#354A9B
Closest named color: Blueberry (#464196). oklch(43.8% 0.134 269.3), rgb(53, 74, 155).
Aa
White text reads best on this color (8.06:1).
About this color
#354A9B is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.134 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.031 away. White text reads best on it, at 8.06:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.60:1 |
| White text | 8.06:1 |
Values
| HEX | #354A9B |
| RGB | rgb(53, 74, 155) |
| HSL | hsl(228, 49%, 41%) |
| OKLCH | oklch(43.8% 0.134 269.3) |
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 #354A9B | 8.06:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #354A9B | 2.60:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #354A9B text on white | 8.06:1 | AAA | Lc 87.6 | Fine for body text |
| #354A9B text on black | 2.60:1 | Fails | Lc -14.5 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E4EAFA
oklch(93.7% 0.023 269.4)
-
Step 200
200
#CDD9F7
oklch(88.6% 0.043 268.2)
-
Step 300
300
#ACBFF4
oklch(80.9% 0.078 269.3)
-
Step 400
400
#819CEF
oklch(70.7% 0.126 269.3)
-
Step 500
500
#6381EA
oklch(63.1% 0.161 269.4)
-
Step 600
600
#4B68D8
oklch(55.6% 0.175 269.1)
-
Step 700
700
#3D56BB
oklch(49.2% 0.161 269.2)
-
Step 800
800 (this color)
#354A9B
oklch(43.8% 0.134 269.3)
-
Step 900
900
#2C3C78
oklch(37.6% 0.104 269.6)
-
Step 950
950
#192447
oklch(27.1% 0.067 268.5)
#354A9B 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) | #1A559E | 0.034 |
| Deuteranopia (no green cones) | #004C99 | 0.037 |
| Tritanopia (no blue cones) | #005D6B | 0.112 |
| Achromatopsia (no color) | #505050 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #354A9B
#354A9B
oklch(43.8% 0.134 269.3)
- #664F00
#664F00
oklch(43.9% 0.09 89.3)
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 #354A9B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.031
- Cobalt #1E488F ΔE 0.033
- Dusk Blue #26538D ΔE 0.039
- Dark Slate Blue #483D8B ΔE 0.046
- Twilight #4E518B ΔE 0.050
- Light Navy #155084 ΔE 0.052
- Denim Blue #3B5B92 ΔE 0.054
- Sapphire #2138AB ΔE 0.059
Use #354A9B 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.