#363554
Closest named color: Prussian Blue (#1D3557). oklch(34.5% 0.054 284.7), rgb(54, 53, 84).
Aa
White text reads best on this color (11.70:1).
About this color
#363554 is a dark, muted purple. In OKLCH its lightness is 34%, its chroma 0.054 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.036 away. White text reads best on it, at 11.70:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.79:1 |
| White text | 11.70:1 |
Values
| HEX | #363554 |
| RGB | rgb(54, 53, 84) |
| HSL | hsl(242, 23%, 27%) |
| OKLCH | oklch(34.5% 0.054 284.7) |
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 #363554 | 11.70:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #363554 | 1.79:1 | Fails | Lc 0.0 | Not readable |
| #363554 text on white | 11.70:1 | AAA | Lc 96.9 | Preferred for body text |
| #363554 text on black | 1.79:1 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E9E9F2
oklch(93.7% 0.012 286.2)
-
Step 200
200
#D7D7E8
oklch(88.4% 0.023 285.9)
-
Step 300
300
#BDBEDA
oklch(81% 0.039 283.9)
-
Step 400
400
#9C9CC8
oklch(70.8% 0.064 284.7)
-
Step 500
500
#8483BA
oklch(63.2% 0.082 284.6)
-
Step 600
600
#6E6CA6
oklch(55.7% 0.089 284.7)
-
Step 700
700
#5C5A8E
oklch(49.2% 0.082 284.7)
-
Step 800
800
#4B4973
oklch(42.6% 0.069 285.3)
-
Step 900
900 (this color)
#363554
oklch(34.5% 0.054 284.7)
-
Step 950
950
#242437
oklch(26.9% 0.035 283.8)
#363554 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) | #2C3955 | 0.018 |
| Deuteranopia (no green cones) | #2B3753 | 0.018 |
| Tritanopia (no blue cones) | #2E3B40 | 0.048 |
| Achromatopsia (no color) | #383838 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #363554
#363554
oklch(34.5% 0.054 284.7)
- #3D3B17
#3D3B17
oklch(34.5% 0.054 106)
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 #363554, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.036
- Dark Blue Grey #1F3B4D ΔE 0.040
- Gunmetal #293241 ΔE 0.041
- Space Cadet #2B2D42 ΔE 0.043
- Onyx #343A40 ΔE 0.044
- Dark Grey Blue #29465B ΔE 0.053
- Charcoal #264653 ΔE 0.057
- Midnight Green #073B4C ΔE 0.058
Use #363554 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.