#474D7B
Closest named color: Dusk (#4E5481). oklch(43.6% 0.076 277.1), rgb(71, 77, 123).
Aa
White text reads best on this color (8.02:1).
About this color
#474D7B is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.076 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.025 away. White text reads best on it, at 8.02:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.61:1 |
| White text | 8.02:1 |
Values
| HEX | #474D7B |
| RGB | rgb(71, 77, 123) |
| HSL | hsl(233, 27%, 38%) |
| OKLCH | oklch(43.6% 0.076 277.1) |
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 #474D7B | 8.02:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #474D7B | 2.61:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #474D7B text on white | 8.02:1 | AAA | Lc 87.8 | Fine for body text |
| #474D7B text on black | 2.61:1 | Fails | Lc -14.4 | 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
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D5D8EA
oklch(88.5% 0.025 278.3)
-
Step 300
300
#B9BFDE
oklch(81% 0.044 276.7)
-
Step 400
400
#959DCD
oklch(70.7% 0.071 277.1)
-
Step 500
500
#7B84C0
oklch(63% 0.091 276.9)
-
Step 600
600
#656DAD
oklch(55.6% 0.1 277.2)
-
Step 700
700
#545B94
oklch(49.1% 0.091 277.2)
-
Step 800
800 (this color)
#474D7B
oklch(43.6% 0.076 277.1)
-
Step 900
900
#3A3E61
oklch(37.6% 0.06 278.1)
-
Step 950
950
#222539
oklch(27.1% 0.037 277)
#474D7B 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) | #3D527D | 0.018 |
| Deuteranopia (no green cones) | #3A4E7A | 0.018 |
| Tritanopia (no blue cones) | #37565E | 0.067 |
| Achromatopsia (no color) | #505050 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #474D7B
#474D7B
oklch(43.6% 0.076 277.1)
- #5D5119
#5D5119
oklch(43.5% 0.076 97)
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 #474D7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.025
- Twilight #4E518B ΔE 0.030
- Dusty Grape #545775 ΔE 0.041
- YInMn Blue #415A77 ΔE 0.041
- Light Navy Blue #2E5A88 ΔE 0.045
- Dusk Blue #26538D ΔE 0.046
- Denim Blue #3B5B92 ΔE 0.049
- Light Navy #155084 ΔE 0.053
Use #474D7B 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.