#363769
Closest named color: Prussian Blue (#1D3557). oklch(36.2% 0.085 280.4), rgb(54, 55, 105).
Aa
White text reads best on this color (11.01:1).
About this color
#363769 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.085 and its hue 280°. 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 11.01:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.90:1 |
| White text | 11.01:1 |
Values
| HEX | #363769 |
| RGB | rgb(54, 55, 105) |
| HSL | hsl(239, 32%, 31%) |
| OKLCH | oklch(36.2% 0.085 280.4) |
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 #363769 | 11.01:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #363769 | 1.90:1 | Fails | Lc 8.5 | Not readable |
| #363769 text on white | 11.01:1 | AAA | Lc 95.4 | Preferred for body text |
| #363769 text on black | 1.90:1 | Fails | Lc -7.3 | 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
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D4D7F1
oklch(88.5% 0.036 280.4)
-
Step 300
300
#B8BDEA
oklch(81% 0.064 279.9)
-
Step 400
400
#9499DF
oklch(70.6% 0.102 280.3)
-
Step 500
500
#7B7FD6
oklch(63.1% 0.13 280)
-
Step 600
600
#6566C3
oklch(55.5% 0.141 280.3)
-
Step 700
700
#5454A9
oklch(49% 0.133 280.3)
-
Step 800
800
#454689
oklch(42.8% 0.109 280.1)
-
Step 900
900 (this color)
#363769
oklch(36.2% 0.085 280.4)
-
Step 950
950
#222340
oklch(27.1% 0.053 280.7)
#363769 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) | #233E6B | 0.030 |
| Deuteranopia (no green cones) | #203A68 | 0.030 |
| Tritanopia (no blue cones) | #25414B | 0.072 |
| Achromatopsia (no color) | #3C3C3C | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #363769
#363769
oklch(36.2% 0.085 280.4)
- #473E00
#473E00
oklch(36.2% 0.075 100.1)
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 #363769, 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 0.055
- Dark Grey Blue #29465B ΔE 0.059
- Dark Blue Grey #1F3B4D ΔE 0.064
- Dark Slate Blue #483D8B ΔE 0.066
- Marine #042E60 ΔE 0.069
- Charcoal #264653 ΔE 0.070
Use #363769 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.