#345375
Closest named color: YInMn Blue (#415A77). oklch(43.4% 0.068 251.7), rgb(52, 83, 117).
Aa
White text reads best on this color (7.95:1).
About this color
#345375 is a dark, muted blue. In OKLCH its lightness is 43%, its chroma 0.068 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.028 away. White text reads best on it, at 7.95:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.64:1 |
| White text | 7.95:1 |
Values
| HEX | #345375 |
| RGB | rgb(52, 83, 117) |
| HSL | hsl(211, 38%, 33%) |
| OKLCH | oklch(43.4% 0.068 251.7) |
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 #345375 | 7.95:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #345375 | 2.64:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #345375 text on white | 7.95:1 | AAA | Lc 87.5 | Fine for body text |
| #345375 text on black | 2.64:1 | Fails | Lc -14.7 | 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
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CFDAE8
oklch(88.4% 0.023 254.4)
-
Step 300
300
#AFC3DA
oklch(80.9% 0.039 252)
-
Step 400
400
#84A4C7
oklch(70.7% 0.063 251)
-
Step 500
500
#658DB9
oklch(63.2% 0.08 251.5)
-
Step 600
600
#4B76A5
oklch(55.5% 0.088 251.7)
-
Step 700
700
#3C638E
oklch(49% 0.082 252)
-
Step 800
800 (this color)
#345375
oklch(43.4% 0.068 251.7)
-
Step 900
900
#2C435D
oklch(37.6% 0.053 252.2)
-
Step 950
950
#1A2836
oklch(27.1% 0.032 249.1)
#345375 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) | #455477 | 0.023 |
| Deuteranopia (no green cones) | #3D4E74 | 0.017 |
| Tritanopia (no blue cones) | #0F5B5F | 0.059 |
| Achromatopsia (no color) | #515151 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #345375
#345375
oklch(43.4% 0.068 251.7)
- #684A24
#684A24
oklch(43.3% 0.067 70.9)
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 #345375, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.028
- Light Navy Blue #2E5A88 ΔE 0.033
- Deep Sea Blue #015482 ΔE 0.037
- Light Navy #155084 ΔE 0.039
- Dusk Blue #26538D ΔE 0.041
- Dusk #4E5481 ΔE 0.042
- Dusty Grape #545775 ΔE 0.047
- Denim Blue #3B5B92 ΔE 0.051
Use #345375 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.