#353A76
Closest named color: Twilight Blue (#0A437A). oklch(37.7% 0.101 276.8), rgb(53, 58, 118).
Aa
White text reads best on this color (10.40:1).
About this color
#353A76 is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.101 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.044 away. White text reads best on it, at 10.40:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.01:1 |
| White text | 10.40:1 |
Values
| HEX | #353A76 |
| RGB | rgb(53, 58, 118) |
| HSL | hsl(235, 38%, 34%) |
| OKLCH | oklch(37.7% 0.101 276.8) |
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 #353A76 | 10.40:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #353A76 | 2.01:1 | Fails | Lc 10.0 | Not readable |
| #353A76 text on white | 10.40:1 | AAA | Lc 94.0 | Preferred for body text |
| #353A76 text on black | 2.01:1 | Fails | Lc -8.6 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D1D7F6
oklch(88.4% 0.043 276.8)
-
Step 300
300
#B3BDF2
oklch(80.9% 0.076 276.3)
-
Step 400
400
#8D99EB
oklch(70.7% 0.121 276.5)
-
Step 500
500
#737DE5
oklch(63% 0.155 276.8)
-
Step 600
600
#5D64D3
oklch(55.6% 0.168 276.7)
-
Step 700
700
#4D52B7
oklch(49.1% 0.157 276.8)
-
Step 800
800
#3F4494
oklch(42.7% 0.129 276.7)
-
Step 900
900 (this color)
#353A76
oklch(37.7% 0.101 276.8)
-
Step 950
950
#1F2245
oklch(26.9% 0.064 277.4)
#353A76 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) | #1E4378 | 0.034 |
| Deuteranopia (no green cones) | #163D75 | 0.036 |
| Tritanopia (no blue cones) | #184752 | 0.089 |
| Achromatopsia (no color) | #404040 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #353A76
#353A76
oklch(37.7% 0.101 276.8)
- #4D4100
#4D4100
oklch(37.6% 0.078 97.3)
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 #353A76, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.044
- Dark Slate Blue #483D8B ΔE 0.048
- Cobalt #1E488F ΔE 0.056
- Marine Blue #01386A ΔE 0.057
- Blueberry #464196 ΔE 0.062
- Prussian Blue #1D3557 ΔE 0.066
- Light Navy #155084 ΔE 0.066
- Dark Grey Blue #29465B ΔE 0.067
Use #353A76 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.