#375386
Closest named color: Dusk Blue (#26538D). oklch(44.5% 0.091 261.6), rgb(55, 83, 134).
Aa
White text reads best on this color (7.65:1).
About this color
#375386 is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.091 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.020 away. White text reads best on it, at 7.65:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.74:1 |
| White text | 7.65:1 |
Values
| HEX | #375386 |
| RGB | rgb(55, 83, 134) |
| HSL | hsl(219, 42%, 37%) |
| OKLCH | oklch(44.5% 0.091 261.6) |
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 #375386 | 7.65:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #375386 | 2.74:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #375386 text on white | 7.65:1 | AAA | Lc 86.4 | Fine for body text |
| #375386 text on black | 2.74:1 | Fails | Lc -15.6 | 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
#CFDAED
oklch(88.6% 0.029 261.5)
-
Step 300
300
#AEC1E4
oklch(80.8% 0.054 262.6)
-
Step 400
400
#83A1D6
oklch(70.7% 0.085 261.5)
-
Step 500
500
#6489CB
oklch(63.1% 0.108 261.4)
-
Step 600
600
#4B72B8
oklch(55.6% 0.118 261.3)
-
Step 700
700
#3D5F9E
oklch(49.1% 0.109 261.8)
-
Step 800
800 (this color)
#375386
oklch(44.5% 0.091 261.6)
-
Step 900
900
#2C4167
oklch(37.7% 0.071 261.6)
-
Step 950
950
#1A263C
oklch(26.9% 0.045 261.9)
#375386 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) | #3E5788 | 0.016 |
| Deuteranopia (no green cones) | #345085 | 0.010 |
| Tritanopia (no blue cones) | #005E66 | 0.080 |
| Achromatopsia (no color) | #535353 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #375386
#375386
oklch(44.5% 0.091 261.6)
- #6D4E02
#6D4E02
oklch(44.6% 0.091 81.9)
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 #375386, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.020
- Light Navy Blue #2E5A88 ΔE 0.021
- Denim Blue #3B5B92 ΔE 0.029
- Dusk #4E5481 ΔE 0.032
- Twilight #4E518B ΔE 0.033
- Light Navy #155084 ΔE 0.033
- Deep Sea Blue #015482 ΔE 0.038
- YInMn Blue #415A77 ΔE 0.039
Use #375386 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.