#355497
Closest named color: Dusk Blue (#26538D). oklch(45.7% 0.115 263.8), rgb(53, 84, 151).
Aa
White text reads best on this color (7.32:1).
About this color
#355497 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.115 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.023 away. White text reads best on it, at 7.32:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.86:1 |
| White text | 7.32:1 |
Values
| HEX | #355497 |
| RGB | rgb(53, 84, 151) |
| HSL | hsl(221, 48%, 40%) |
| OKLCH | oklch(45.7% 0.115 263.8) |
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 #355497 | 7.32:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #355497 | 2.86:1 | Fails | Lc 18.8 | Dividers and decoration only |
| #355497 text on white | 7.32:1 | AAA | Lc 85.2 | Fine for body text |
| #355497 text on black | 2.86:1 | Fails | Lc -16.8 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200
#CDDAF3
oklch(88.6% 0.037 263.6)
-
Step 300
300
#AAC1ED
oklch(80.9% 0.067 263.3)
-
Step 400
400
#7EA0E4
oklch(70.8% 0.107 263.5)
-
Step 500
500
#5E86DC
oklch(63% 0.137 264)
-
Step 600
600
#446ECA
oklch(55.5% 0.15 263.8)
-
Step 700
700
#365CAF
oklch(49.2% 0.139 263.6)
-
Step 800
800 (this color)
#355497
oklch(45.7% 0.115 263.8)
-
Step 900
900
#283F71
oklch(37.6% 0.091 264)
-
Step 950
950
#182542
oklch(26.9% 0.057 264.6)
#355497 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) | #355B9A | 0.020 |
| Deuteranopia (no green cones) | #255296 | 0.018 |
| Tritanopia (no blue cones) | #00636E | 0.096 |
| Achromatopsia (no color) | #565656 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #355497
#355497
oklch(45.7% 0.115 263.8)
- #705200
#705200
oklch(45.8% 0.094 84.1)
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 #355497, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.023
- Denim Blue #3B5B92 ΔE 0.025
- Light Navy Blue #2E5A88 ΔE 0.034
- Twilight #4E518B ΔE 0.036
- Dusky Blue #475F94 ΔE 0.042
- Light Navy #155084 ΔE 0.045
- Cobalt #1E488F ΔE 0.045
- Dusk #4E5481 ΔE 0.047
Use #355497 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.