#47577B
Closest named color: YInMn Blue (#415A77). oklch(45.9% 0.062 265.6), rgb(71, 87, 123).
Aa
White text reads best on this color (7.19:1).
About this color
#47577B is a medium-dark, muted blue. In OKLCH its lightness is 46%, its chroma 0.062 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.015 away. White text reads best on it, at 7.19:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.91:1 |
| White text | 7.19:1 |
Values
| HEX | #47577B |
| RGB | rgb(71, 87, 123) |
| HSL | hsl(222, 27%, 38%) |
| OKLCH | oklch(45.9% 0.062 265.6) |
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 #47577B | 7.19:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #47577B | 2.91:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #47577B text on white | 7.19:1 | AAA | Lc 84.9 | Fine for body text |
| #47577B text on black | 2.91:1 | Fails | Lc -17.1 | 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 800.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D3D9E7
oklch(88.5% 0.02 267.3)
-
Step 300
300
#B5C1D9
oklch(80.9% 0.036 264.3)
-
Step 400
400
#8FA0C6
oklch(70.6% 0.059 266)
-
Step 500
500
#7489B7
oklch(63.1% 0.074 265.4)
-
Step 600
600
#5D72A3
oklch(55.6% 0.081 266.1)
-
Step 700
700
#4C608C
oklch(49.2% 0.075 265.1)
-
Step 800
800 (this color)
#47577B
oklch(45.9% 0.062 265.6)
-
Step 900
900
#35415C
oklch(37.7% 0.049 265.7)
-
Step 950
950
#1F2636
oklch(26.9% 0.032 266.1)
#47577B 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) | #4A5A7D | 0.010 |
| Deuteranopia (no green cones) | #45557A | 0.007 |
| Tritanopia (no blue cones) | #365E64 | 0.054 |
| Achromatopsia (no color) | #575757 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #47577B
#47577B
oklch(45.9% 0.062 265.6)
- #67552D
#67552D
oklch(45.8% 0.062 85.7)
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 #47577B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.015
- Dusk #4E5481 ΔE 0.018
- Dusty Grape #545775 ΔE 0.021
- Light Navy Blue #2E5A88 ΔE 0.033
- Twilight #4E518B ΔE 0.036
- Denim Blue #3B5B92 ΔE 0.038
- Denim #3B638C ΔE 0.040
- Dusky Blue #475F94 ΔE 0.042
Use #47577B 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.