#355188
Closest named color: Dusk Blue (#26538D). oklch(44.1% 0.097 262.7), rgb(53, 81, 136).
Aa
White text reads best on this color (7.82:1).
About this color
#355188 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.097 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.016 away. White text reads best on it, at 7.82:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.68:1 |
| White text | 7.82:1 |
Values
| HEX | #355188 |
| RGB | rgb(53, 81, 136) |
| HSL | hsl(220, 44%, 37%) |
| OKLCH | oklch(44.1% 0.097 262.7) |
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 #355188 | 7.82:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #355188 | 2.68:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #355188 text on white | 7.82:1 | AAA | Lc 87.0 | Fine for body text |
| #355188 text on black | 2.68:1 | Fails | Lc -15.1 | 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
#F3F6FB
oklch(97.2% 0.007 260.7)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CEDAEF
oklch(88.6% 0.032 261.7)
-
Step 300
300
#ADC1E6
oklch(80.8% 0.057 262.7)
-
Step 400
400
#82A1DA
oklch(70.8% 0.091 262.2)
-
Step 500
500
#6388D0
oklch(63.1% 0.117 262.8)
-
Step 600
600
#4A71BD
oklch(55.7% 0.126 262.5)
-
Step 700
700
#3C5EA3
oklch(49.1% 0.118 263)
-
Step 800
800 (this color)
#355188
oklch(44.1% 0.097 262.7)
-
Step 900
900
#2B416A
oklch(37.8% 0.076 262)
-
Step 950
950
#1A263E
oklch(27% 0.048 263.3)
#355188 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) | #39568A | 0.016 |
| Deuteranopia (no green cones) | #2E4E87 | 0.013 |
| Tritanopia (no blue cones) | #005D66 | 0.084 |
| Achromatopsia (no color) | #525252 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #355188
#355188
oklch(44.1% 0.097 262.7)
- #6B4D00
#6B4D00
oklch(44.1% 0.091 82.7)
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 #355188, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.016
- Light Navy Blue #2E5A88 ΔE 0.027
- Light Navy #155084 ΔE 0.030
- Denim Blue #3B5B92 ΔE 0.033
- Twilight #4E518B ΔE 0.034
- Deep Sea Blue #015482 ΔE 0.037
- Dusk #4E5481 ΔE 0.038
- Cobalt #1E488F ΔE 0.040
Use #355188 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.