#404D60
Closest named color: Dark Grey Blue (#29465B). oklch(41.7% 0.036 257.8), rgb(64, 77, 96).
Aa
White text reads best on this color (8.57:1).
About this color
#404D60 is a dark, muted blue. In OKLCH its lightness is 42%, its chroma 0.036 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.040 away. White text reads best on it, at 8.57:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.44:1 |
| White text | 8.57:1 |
Values
| HEX | #404D60 |
| RGB | rgb(64, 77, 96) |
| HSL | hsl(216, 20%, 31%) |
| OKLCH | oklch(41.7% 0.036 257.8) |
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 #404D60 | 8.57:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #404D60 | 2.44:1 | Fails | Lc 14.5 | Not readable |
| #404D60 text on white | 8.57:1 | AAA | Lc 89.5 | Fine for body text |
| #404D60 text on black | 2.44:1 | Fails | Lc -12.8 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D4D9E1
oklch(88.4% 0.012 259.8)
-
Step 300
300
#B8C1CE
oklch(80.8% 0.021 257.5)
-
Step 400
400
#94A2B6
oklch(70.8% 0.033 257.3)
-
Step 500
500
#798BA4
oklch(63.1% 0.043 256.6)
-
Step 600
600
#62758F
oklch(55.7% 0.046 256.3)
-
Step 700
700
#51627A
oklch(49.1% 0.044 257)
-
Step 800
800 (this color)
#404D60
oklch(41.7% 0.036 257.8)
-
Step 900
900
#384251
oklch(37.6% 0.029 258.4)
-
Step 950
950
#21272F
oklch(27% 0.017 255.7)
#404D60 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) | #464E61 | 0.010 |
| Deuteranopia (no green cones) | #434B60 | 0.007 |
| Tritanopia (no blue cones) | #375153 | 0.032 |
| Achromatopsia (no color) | #4C4C4C | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #404D60
#404D60
oklch(41.7% 0.036 257.8)
- #574A36
#574A36
oklch(41.7% 0.036 78.2)
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 #404D60, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.040
- Dark Slate Gray #2F4F4F ΔE 0.040
- Charcoal #264653 ΔE 0.047
- YInMn Blue #415A77 ΔE 0.048
- Dusty Grape #545775 ΔE 0.054
- Charcoal Grey #3C4142 ΔE 0.056
- Deep Teal #00555A ΔE 0.058
- Dusk #4E5481 ΔE 0.060
Use #404D60 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.