#345277
Closest named color: YInMn Blue (#415A77). oklch(43.2% 0.071 254.3), rgb(52, 82, 119).
Aa
White text reads best on this color (8.01:1).
About this color
#345277 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.071 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.031 away. White text reads best on it, at 8.01:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.61:1 |
| White text | 8.01:1 |
Values
| HEX | #345277 |
| RGB | rgb(52, 82, 119) |
| HSL | hsl(213, 39%, 34%) |
| OKLCH | oklch(43.2% 0.071 254.3) |
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 #345277 | 8.01:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #345277 | 2.61:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #345277 text on white | 8.01:1 | AAA | Lc 87.7 | Fine for body text |
| #345277 text on black | 2.61:1 | Fails | Lc -14.5 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EAF2
oklch(93.5% 0.013 255.5)
-
Step 200
200
#CFDAE9
oklch(88.5% 0.024 256.1)
-
Step 300
300
#AFC3DC
oklch(81% 0.042 254.1)
-
Step 400
400
#84A3CA
oklch(70.6% 0.067 254.4)
-
Step 500
500
#658CBC
oklch(63.1% 0.085 254.1)
-
Step 600
600
#4C75A9
oklch(55.5% 0.094 254.9)
-
Step 700
700
#3D6291
oklch(49% 0.087 255)
-
Step 800
800 (this color)
#345277
oklch(43.2% 0.071 254.3)
-
Step 900
900
#2C435F
oklch(37.7% 0.056 253.9)
-
Step 950
950
#1A2737
oklch(26.9% 0.035 254.1)
#345277 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) | #435479 | 0.021 |
| Deuteranopia (no green cones) | #3B4D76 | 0.016 |
| Tritanopia (no blue cones) | #0C5A5F | 0.062 |
| Achromatopsia (no color) | #505050 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #345277
#345277
oklch(43.2% 0.071 254.3)
- #684A1F
#684A1F
oklch(43.3% 0.071 73.6)
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 #345277, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.031
- Light Navy Blue #2E5A88 ΔE 0.032
- Light Navy #155084 ΔE 0.035
- Deep Sea Blue #015482 ΔE 0.036
- Dusk Blue #26538D ΔE 0.038
- Dusk #4E5481 ΔE 0.040
- Dusty Grape #545775 ΔE 0.048
- Denim Blue #3B5B92 ΔE 0.049
Use #345277 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.