#345576
Closest named color: YInMn Blue (#415A77). oklch(43.9% 0.067 249.6), rgb(52, 85, 118).
Aa
White text reads best on this color (7.75:1).
About this color
#345576 is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.067 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.023 away. White text reads best on it, at 7.75:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.70:1 |
| White text | 7.75:1 |
Values
| HEX | #345576 |
| RGB | rgb(52, 85, 118) |
| HSL | hsl(210, 39%, 33%) |
| OKLCH | oklch(43.9% 0.067 249.6) |
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 #345576 | 7.75:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #345576 | 2.70:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #345576 text on white | 7.75:1 | AAA | Lc 86.8 | Fine for body text |
| #345576 text on black | 2.70:1 | Fails | Lc -15.3 | 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
#AEC3DA
oklch(80.9% 0.04 250.7)
-
Step 400
400
#83A4C7
oklch(70.7% 0.063 250.2)
-
Step 500
500
#638DB8
oklch(63% 0.08 249.8)
-
Step 600
600
#4977A4
oklch(55.6% 0.087 249.1)
-
Step 700
700
#3A648D
oklch(49.1% 0.081 249.3)
-
Step 800
800 (this color)
#345576
oklch(43.9% 0.067 249.6)
-
Step 900
900
#2B445C
oklch(37.7% 0.052 248.4)
-
Step 950
950
#1A2836
oklch(27.1% 0.032 249.1)
#345576 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) | #475677 | 0.025 |
| Deuteranopia (no green cones) | #3F5075 | 0.019 |
| Tritanopia (no blue cones) | #0C5D60 | 0.059 |
| Achromatopsia (no color) | #525252 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #345576
#345576
oklch(43.9% 0.067 249.6)
- #6A4B26
#6A4B26
oklch(43.8% 0.067 69.3)
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 #345576, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.023
- Light Navy Blue #2E5A88 ΔE 0.030
- Deep Sea Blue #015482 ΔE 0.038
- Dusk #4E5481 ΔE 0.040
- Light Navy #155084 ΔE 0.041
- Dusk Blue #26538D ΔE 0.042
- Dusty Grape #545775 ΔE 0.044
- Denim Blue #3B5B92 ΔE 0.048
Use #345576 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.