#354A9E
Closest named color: Blueberry (#464196). oklch(44.1% 0.138 269.4), rgb(53, 74, 158).
Aa
White text reads best on this color (8.00:1).
About this color
#354A9E is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.138 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.032 away. White text reads best on it, at 8.00:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.62:1 |
| White text | 8.00:1 |
Values
| HEX | #354A9E |
| RGB | rgb(53, 74, 158) |
| HSL | hsl(228, 50%, 41%) |
| OKLCH | oklch(44.1% 0.138 269.4) |
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 #354A9E | 8.00:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #354A9E | 2.62:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #354A9E text on white | 8.00:1 | AAA | Lc 87.4 | Fine for body text |
| #354A9E text on black | 2.62:1 | Fails | Lc -14.7 | 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 800.
-
Step 50
50
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFA
oklch(93.6% 0.023 266.9)
-
Step 200
200
#CDD9F8
oklch(88.6% 0.045 268.7)
-
Step 300
300
#ABBFF6
oklch(80.9% 0.081 269)
-
Step 400
400
#809CF1
oklch(70.7% 0.129 269.1)
-
Step 500
500
#6280ED
oklch(63.1% 0.167 269.6)
-
Step 600
600
#4B67DB
oklch(55.6% 0.18 269.5)
-
Step 700
700
#3C55BE
oklch(49.1% 0.167 269.2)
-
Step 800
800 (this color)
#354A9E
oklch(44.1% 0.138 269.4)
-
Step 900
900
#2B3C7A
oklch(37.7% 0.107 269.2)
-
Step 950
950
#192348
oklch(26.9% 0.07 269.8)
#354A9E 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) | #1555A1 | 0.035 |
| Deuteranopia (no green cones) | #004C9C | 0.037 |
| Tritanopia (no blue cones) | #005E6C | 0.116 |
| Achromatopsia (no color) | #505050 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #354A9E
#354A9E
oklch(44.1% 0.138 269.4)
- #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 #354A9E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.032
- Cobalt #1E488F ΔE 0.036
- Dusk Blue #26538D ΔE 0.042
- Dark Slate Blue #483D8B ΔE 0.048
- Twilight #4E518B ΔE 0.053
- Denim Blue #3B5B92 ΔE 0.056
- Light Navy #155084 ΔE 0.056
- Sapphire #2138AB ΔE 0.057
Use #354A9E 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.