#404877
Closest named color: Dusk (#4E5481). oklch(41.7% 0.079 275.1), rgb(64, 72, 119).
Aa
White text reads best on this color (8.70:1).
About this color
#404877 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.079 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.044 away. White text reads best on it, at 8.70:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.41:1 |
| White text | 8.70:1 |
Values
| HEX | #404877 |
| RGB | rgb(64, 72, 119) |
| HSL | hsl(231, 30%, 36%) |
| OKLCH | oklch(41.7% 0.079 275.1) |
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 #404877 | 8.70:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #404877 | 2.41:1 | Fails | Lc 14.2 | Not readable |
| #404877 text on white | 8.70:1 | AAA | Lc 89.8 | Fine for body text |
| #404877 text on black | 2.41:1 | Fails | Lc -12.5 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D4D8EB
oklch(88.5% 0.026 276.4)
-
Step 300
300
#B7BFDF
oklch(80.9% 0.046 274.3)
-
Step 400
400
#939DCF
oklch(70.6% 0.074 275.6)
-
Step 500
500
#7985C3
oklch(63.2% 0.094 275)
-
Step 600
600
#626DAF
oklch(55.5% 0.103 275.3)
-
Step 700
700
#515B96
oklch(49% 0.095 275)
-
Step 800
800 (this color)
#404877
oklch(41.7% 0.079 275.1)
-
Step 900
900
#383F62
oklch(37.8% 0.061 274.5)
-
Step 950
950
#21253A
oklch(27.1% 0.04 275.2)
#404877 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) | #374D79 | 0.018 |
| Deuteranopia (no green cones) | #334976 | 0.018 |
| Tritanopia (no blue cones) | #2D525A | 0.070 |
| Achromatopsia (no color) | #4B4B4B | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #404877
#404877
oklch(41.7% 0.079 275.1)
- #5A4B0D
#5A4B0D
oklch(41.6% 0.079 94.4)
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 #404877, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.044
- Twilight #4E518B ΔE 0.046
- Light Navy #155084 ΔE 0.048
- Dusk Blue #26538D ΔE 0.049
- Dark Slate Blue #483D8B ΔE 0.050
- Cobalt #1E488F ΔE 0.054
- YInMn Blue #415A77 ΔE 0.055
- Light Navy Blue #2E5A88 ΔE 0.055
Use #404877 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.