#355471
Closest named color: YInMn Blue (#415A77). oklch(43.5% 0.061 247.8), rgb(53, 84, 113).
Aa
White text reads best on this color (7.90:1).
About this color
#355471 is a dark, muted blue. In OKLCH its lightness is 43%, its chroma 0.061 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.026 away. White text reads best on it, at 7.90:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.65:1 |
| White text | 7.90:1 |
Values
| HEX | #355471 |
| RGB | rgb(53, 84, 113) |
| HSL | hsl(209, 36%, 33%) |
| OKLCH | oklch(43.5% 0.061 247.8) |
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 #355471 | 7.90:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #355471 | 2.65:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #355471 text on white | 7.90:1 | AAA | Lc 87.3 | Fine for body text |
| #355471 text on black | 2.65:1 | Fails | Lc -14.8 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBF0
oklch(93.7% 0.009 242.8)
-
Step 200
200
#CFDBE6
oklch(88.6% 0.02 245.7)
-
Step 300
300
#AFC3D7
oklch(80.8% 0.036 248.3)
-
Step 400
400
#85A4C3
oklch(70.6% 0.057 248.6)
-
Step 500
500
#668EB4
oklch(63.2% 0.073 247.8)
-
Step 600
600
#4C779F
oklch(55.5% 0.079 247.7)
-
Step 700
700
#3D6488
oklch(49% 0.073 247.6)
-
Step 800
800 (this color)
#355471
oklch(43.5% 0.061 247.8)
-
Step 900
900
#2D445A
oklch(37.8% 0.048 248.1)
-
Step 950
950
#1B2834
oklch(27.1% 0.029 246.9)
#355471 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) | #485572 | 0.025 |
| Deuteranopia (no green cones) | #404F70 | 0.019 |
| Tritanopia (no blue cones) | #175B5E | 0.052 |
| Achromatopsia (no color) | #515151 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #355471
#355471
oklch(43.5% 0.061 247.8)
- #674B2B
#674B2B
oklch(43.5% 0.06 68.8)
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 #355471, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.026
- Light Navy Blue #2E5A88 ΔE 0.038
- Deep Sea Blue #015482 ΔE 0.043
- Dusk #4E5481 ΔE 0.045
- Dusty Grape #545775 ΔE 0.045
- Light Navy #155084 ΔE 0.046
- Dusk Blue #26538D ΔE 0.049
- Petrol #005F6A ΔE 0.049
Use #355471 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.