#345574
Closest named color: YInMn Blue (#415A77). oklch(43.8% 0.064 248), rgb(52, 85, 116).
Aa
White text reads best on this color (7.78:1).
About this color
#345574 is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.064 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.024 away. White text reads best on it, at 7.78:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.69:1 |
| White text | 7.78:1 |
Values
| HEX | #345574 |
| RGB | rgb(52, 85, 116) |
| HSL | hsl(209, 38%, 33%) |
| OKLCH | oklch(43.8% 0.064 248) |
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 #345574 | 7.78:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #345574 | 2.69:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #345574 text on white | 7.78:1 | AAA | Lc 86.9 | Fine for body text |
| #345574 text on black | 2.69:1 | Fails | Lc -15.2 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CFDBE7
oklch(88.6% 0.021 248.1)
-
Step 300
300
#AEC3D8
oklch(80.8% 0.038 248.3)
-
Step 400
400
#83A4C5
oklch(70.6% 0.061 248.7)
-
Step 500
500
#638EB6
oklch(63.1% 0.077 247.3)
-
Step 600
600
#4A77A2
oklch(55.5% 0.084 248.5)
-
Step 700
700
#3B648B
oklch(49.1% 0.078 248.5)
-
Step 800
800 (this color)
#345574
oklch(43.8% 0.064 248)
-
Step 900
900
#2B445B
oklch(37.7% 0.05 247.3)
-
Step 950
950
#1A2835
oklch(27% 0.031 247.2)
#345574 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) | #485675 | 0.026 |
| Deuteranopia (no green cones) | #404F73 | 0.022 |
| Tritanopia (no blue cones) | #0F5C60 | 0.054 |
| Achromatopsia (no color) | #525252 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #345574
#345574
oklch(43.8% 0.064 248)
- #6A4B29
#6A4B29
oklch(43.9% 0.065 67.3)
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 #345574, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.024
- Light Navy Blue #2E5A88 ΔE 0.033
- Deep Sea Blue #015482 ΔE 0.040
- Dusk #4E5481 ΔE 0.042
- Light Navy #155084 ΔE 0.043
- Dusty Grape #545775 ΔE 0.044
- Dusk Blue #26538D ΔE 0.045
- Petrol #005F6A ΔE 0.049
Use #345574 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.