#475B68
Closest named color: YInMn Blue (#415A77). oklch(46% 0.032 236.9), rgb(71, 91, 104).
Aa
White text reads best on this color (7.08:1).
About this color
#475B68 is a medium-dark, muted blue. In OKLCH its lightness is 46%, its chroma 0.032 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.027 away. White text reads best on it, at 7.08:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.96:1 |
| White text | 7.08:1 |
Values
| HEX | #475B68 |
| RGB | rgb(71, 91, 104) |
| HSL | hsl(204, 19%, 34%) |
| OKLCH | oklch(46% 0.032 236.9) |
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 #475B68 | 7.08:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #475B68 | 2.96:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #475B68 text on white | 7.08:1 | AAA | Lc 84.6 | Fine for body text |
| #475B68 text on black | 2.96:1 | Fails | Lc -17.4 | Dividers and decoration only |
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 700.
-
Step 50
50
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D4DADE
oklch(88.5% 0.009 236.6)
-
Step 300
300
#B8C2CA
oklch(80.9% 0.016 241.8)
-
Step 400
400
#93A3AF
oklch(70.7% 0.025 240.2)
-
Step 500
500
#788D9B
oklch(63.2% 0.032 237.2)
-
Step 600
600
#607785
oklch(55.6% 0.035 235)
-
Step 700
700 (this color)
#475B68
oklch(46% 0.032 236.9)
-
Step 800
800
#41515C
oklch(42.6% 0.027 238.3)
-
Step 900
900
#37434B
oklch(37.5% 0.021 237.3)
-
Step 950
950
#20282C
oklch(27.1% 0.014 229.5)
#475B68 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) | #555A69 | 0.020 |
| Deuteranopia (no green cones) | #515768 | 0.018 |
| Tritanopia (no blue cones) | #3D5E5F | 0.024 |
| Achromatopsia (no color) | #585858 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #475B68
#475B68
oklch(46% 0.032 236.9)
- #665446
#665446
oklch(46% 0.032 59.7)
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 #475B68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.027
- Dusty Grape #545775 ΔE 0.034
- Slate #516572 ΔE 0.036
- Petrol #005F6A ΔE 0.053
- Dusk #4E5481 ΔE 0.053
- Denim #3B638C ΔE 0.057
- Light Navy Blue #2E5A88 ΔE 0.059
- Dark Aqua #05696B ΔE 0.060
Use #475B68 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.