#375392
Closest named color: Dusk Blue (#26538D). oklch(45.3% 0.109 264.4), rgb(55, 83, 146).
Aa
White text reads best on this color (7.46:1).
About this color
#375392 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.109 and its hue 264°. 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 7.46:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.81:1 |
| White text | 7.46:1 |
Values
| HEX | #375392 |
| RGB | rgb(55, 83, 146) |
| HSL | hsl(222, 45%, 39%) |
| OKLCH | oklch(45.3% 0.109 264.4) |
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 #375392 | 7.46:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #375392 | 2.81:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #375392 text on white | 7.46:1 | AAA | Lc 85.7 | Fine for body text |
| #375392 text on black | 2.81:1 | Fails | Lc -16.3 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CED9F1
oklch(88.4% 0.035 266)
-
Step 300
300
#ACC1EB
oklch(80.9% 0.064 264.1)
-
Step 400
400
#81A0E0
oklch(70.8% 0.1 264.1)
-
Step 500
500
#6187D8
oklch(63.2% 0.13 264)
-
Step 600
600
#496FC5
oklch(55.7% 0.14 264.4)
-
Step 700
700
#3A5CAA
oklch(49% 0.131 264.4)
-
Step 800
800 (this color)
#375392
oklch(45.3% 0.109 264.4)
-
Step 900
900
#2B406E
oklch(37.8% 0.083 264.3)
-
Step 950
950
#192541
oklch(26.9% 0.055 265.3)
#375392 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) | #375994 | 0.017 |
| Deuteranopia (no green cones) | #2A5191 | 0.016 |
| Tritanopia (no blue cones) | #00616B | 0.093 |
| Achromatopsia (no color) | #555555 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #375392
#375392
oklch(45.3% 0.109 264.4)
- #6E5100
#6E5100
oklch(45.3% 0.093 84.6)
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 #375392, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.020
- Denim Blue #3B5B92 ΔE 0.024
- Light Navy Blue #2E5A88 ΔE 0.030
- Twilight #4E518B ΔE 0.032
- Light Navy #155084 ΔE 0.041
- Dusk #4E5481 ΔE 0.041
- Dusky Blue #475F94 ΔE 0.042
- Cobalt #1E488F ΔE 0.044
Use #375392 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.