#353E68
Closest named color: Dark Grey Blue (#29465B). oklch(37.7% 0.073 273.3), rgb(53, 62, 104).
Aa
White text reads best on this color (10.29:1).
About this color
#353E68 is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.073 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.041 away. White text reads best on it, at 10.29:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.04:1 |
| White text | 10.29:1 |
Values
| HEX | #353E68 |
| RGB | rgb(53, 62, 104) |
| HSL | hsl(229, 32%, 31%) |
| OKLCH | oklch(37.7% 0.073 273.3) |
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 #353E68 | 10.29:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #353E68 | 2.04:1 | Fails | Lc 10.1 | Not readable |
| #353E68 text on white | 10.29:1 | AAA | Lc 93.8 | Preferred for body text |
| #353E68 text on black | 2.04:1 | Fails | Lc -8.7 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D2D8EE
oklch(88.4% 0.031 273.6)
-
Step 300
300
#B5BFE5
oklch(81% 0.055 273.5)
-
Step 400
400
#8F9DD8
oklch(70.7% 0.088 273.7)
-
Step 500
500
#7484CD
oklch(63.2% 0.112 273.4)
-
Step 600
600
#5D6CBA
oklch(55.6% 0.122 273.6)
-
Step 700
700
#4C5AA0
oklch(49% 0.113 273)
-
Step 800
800
#3F4A82
oklch(42.8% 0.094 273.4)
-
Step 900
900 (this color)
#353E68
oklch(37.7% 0.073 273.3)
-
Step 950
950
#1F253D
oklch(27.1% 0.046 272.4)
#353E68 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) | #2E436A | 0.016 |
| Deuteranopia (no green cones) | #2A3E67 | 0.015 |
| Tritanopia (no blue cones) | #22474E | 0.065 |
| Achromatopsia (no color) | #404040 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #353E68
#353E68
oklch(37.7% 0.073 273.3)
- #4F4007
#4F4007
oklch(37.7% 0.073 92.7)
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 #353E68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.041
- Twilight Blue #0A437A ΔE 0.048
- Prussian Blue #1D3557 ΔE 0.053
- Charcoal #264653 ΔE 0.054
- Marine Blue #01386A ΔE 0.056
- Dark Blue Grey #1F3B4D ΔE 0.058
- Light Navy #155084 ΔE 0.066
- Dark Slate Blue #483D8B ΔE 0.068
Use #353E68 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.