#375684
Closest named color: Light Navy Blue (#2E5A88). oklch(45.1% 0.084 258.1), rgb(55, 86, 132).
Aa
White text reads best on this color (7.42:1).
About this color
#375684 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.084 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.014 away. White text reads best on it, at 7.42:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.82:1 |
| White text | 7.42:1 |
Values
| HEX | #375684 |
| RGB | rgb(55, 86, 132) |
| HSL | hsl(216, 41%, 37%) |
| OKLCH | oklch(45.1% 0.084 258.1) |
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 #375684 | 7.42:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #375684 | 2.82:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #375684 text on white | 7.42:1 | AAA | Lc 85.7 | Fine for body text |
| #375684 text on black | 2.82:1 | Fails | Lc -16.4 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CEDAEC
oklch(88.5% 0.028 258.4)
-
Step 300
300
#ADC2E1
oklch(80.8% 0.05 258)
-
Step 400
400
#82A2D2
oklch(70.6% 0.079 258.3)
-
Step 500
500
#638BC6
oklch(63.2% 0.1 258)
-
Step 600
600
#4974B3
oklch(55.7% 0.11 257.9)
-
Step 700
700
#3A619A
oklch(49.1% 0.102 257.8)
-
Step 800
800 (this color)
#375684
oklch(45.1% 0.084 258.1)
-
Step 900
900
#2B4264
oklch(37.7% 0.065 258)
-
Step 950
950
#19273B
oklch(27% 0.042 257.3)
#375684 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) | #435986 | 0.018 |
| Deuteranopia (no green cones) | #395283 | 0.012 |
| Tritanopia (no blue cones) | #006067 | 0.074 |
| Achromatopsia (no color) | #555555 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #375684
#375684
oklch(45.1% 0.084 258.1)
- #6F4F14
#6F4F14
oklch(45.1% 0.084 78.1)
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 #375684, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.014
- Dusk Blue #26538D ΔE 0.026
- Denim Blue #3B5B92 ΔE 0.026
- Dusk #4E5481 ΔE 0.030
- YInMn Blue #415A77 ΔE 0.030
- Twilight #4E518B ΔE 0.036
- Light Navy #155084 ΔE 0.038
- Deep Sea Blue #015482 ΔE 0.039
Use #375684 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.