#354685
Closest named color: Cobalt (#1E488F). oklch(41.4% 0.107 269.9), rgb(53, 70, 133).
Aa
White text reads best on this color (8.87:1).
About this color
#354685 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.107 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.028 away. White text reads best on it, at 8.87:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.36:1 |
| White text | 8.87:1 |
Values
| HEX | #354685 |
| RGB | rgb(53, 70, 133) |
| HSL | hsl(227, 43%, 36%) |
| OKLCH | oklch(41.4% 0.107 269.9) |
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 #354685 | 8.87:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #354685 | 2.36:1 | Fails | Lc 13.9 | Not readable |
| #354685 text on white | 8.87:1 | AAA | Lc 90.1 | Preferred for body text |
| #354685 text on black | 2.36:1 | Fails | Lc -12.2 | 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
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#D0D9F1
oklch(88.6% 0.034 269.3)
-
Step 300
300
#B1BFEA
oklch(80.8% 0.063 270.8)
-
Step 400
400
#889EE0
oklch(70.8% 0.1 269.6)
-
Step 500
500
#6B84D7
oklch(63.1% 0.128 269.8)
-
Step 600
600
#546CC4
oklch(55.6% 0.139 269.9)
-
Step 700
700
#455AA9
oklch(49.2% 0.128 270)
-
Step 800
800 (this color)
#354685
oklch(41.4% 0.107 269.9)
-
Step 900
900
#303E6E
oklch(37.7% 0.084 269.8)
-
Step 950
950
#1C2540
oklch(27.1% 0.052 268.8)
#354685 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) | #294E87 | 0.024 |
| Deuteranopia (no green cones) | #1D4784 | 0.026 |
| Tritanopia (no blue cones) | #00545F | 0.094 |
| Achromatopsia (no color) | #4A4A4A | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #354685
#354685
oklch(41.4% 0.107 269.9)
- #5D4900
#5D4900
oklch(41.5% 0.085 90.7)
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 #354685, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.028
- Dark Slate Blue #483D8B ΔE 0.037
- Dusk Blue #26538D ΔE 0.038
- Light Navy #155084 ΔE 0.038
- Blueberry #464196 ΔE 0.040
- Twilight Blue #0A437A ΔE 0.046
- Twilight #4E518B ΔE 0.051
- Deep Sea Blue #015482 ΔE 0.052
Use #354685 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.