#364A9D
Closest named color: Blueberry (#464196). oklch(44% 0.137 269.8), rgb(54, 74, 157).
Aa
White text reads best on this color (8.00:1).
About this color
#364A9D is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.137 and its hue 270°. 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 8.00:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.137) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.62:1 |
| White text | 8.00:1 |
Values
| HEX | #364A9D |
| RGB | rgb(54, 74, 157) |
| HSL | hsl(228, 49%, 41%) |
| OKLCH | oklch(44% 0.137 269.8) |
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 #364A9D | 8.00:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #364A9D | 2.62:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #364A9D text on white | 8.00:1 | AAA | Lc 87.4 | Fine for body text |
| #364A9D 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
#E4EAFA
oklch(93.7% 0.023 269.4)
-
Step 200
200
#CDD8F7
oklch(88.4% 0.044 270)
-
Step 300
300
#ACBFF5
oklch(80.9% 0.079 269.5)
-
Step 400
400
#819CF0
oklch(70.7% 0.127 269.4)
-
Step 500
500
#6380EB
oklch(63% 0.164 269.8)
-
Step 600
600
#4C67DA
oklch(55.6% 0.178 269.8)
-
Step 700
700
#3E55BD
oklch(49.2% 0.165 269.9)
-
Step 800
800 (this color)
#364A9D
oklch(44% 0.137 269.8)
-
Step 900
900
#2C3C79
oklch(37.7% 0.105 269.7)
-
Step 950
950
#1A2347
oklch(26.9% 0.068 270.7)
#364A9D 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) | #1755A0 | 0.036 |
| Deuteranopia (no green cones) | #004C9B | 0.038 |
| Tritanopia (no blue cones) | #005D6C | 0.114 |
| Achromatopsia (no color) | #505050 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #364A9D
#364A9D
oklch(44% 0.137 269.8)
- #665000
#665000
oklch(44.1% 0.09 90.4)
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 #364A9D, 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 0.036
- Dusk Blue #26538D ΔE 0.041
- Dark Slate Blue #483D8B ΔE 0.047
- Twilight #4E518B ΔE 0.051
- Denim Blue #3B5B92 ΔE 0.055
- Light Navy #155084 ΔE 0.056
- Sapphire #2138AB ΔE 0.058
Use #364A9D 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.