#474B7B
Closest named color: Dusk (#4E5481). oklch(43.2% 0.079 278.9), rgb(71, 75, 123).
Aa
White text reads best on this color (8.20:1).
About this color
#474B7B is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.079 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.030 away. White text reads best on it, at 8.20:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.56:1 |
| White text | 8.20:1 |
Values
| HEX | #474B7B |
| RGB | rgb(71, 75, 123) |
| HSL | hsl(235, 27%, 38%) |
| OKLCH | oklch(43.2% 0.079 278.9) |
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 #474B7B | 8.20:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #474B7B | 2.56:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #474B7B text on white | 8.20:1 | AAA | Lc 88.3 | Fine for body text |
| #474B7B 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F3
oklch(93.6% 0.013 281.6)
-
Step 200
200
#D5D8EA
oklch(88.5% 0.025 278.3)
-
Step 300
300
#BABEDF
oklch(80.9% 0.047 279.8)
-
Step 400
400
#969CCF
oklch(70.7% 0.075 279.1)
-
Step 500
500
#7D83C2
oklch(63% 0.095 279.1)
-
Step 600
600
#676CAE
oklch(55.6% 0.102 279.2)
-
Step 700
700
#555A96
oklch(49.1% 0.096 278.6)
-
Step 800
800 (this color)
#474B7B
oklch(43.2% 0.079 278.9)
-
Step 900
900
#3A3E62
oklch(37.7% 0.062 278.2)
-
Step 950
950
#222439
oklch(26.9% 0.039 279.2)
#474B7B 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) | #3B517D | 0.022 |
| Deuteranopia (no green cones) | #374D7A | 0.023 |
| Tritanopia (no blue cones) | #37555D | 0.070 |
| Achromatopsia (no color) | #4F4F4F | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #474B7B
#474B7B
oklch(43.2% 0.079 278.9)
- #5B5114
#5B5114
oklch(43.3% 0.079 99.7)
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 #474B7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.030
- Twilight #4E518B ΔE 0.032
- Dusty Grape #545775 ΔE 0.046
- YInMn Blue #415A77 ΔE 0.047
- Dusk Blue #26538D ΔE 0.048
- Light Navy Blue #2E5A88 ΔE 0.050
- Dark Slate Blue #483D8B ΔE 0.050
- Light Navy #155084 ΔE 0.053
Use #474B7B 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.