.3)
-
Step 400
400
#97A0B9
oklch(70.7% 0.038 269.7)
-
Step 500
500
#7E88A8
oklch(63% 0.05 271.4)
-
Step 600
600
#677293
oklch(55.6% 0.053 270.3)
-
Step 700
700
#56607E
oklch(49.2% 0.05 270.2)
-
Step 800
800 (this color)
#464E66
oklch(42.7% 0.041 270.3)
-
Step 900
900
#3B4153
oklch(37.7% 0.032 270.4)
-
Step 950
950
#222631
oklch(27% 0.021 269.3)
#464E66 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) | #475067 | 0.006 |
| Deuteranopia (no green cones) | #444D65 | 0.005 |
| Tritanopia (no blue cones) | #3D5356 | 0.038 |
| Achromatopsia (no color) | #4E4E4E | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #464E66
#464E66
oklch(42.7% 0.041 270.3)
- #584E34
#584E34
oklch(42.7% 0.042 89.4)
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 #464E66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.039
- Dusty Grape #545775 ΔE 0.041
- Dusk #4E5481 ΔE 0.047
- Dark Grey Blue #29465B ΔE 0.052
- Dark Slate Gray #2F4F4F ΔE 0.053
- Charcoal #264653 ΔE 0.061
- Light Navy Blue #2E5A88 ΔE 0.062
- Twilight #4E518B ΔE 0.063
Use #464E66 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.