#364F9A
Closest named color: Dusk Blue (#26538D). oklch(44.9% 0.126 267.3), rgb(54, 79, 154).
Aa
White text reads best on this color (7.65:1).
About this color
#364F9A is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.126 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.030 away. White text reads best on it, at 7.65:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.74:1 |
| White text | 7.65:1 |
Values
| HEX | #364F9A |
| RGB | rgb(54, 79, 154) |
| HSL | hsl(225, 48%, 41%) |
| OKLCH | oklch(44.9% 0.126 267.3) |
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 #364F9A | 7.65:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #364F9A | 2.74:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #364F9A text on white | 7.65:1 | AAA | Lc 86.3 | Fine for body text |
| #364F9A text on black | 2.74:1 | Fails | Lc -15.7 | Dividers and decoration only |
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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200
#CDD9F5
oklch(88.5% 0.041 267.1)
-
Step 300
300
#ACC0F1
oklch(81% 0.073 267.4)
-
Step 400
400
#809EEA
oklch(70.8% 0.117 267)
-
Step 500
500
#6183E4
oklch(63% 0.151 267.4)
-
Step 600
600
#496BD2
oklch(55.7% 0.163 267.2)
-
Step 700
700
#3B58B6
oklch(49.1% 0.153 267.6)
-
Step 800
800 (this color)
#364F9A
oklch(44.9% 0.126 267.3)
-
Step 900
900
#2A3E75
oklch(37.8% 0.097 266.7)
-
Step 950
950
#192445
oklch(26.9% 0.063 268.1)
#364F9A 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) | #29589D | 0.026 |
| Deuteranopia (no green cones) | #144F98 | 0.030 |
| Tritanopia (no blue cones) | #00606D | 0.105 |
| Achromatopsia (no color) | #535353 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #364F9A
#364F9A
oklch(44.9% 0.126 267.3)
- #6B5100
#6B5100
oklch(45% 0.092 87.1)
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 #364F9A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.030
- Cobalt #1E488F ΔE 0.038
- Blueberry #464196 ΔE 0.040
- Denim Blue #3B5B92 ΔE 0.040
- Twilight #4E518B ΔE 0.041
- Light Navy Blue #2E5A88 ΔE 0.048
- Light Navy #155084 ΔE 0.049
- Dark Slate Blue #483D8B ΔE 0.053
Use #364F9A 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.