#474B77
Closest named color: Dusk (#4E5481). oklch(42.9% 0.073 278.9), rgb(71, 75, 119).
Aa
White text reads best on this color (8.26:1).
About this color
#474B77 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.073 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.031 away. White text reads best on it, at 8.26:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.54:1 |
| White text | 8.26:1 |
Values
| HEX | #474B77 |
| RGB | rgb(71, 75, 119) |
| HSL | hsl(235, 25%, 37%) |
| OKLCH | oklch(42.9% 0.073 278.9) |
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 #474B77 | 8.26:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #474B77 | 2.54:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #474B77 text on white | 8.26:1 | AAA | Lc 88.5 | Fine for body text |
| #474B77 text on black | 2.54:1 | Fails | Lc -13.7 | 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
#BABEDC
oklch(80.8% 0.042 279.4)
-
Step 400
400
#979DCB
oklch(70.8% 0.067 278.7)
-
Step 500
500
#7E84BE
oklch(63.1% 0.087 279)
-
Step 600
600
#676DAA
oklch(55.6% 0.095 278.6)
-
Step 700
700
#565B92
oklch(49.2% 0.088 278.7)
-
Step 800
800 (this color)
#474B77
oklch(42.9% 0.073 278.9)
-
Step 900
900
#3B3E5F
oklch(37.6% 0.056 279.3)
-
Step 950
950
#222538
oklch(27.1% 0.036 276.8)
#474B77 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) | #3C5079 | 0.020 |
| Deuteranopia (no green cones) | #3A4D76 | 0.019 |
| Tritanopia (no blue cones) | #39545B | 0.065 |
| Achromatopsia (no color) | #4E4E4E | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #474B77
#474B77
oklch(42.9% 0.073 278.9)
- #5A501B
#5A501B
oklch(43% 0.073 98.6)
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 #474B77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.031
- Twilight #4E518B ΔE 0.037
- Dusty Grape #545775 ΔE 0.044
- YInMn Blue #415A77 ΔE 0.045
- Dusk Blue #26538D ΔE 0.051
- Light Navy Blue #2E5A88 ΔE 0.051
- Light Navy #155084 ΔE 0.055
- Dark Slate Blue #483D8B ΔE 0.055
Use #474B77 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.