#375184
Closest named color: Dusk Blue (#26538D). oklch(43.9% 0.09 262.8), rgb(55, 81, 132).
Aa
White text reads best on this color (7.85:1).
About this color
#375184 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.090 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.021 away. White text reads best on it, at 7.85:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.67:1 |
| White text | 7.85:1 |
Values
| HEX | #375184 |
| RGB | rgb(55, 81, 132) |
| HSL | hsl(220, 41%, 37%) |
| OKLCH | oklch(43.9% 0.09 262.8) |
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 #375184 | 7.85:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #375184 | 2.67:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #375184 text on white | 7.85:1 | AAA | Lc 87.1 | Fine for body text |
| #375184 text on black | 2.67:1 | Fails | Lc -15.0 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
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
#AFC1E4
oklch(80.9% 0.053 263.7)
-
Step 400
400
#85A1D6
oklch(70.8% 0.084 262.8)
-
Step 500
500
#6689CB
oklch(63.2% 0.108 262.4)
-
Step 600
600
#4E71B8
oklch(55.6% 0.118 263.2)
-
Step 700
700
#3F5F9E
oklch(49.2% 0.108 262.7)
-
Step 800
800 (this color)
#375184
oklch(43.9% 0.09 262.8)
-
Step 900
900
#2D4167
oklch(37.7% 0.07 262.4)
-
Step 950
950
#1B263C
oklch(27% 0.044 263.4)
#375184 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) | #3C5686 | 0.017 |
| Deuteranopia (no green cones) | #324E83 | 0.011 |
| Tritanopia (no blue cones) | #015C64 | 0.081 |
| Achromatopsia (no color) | #525252 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #375184
#375184
oklch(43.9% 0.09 262.8)
- #6A4D00
#6A4D00
oklch(44% 0.09 83.6)
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 #375184, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.021
- Light Navy Blue #2E5A88 ΔE 0.026
- Light Navy #155084 ΔE 0.031
- Dusk #4E5481 ΔE 0.034
- Twilight #4E518B ΔE 0.034
- Denim Blue #3B5B92 ΔE 0.035
- Deep Sea Blue #015482 ΔE 0.038
- YInMn Blue #415A77 ΔE 0.042
Use #375184 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.