#36357C
Closest named color: Dark Slate Blue (#483D8B). oklch(37.2% 0.117 279.7), rgb(54, 53, 124).
Aa
White text reads best on this color (10.72:1).
About this color
#36357C is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.117 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.045 away. White text reads best on it, at 10.72:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.95:1 |
| White text | 10.72:1 |
Values
| HEX | #36357C |
| RGB | rgb(54, 53, 124) |
| HSL | hsl(241, 40%, 35%) |
| OKLCH | oklch(37.2% 0.117 279.7) |
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 #36357C | 10.72:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #36357C | 1.95:1 | Fails | Lc 9.3 | Not readable |
| #36357C text on white | 10.72:1 | AAA | Lc 94.6 | Preferred for body text |
| #36357C text on black | 1.95:1 | Fails | Lc -8.0 | 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
#F4F5FE
oklch(97.2% 0.012 281.1)
-
Step 100
100
#E6E8FB
oklch(93.5% 0.026 281.1)
-
Step 200
200
#D2D6FA
oklch(88.4% 0.05 280.3)
-
Step 300
300
#B5BBF9
oklch(80.9% 0.088 279.9)
-
Step 400
400
#9095F6
oklch(70.7% 0.141 279.9)
-
Step 500
500
#7777F2
oklch(63% 0.18 279.9)
-
Step 600
600
#625CE1
oklch(55.5% 0.196 279.9)
-
Step 700
700
#514BC4
oklch(49.1% 0.183 279.5)
-
Step 800
800
#423E9E
oklch(42.6% 0.151 279.7)
-
Step 900
900 (this color)
#36357C
oklch(37.2% 0.117 279.7)
-
Step 950
950
#20214A
oklch(27.1% 0.074 279.2)
#36357C 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) | #06417E | 0.051 |
| Deuteranopia (no green cones) | #003B7B | 0.051 |
| Tritanopia (no blue cones) | #154553 | 0.101 |
| Achromatopsia (no color) | #3E3E3E | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #36357C
#36357C
oklch(37.2% 0.117 279.7)
- #4A4100
#4A4100
oklch(37.3% 0.078 100.4)
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 #36357C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.045
- Twilight Blue #0A437A ΔE 0.054
- Blueberry #464196 ΔE 0.059
- Cobalt #1E488F ΔE 0.060
- Marine Blue #01386A ΔE 0.063
- Prussian Blue #1D3557 ΔE 0.075
- Light Navy #155084 ΔE 0.077
- Marine #042E60 ΔE 0.081
Use #36357C 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.