#404C62
Closest named color: Dark Grey Blue (#29465B). oklch(41.5% 0.04 262.4), rgb(64, 76, 98).
Aa
White text reads best on this color (8.64:1).
About this color
#404C62 is a dark, muted blue. In OKLCH its lightness is 42%, its chroma 0.040 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.039 away. White text reads best on it, at 8.64:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.42:1 |
| White text | 8.64:1 |
Values
| HEX | #404C62 |
| RGB | rgb(64, 76, 98) |
| HSL | hsl(219, 21%, 32%) |
| OKLCH | oklch(41.5% 0.04 262.4) |
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 #404C62 | 8.64:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #404C62 | 2.42:1 | Fails | Lc 14.3 | Not readable |
| #404C62 text on white | 8.64:1 | AAA | Lc 89.7 | Fine for body text |
| #404C62 text on black | 2.42:1 | Fails | Lc -12.6 | 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
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D4D9E2
oklch(88.4% 0.013 262.4)
-
Step 300
300
#B9C1D0
oklch(80.9% 0.023 263.2)
-
Step 400
400
#94A1B9
oklch(70.7% 0.038 262.8)
-
Step 500
500
#7A8AA7
oklch(63.1% 0.048 262.3)
-
Step 600
600
#637492
oklch(55.7% 0.051 261.7)
-
Step 700
700
#52617D
oklch(49.1% 0.049 262.7)
-
Step 800
800 (this color)
#404C62
oklch(41.5% 0.04 262.4)
-
Step 900
900
#394253
oklch(37.8% 0.032 263)
-
Step 950
950
#212730
oklch(27.1% 0.019 258.4)
#404C62 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) | #454D63 | 0.009 |
| Deuteranopia (no green cones) | #414A62 | 0.006 |
| Tritanopia (no blue cones) | #365153 | 0.037 |
| Achromatopsia (no color) | #4C4C4C | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #404C62
#404C62
oklch(41.5% 0.04 262.4)
- #574A32
#574A32
oklch(41.6% 0.041 82.4)
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 #404C62, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.039
- Dark Slate Gray #2F4F4F ΔE 0.044
- Charcoal #264653 ΔE 0.048
- YInMn Blue #415A77 ΔE 0.048
- Dusty Grape #545775 ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.057
- Dusk #4E5481 ΔE 0.058
- Deep Teal #00555A ΔE 0.061
Use #404C62 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.