#353D6F
Closest named color: Twilight Blue (#0A437A). oklch(37.9% 0.086 274.7), rgb(53, 61, 111).
Aa
White text reads best on this color (10.25:1).
About this color
#353D6F is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.086 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.043 away. White text reads best on it, at 10.25:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.04:1 |
| White text | 10.25:1 |
Values
| HEX | #353D6F |
| RGB | rgb(53, 61, 111) |
| HSL | hsl(232, 35%, 32%) |
| OKLCH | oklch(37.9% 0.086 274.7) |
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 #353D6F | 10.25:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #353D6F | 2.04:1 | Fails | Lc 10.3 | Not readable |
| #353D6F text on white | 10.25:1 | AAA | Lc 93.7 | Preferred for body text |
| #353D6F text on black | 2.04:1 | Fails | Lc -8.8 | 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 900.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D2D8F1
oklch(88.5% 0.035 274.9)
-
Step 300
300
#B4BEEB
oklch(80.9% 0.065 275.1)
-
Step 400
400
#8D9BE1
oklch(70.6% 0.104 274.8)
-
Step 500
500
#7381D8
oklch(63.1% 0.131 275.1)
-
Step 600
600
#5C69C5
oklch(55.6% 0.142 274.8)
-
Step 700
700
#4C57AB
oklch(49.1% 0.133 274.8)
-
Step 800
800
#3E488A
oklch(42.8% 0.109 274.4)
-
Step 900
900 (this color)
#353D6F
oklch(37.9% 0.086 274.7)
-
Step 950
950
#1F2441
oklch(27.1% 0.054 274.8)
#353D6F 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) | #294371 | 0.022 |
| Deuteranopia (no green cones) | #233E6E | 0.023 |
| Tritanopia (no blue cones) | #1E4850 | 0.077 |
| Achromatopsia (no color) | #414141 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #353D6F
#353D6F
oklch(37.9% 0.086 274.7)
- #4F4100
#4F4100
oklch(37.9% 0.078 95.1)
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 #353D6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.043
- Dark Grey Blue #29465B ΔE 0.052
- Marine Blue #01386A ΔE 0.056
- Dark Slate Blue #483D8B ΔE 0.057
- Prussian Blue #1D3557 ΔE 0.059
- Cobalt #1E488F ΔE 0.060
- Light Navy #155084 ΔE 0.063
- Charcoal #264653 ΔE 0.066
Use #353D6F 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.