#355B89
Closest named color: Light Navy Blue (#2E5A88). oklch(46.5% 0.087 254.1), rgb(53, 91, 137).
Aa
White text reads best on this color (6.97:1).
About this color
#355B89 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.087 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.008 away. White text reads best on it, at 6.97:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 3.00:1 |
| White text | 6.97:1 |
Values
| HEX | #355B89 |
| RGB | rgb(53, 91, 137) |
| HSL | hsl(213, 44%, 37%) |
| OKLCH | oklch(46.5% 0.087 254.1) |
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 #355B89 | 6.97:1 | AA | Lc -89.0 | Fine for body text |
| Black text on #355B89 | 3.00:1 | AA large text | Lc 20.0 | Dividers and decoration only |
| #355B89 text on white | 6.97:1 | AA | Lc 84.0 | Fine for body text |
| #355B89 text on black | 3.00:1 | AA large text | Lc -18.0 | 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 700.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EAF2
oklch(93.5% 0.013 255.5)
-
Step 200
200
#CFDAE9
oklch(88.5% 0.024 256.1)
-
Step 300
300
#AEC3DC
oklch(80.9% 0.042 252.9)
-
Step 400
400
#84A3CA
oklch(70.6% 0.067 254.4)
-
Step 500
500
#658CBD
oklch(63.1% 0.086 254.6)
-
Step 600
600
#4B75A9
oklch(55.5% 0.094 254.5)
-
Step 700
700 (this color)
#355B89
oklch(46.5% 0.087 254.1)
-
Step 800
800
#325176
oklch(42.8% 0.072 253.7)
-
Step 900
900
#2C435F
oklch(37.7% 0.056 253.9)
-
Step 950
950
#1A2738
oklch(26.9% 0.037 255.4)
#355B89 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) | #485E8B | 0.026 |
| Deuteranopia (no green cones) | #3D5688 | 0.016 |
| Tritanopia (no blue cones) | #00666C | 0.073 |
| Achromatopsia (no color) | #595959 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #355B89
#355B89
oklch(46.5% 0.087 254.1)
- #765117
#765117
oklch(46.5% 0.087 74)
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 #355B89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.008
- Denim Blue #3B5B92 ΔE 0.017
- Denim #3B638C ΔE 0.025
- Dusky Blue #475F94 ΔE 0.031
- YInMn Blue #415A77 ΔE 0.031
- Dusk Blue #26538D ΔE 0.032
- Dusk #4E5481 ΔE 0.035
- Twilight #4E518B ΔE 0.041
Use #355B89 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.