#474C70
Closest named color: Dusk (#4E5481). oklch(42.8% 0.06 277.5), rgb(71, 76, 112).
Aa
White text reads best on this color (8.28:1).
About this color
#474C70 is a dark, muted blue. In OKLCH its lightness is 43%, its chroma 0.060 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.035 away. White text reads best on it, at 8.28:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.53:1 |
| White text | 8.28:1 |
Values
| HEX | #474C70 |
| RGB | rgb(71, 76, 112) |
| HSL | hsl(233, 22%, 36%) |
| OKLCH | oklch(42.8% 0.06 277.5) |
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 #474C70 | 8.28:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #474C70 | 2.53:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #474C70 text on white | 8.28:1 | AAA | Lc 88.6 | Fine for body text |
| #474C70 text on black | 2.53:1 | Fails | Lc -13.6 | 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
#D6D8E6
oklch(88.5% 0.019 279.5)
-
Step 300
300
#BBBFD8
oklch(80.9% 0.035 278.4)
-
Step 400
400
#989EC4
oklch(70.8% 0.056 277.8)
-
Step 500
500
#7E86B5
oklch(63.1% 0.071 276.7)
-
Step 600
600
#686FA1
oklch(55.6% 0.078 277.4)
-
Step 700
700
#575D8A
oklch(49.2% 0.072 277.6)
-
Step 800
800 (this color)
#474C70
oklch(42.8% 0.06 277.5)
-
Step 900
900
#3B3F5A
oklch(37.6% 0.047 277.4)
-
Step 950
950
#232535
oklch(27% 0.03 278.7)
#474C70 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) | #415072 | 0.014 |
| Deuteranopia (no green cones) | #3E4D6F | 0.013 |
| Tritanopia (no blue cones) | #3C5359 | 0.053 |
| Achromatopsia (no color) | #4E4E4E | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #474C70
#474C70
oklch(42.8% 0.06 277.5)
- #584F27
#584F27
oklch(42.7% 0.059 96.9)
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 #474C70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.035
- Dusty Grape #545775 ΔE 0.040
- YInMn Blue #415A77 ΔE 0.041
- Twilight #4E518B ΔE 0.046
- Light Navy Blue #2E5A88 ΔE 0.054
- Dusk Blue #26538D ΔE 0.058
- Light Navy #155084 ΔE 0.059
- Dark Grey Blue #29465B ΔE 0.059
Use #474C70 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.