#353A72
Closest named color: Twilight Blue (#0A437A). oklch(37.4% 0.095 276.9), rgb(53, 58, 114).
Aa
White text reads best on this color (10.50:1).
About this color
#353A72 is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.095 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.045 away. White text reads best on it, at 10.50:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 1.99:1 |
| White text | 10.50:1 |
Values
| HEX | #353A72 |
| RGB | rgb(53, 58, 114) |
| HSL | hsl(235, 37%, 33%) |
| OKLCH | oklch(37.4% 0.095 276.9) |
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 #353A72 | 10.50:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #353A72 | 1.99:1 | Fails | Lc 9.7 | Not readable |
| #353A72 text on white | 10.50:1 | AAA | Lc 94.2 | Preferred for body text |
| #353A72 text on black | 1.99:1 | Fails | Lc -8.4 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F8
oklch(93.6% 0.02 276.9)
-
Step 200
200
#D2D7F4
oklch(88.4% 0.04 277.8)
-
Step 300
300
#B4BDEF
oklch(80.9% 0.071 276.7)
-
Step 400
400
#8F9AE7
oklch(70.8% 0.113 276.9)
-
Step 500
500
#747EE0
oklch(63% 0.146 276.9)
-
Step 600
600
#5E66CD
oklch(55.6% 0.157 276.7)
-
Step 700
700
#4E54B2
oklch(49.2% 0.147 276.8)
-
Step 800
800
#404590
oklch(42.7% 0.122 277.1)
-
Step 900
900 (this color)
#353A72
oklch(37.4% 0.095 276.9)
-
Step 950
950
#1F2343
oklch(27% 0.059 276.3)
#353A72 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) | #214274 | 0.031 |
| Deuteranopia (no green cones) | #1B3D71 | 0.032 |
| Tritanopia (no blue cones) | #1C4650 | 0.083 |
| Achromatopsia (no color) | #3F3F3F | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #353A72
#353A72
oklch(37.4% 0.095 276.9)
- #4C4000
#4C4000
oklch(37.3% 0.077 97.1)
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 #353A72, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.045
- Dark Slate Blue #483D8B ΔE 0.053
- Marine Blue #01386A ΔE 0.055
- Cobalt #1E488F ΔE 0.060
- Prussian Blue #1D3557 ΔE 0.060
- Dark Grey Blue #29465B ΔE 0.062
- Light Navy #155084 ΔE 0.068
- Blueberry #464196 ΔE 0.068
Use #353A72 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.