#375498
Closest named color: Denim Blue (#3B5B92). oklch(45.9% 0.116 264.8), rgb(55, 84, 152).
Aa
White text reads best on this color (7.28:1).
About this color
#375498 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.116 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.025 away. White text reads best on it, at 7.28:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 2.88:1 |
| White text | 7.28:1 |
Values
| HEX | #375498 |
| RGB | rgb(55, 84, 152) |
| HSL | hsl(222, 47%, 41%) |
| OKLCH | oklch(45.9% 0.116 264.8) |
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 #375498 | 7.28:1 | AAA | Lc -90.0 | Fine for body text |
| Black text on #375498 | 2.88:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #375498 text on white | 7.28:1 | AAA | Lc 85.1 | Fine for body text |
| #375498 text on black | 2.88:1 | Fails | Lc -16.9 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CDD9F3
oklch(88.4% 0.038 265.8)
-
Step 300
300
#ABC1ED
oklch(80.9% 0.067 264.1)
-
Step 400
400
#7F9FE5
oklch(70.7% 0.109 265)
-
Step 500
500
#5F86DD
oklch(63.1% 0.138 264.5)
-
Step 600
600
#476ECB
oklch(55.7% 0.151 264.8)
-
Step 700
700
#385BAF
oklch(49.1% 0.14 264.7)
-
Step 800
800 (this color)
#375498
oklch(45.9% 0.116 264.8)
-
Step 900
900
#293F71
oklch(37.7% 0.09 264.6)
-
Step 950
950
#182542
oklch(26.9% 0.057 264.6)
#375498 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) | #345B9B | 0.019 |
| Deuteranopia (no green cones) | #255297 | 0.020 |
| Tritanopia (no blue cones) | #00636E | 0.098 |
| Achromatopsia (no color) | #575757 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #375498
#375498
oklch(45.9% 0.116 264.8)
- #705300
#705300
oklch(46% 0.094 85.1)
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 #375498, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.025
- Dusk Blue #26538D ΔE 0.026
- Twilight #4E518B ΔE 0.035
- Light Navy Blue #2E5A88 ΔE 0.036
- Dusky Blue #475F94 ΔE 0.041
- Dusk #4E5481 ΔE 0.047
- Cobalt #1E488F ΔE 0.047
- Light Navy #155084 ΔE 0.048
Use #375498 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.