#474B73
Closest named color: Dusk (#4E5481). oklch(42.7% 0.066 278.8), rgb(71, 75, 115).
Aa
White text reads best on this color (8.32:1).
About this color
#474B73 is a dark, muted blue. In OKLCH its lightness is 43%, its chroma 0.066 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.034 away. White text reads best on it, at 8.32:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.52:1 |
| White text | 8.32:1 |
Values
| HEX | #474B73 |
| RGB | rgb(71, 75, 115) |
| HSL | hsl(235, 24%, 36%) |
| OKLCH | oklch(42.7% 0.066 278.8) |
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 #474B73 | 8.32:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #474B73 | 2.52:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #474B73 text on white | 8.32:1 | AAA | Lc 88.7 | Fine for body text |
| #474B73 text on black | 2.52:1 | Fails | Lc -13.5 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E8E9F1
oklch(93.6% 0.011 280.5)
-
Step 200
200
#D6D8E8
oklch(88.5% 0.022 280.3)
-
Step 300
300
#BBBFDA
oklch(81% 0.038 278.8)
-
Step 400
400
#989DC7
oklch(70.7% 0.062 279.4)
-
Step 500
500
#7F85B9
oklch(63.2% 0.078 278.8)
-
Step 600
600
#686EA5
oklch(55.6% 0.086 278.5)
-
Step 700
700
#575C8E
oklch(49.2% 0.08 278.7)
-
Step 800
800 (this color)
#474B73
oklch(42.7% 0.066 278.8)
-
Step 900
900
#3B3F5D
oklch(37.7% 0.052 277.8)
-
Step 950
950
#232536
oklch(27% 0.032 278.9)
#474B73 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) | #3E5075 | 0.018 |
| Deuteranopia (no green cones) | #3C4C72 | 0.016 |
| Tritanopia (no blue cones) | #3B5359 | 0.060 |
| Achromatopsia (no color) | #4E4E4E | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #474B73
#474B73
oklch(42.7% 0.066 278.8)
- #584F21
#584F21
oklch(42.6% 0.066 98.4)
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 #474B73, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.034
- Twilight #4E518B ΔE 0.043
- Dusty Grape #545775 ΔE 0.043
- YInMn Blue #415A77 ΔE 0.044
- Light Navy Blue #2E5A88 ΔE 0.054
- Dusk Blue #26538D ΔE 0.055
- Light Navy #155084 ΔE 0.057
- Dark Slate Blue #483D8B ΔE 0.061
Use #474B73 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.