#354D84
Closest named color: Dusk Blue (#26538D). oklch(42.9% 0.096 264.9), rgb(53, 77, 132).
Aa
White text reads best on this color (8.24:1).
About this color
#354D84 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.096 and its hue 265°. 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 8.24:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.54:1 |
| White text | 8.24:1 |
Values
| HEX | #354D84 |
| RGB | rgb(53, 77, 132) |
| HSL | hsl(222, 43%, 36%) |
| OKLCH | oklch(42.9% 0.096 264.9) |
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 #354D84 | 8.24:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #354D84 | 2.54:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #354D84 text on white | 8.24:1 | AAA | Lc 88.3 | Fine for body text |
| #354D84 text on black | 2.54:1 | Fails | Lc -13.8 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CFD9EE
oklch(88.4% 0.031 265.3)
-
Step 300
300
#AFC1E6
oklch(81% 0.056 264.7)
-
Step 400
400
#85A0D9
oklch(70.7% 0.089 264.7)
-
Step 500
500
#6787CF
oklch(63% 0.115 265.1)
-
Step 600
600
#4F70BC
oklch(55.6% 0.124 264.9)
-
Step 700
700
#405DA2
oklch(49% 0.116 265.2)
-
Step 800
800 (this color)
#354D84
oklch(42.9% 0.096 264.9)
-
Step 900
900
#2E4069
oklch(37.7% 0.074 265.1)
-
Step 950
950
#1B263E
oklch(27.1% 0.048 264.7)
#354D84 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) | #365286 | 0.015 |
| Deuteranopia (no green cones) | #2B4B83 | 0.014 |
| Tritanopia (no blue cones) | #005962 | 0.085 |
| Achromatopsia (no color) | #4F4F4F | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #354D84
#354D84
oklch(42.9% 0.096 264.9)
- #664B00
#664B00
oklch(43% 0.088 84.8)
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 #354D84, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.023
- Light Navy #155084 ΔE 0.028
- Cobalt #1E488F ΔE 0.035
- Light Navy Blue #2E5A88 ΔE 0.037
- Deep Sea Blue #015482 ΔE 0.039
- Twilight #4E518B ΔE 0.040
- Dusk #4E5481 ΔE 0.043
- Denim Blue #3B5B92 ΔE 0.045
Use #354D84 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.