#355D8B
Closest named color: Light Navy Blue (#2E5A88). oklch(47.1% 0.088 253.1), rgb(53, 93, 139).
Aa
White text reads best on this color (6.79:1).
About this color
#355D8B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.088 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.013 away. White text reads best on it, at 6.79:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 3.08:1 |
| White text | 6.79:1 |
Values
| HEX | #355D8B |
| RGB | rgb(53, 93, 139) |
| HSL | hsl(212, 45%, 38%) |
| OKLCH | oklch(47.1% 0.088 253.1) |
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 #355D8B | 6.79:1 | AA | Lc -88.3 | Fine for body text |
| Black text on #355D8B | 3.08:1 | AA large text | Lc 20.8 | Dividers and decoration only |
| #355D8B text on white | 6.79:1 | AA | Lc 83.3 | Fine for body text |
| #355D8B text on black | 3.08:1 | AA large text | Lc -18.7 | 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
#83A4CB
oklch(70.8% 0.068 252.9)
-
Step 500
500
#638CBD
oklch(63% 0.087 253.5)
-
Step 600
600
#4A76A9
oklch(55.6% 0.094 253.1)
-
Step 700
700 (this color)
#355D8B
oklch(47.1% 0.088 253.1)
-
Step 800
800
#315176
oklch(42.8% 0.073 253)
-
Step 900
900
#2B435F
oklch(37.6% 0.057 253)
-
Step 950
950
#1A2738
oklch(26.9% 0.037 255.4)
#355D8B 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) | #4A608D | 0.028 |
| Deuteranopia (no green cones) | #3E578A | 0.019 |
| Tritanopia (no blue cones) | #00686D | 0.075 |
| Achromatopsia (no color) | #5B5B5B | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #355D8B
#355D8B
oklch(47.1% 0.088 253.1)
- #795219
#795219
oklch(47.1% 0.088 72.3)
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 #355D8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.013
- Denim Blue #3B5B92 ΔE 0.016
- Denim #3B638C ΔE 0.020
- Dusky Blue #475F94 ΔE 0.027
- YInMn Blue #415A77 ΔE 0.033
- Dusk Blue #26538D ΔE 0.036
- Peacock Blue #016795 ΔE 0.037
- Dusk #4E5481 ΔE 0.038
Use #355D8B 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.