#474C77
Closest named color: Dusk (#4E5481). oklch(43.2% 0.071 277.9), rgb(71, 76, 119).
Aa
White text reads best on this color (8.17:1).
About this color
#474C77 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.071 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.029 away. White text reads best on it, at 8.17:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.56:1 |
| White text | 8.17:1 |
Values
| HEX | #474C77 |
| RGB | rgb(71, 76, 119) |
| HSL | hsl(234, 25%, 37%) |
| OKLCH | oklch(43.2% 0.071 277.9) |
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 #474C77 | 8.17:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #474C77 | 2.56:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #474C77 text on white | 8.17:1 | AAA | Lc 88.2 | Fine for body text |
| #474C77 text on black | 2.56:1 | Fails | Lc -13.9 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E8E9F2
oklch(93.6% 0.012 281.1)
-
Step 200
200
#D5D8E9
oklch(88.5% 0.023 277.9)
-
Step 300
300
#BABFDC
oklch(81% 0.041 277.7)
-
Step 400
400
#969DCA
oklch(70.7% 0.066 277.7)
-
Step 500
500
#7D84BD
oklch(63% 0.086 278.2)
-
Step 600
600
#676DA9
oklch(55.5% 0.093 278.5)
-
Step 700
700
#555B91
oklch(49% 0.087 277.9)
-
Step 800
800 (this color)
#474C77
oklch(43.2% 0.071 277.9)
-
Step 900
900
#3B3F5F
oklch(37.9% 0.055 278)
-
Step 950
950
#222538
oklch(27.1% 0.036 276.8)
#474C77 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) | #3E5179 | 0.018 |
| Deuteranopia (no green cones) | #3B4D76 | 0.017 |
| Tritanopia (no blue cones) | #39545C | 0.062 |
| Achromatopsia (no color) | #4F4F4F | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #474C77
#474C77
oklch(43.2% 0.071 277.9)
- #5B501D
#5B501D
oklch(43.1% 0.071 97.1)
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 #474C77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.029
- Twilight #4E518B ΔE 0.036
- Dusty Grape #545775 ΔE 0.041
- YInMn Blue #415A77 ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.049
- Dusk Blue #26538D ΔE 0.051
- Light Navy #155084 ΔE 0.054
- Denim Blue #3B5B92 ΔE 0.055
Use #474C77 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.