#363669
Closest named color: Prussian Blue (#1D3557). oklch(36% 0.087 281.1), rgb(54, 54, 105).
Aa
White text reads best on this color (11.11:1).
About this color
#363669 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.087 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.049 away. White text reads best on it, at 11.11:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.88:1 |
| White text | 11.11:1 |
Values
| HEX | #363669 |
| RGB | rgb(54, 54, 105) |
| HSL | hsl(240, 32%, 31%) |
| OKLCH | oklch(36% 0.087 281.1) |
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 #363669 | 11.11:1 | AAA | Lc -99.4 | Preferred for body text |
| Black text on #363669 | 1.88:1 | Fails | Lc 8.3 | Not readable |
| #363669 text on white | 11.11:1 | AAA | Lc 95.6 | Preferred for body text |
| #363669 text on black | 1.88:1 | Fails | Lc 0.0 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F7
oklch(93.7% 0.019 279.5)
-
Step 200
200
#D4D7F1
oklch(88.5% 0.036 280.4)
-
Step 300
300
#B9BCEA
oklch(80.8% 0.065 281.9)
-
Step 400
400
#9599E0
oklch(70.7% 0.103 280.9)
-
Step 500
500
#7C7ED7
oklch(63.1% 0.132 280.9)
-
Step 600
600
#6765C5
oklch(55.6% 0.145 281.5)
-
Step 700
700
#5554AA
oklch(49.1% 0.134 280.8)
-
Step 800
800
#46458A
oklch(42.8% 0.112 281.2)
-
Step 900
900 (this color)
#363669
oklch(36% 0.087 281.1)
-
Step 950
950
#222340
oklch(27.1% 0.053 280.7)
#363669 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) | #213D6B | 0.032 |
| Deuteranopia (no green cones) | #1E3A68 | 0.033 |
| Tritanopia (no blue cones) | #25414A | 0.076 |
| Achromatopsia (no color) | #3B3B3B | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #363669
#363669
oklch(36% 0.087 281.1)
- #463E00
#463E00
oklch(36.1% 0.075 101.2)
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 #363669, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.049
- Marine Blue #01386A ΔE 0.053
- Twilight Blue #0A437A ΔE 0.056
- Dark Grey Blue #29465B ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.065
- Dark Slate Blue #483D8B ΔE 0.067
- Marine #042E60 ΔE 0.068
- Charcoal #264653 ΔE 0.073
Use #363669 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.