#474C5F
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42% 0.032 273.4), rgb(71, 76, 95).
Aa
White text reads best on this color (8.51:1).
About this color
#474C5F is a dark, muted blue. In OKLCH its lightness is 42%, its chroma 0.032 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.047 away. White text reads best on it, at 8.51:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.46:1 |
| White text | 8.51:1 |
Values
| HEX | #474C5F |
| RGB | rgb(71, 76, 95) |
| HSL | hsl(228, 14%, 33%) |
| OKLCH | oklch(42% 0.032 273.4) |
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 #474C5F | 8.51:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #474C5F | 2.46:1 | Fails | Lc 14.7 | Not readable |
| #474C5F text on white | 8.51:1 | AAA | Lc 89.3 | Fine for body text |
| #474C5F text on black | 2.46:1 | Fails | Lc -12.9 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E8EAEE
oklch(93.7% 0.006 264.5)
-
Step 200
200
#D7D9E0
oklch(88.6% 0.01 273.3)
-
Step 300
300
#BCC0CD
oklch(80.9% 0.019 272.3)
-
Step 400
400
#9AA0B4
oklch(70.7% 0.03 272.4)
-
Step 500
500
#8288A1
oklch(63.1% 0.038 274.6)
-
Step 600
600
#6B728C
oklch(55.6% 0.041 273.2)
-
Step 700
700
#596077
oklch(49.2% 0.038 271.7)
-
Step 800
800 (this color)
#474C5F
oklch(42% 0.032 273.4)
-
Step 900
900
#3D414F
oklch(37.7% 0.025 272.6)
-
Step 950
950
#24262E
oklch(27% 0.015 274.3)
#474C5F 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) | #474E60 | 0.006 |
| Deuteranopia (no green cones) | #454C5F | 0.003 |
| Tritanopia (no blue cones) | #415052 | 0.030 |
| Achromatopsia (no color) | #4D4D4D | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #474C5F
#474C5F
oklch(42% 0.032 273.4)
- #534D39
#534D39
oklch(42% 0.032 93.4)
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 #474C5F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.047
- Dark Grey Blue #29465B ΔE 0.048
- YInMn Blue #415A77 ΔE 0.049
- Dusty Grape #545775 ΔE 0.050
- Charcoal #264653 ΔE 0.055
- Charcoal Grey #3C4142 ΔE 0.057
- Dusk #4E5481 ΔE 0.058
- Deep Teal #00555A ΔE 0.068
Use #474C5F 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.