#36386D
Closest named color: Twilight Blue (#0A437A). oklch(36.7% 0.09 279.4), rgb(54, 56, 109).
Aa
White text reads best on this color (10.80:1).
About this color
#36386D is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.090 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.051 away. White text reads best on it, at 10.80:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 1.94:1 |
| White text | 10.80:1 |
Values
| HEX | #36386D |
| RGB | rgb(54, 56, 109) |
| HSL | hsl(238, 34%, 32%) |
| OKLCH | oklch(36.7% 0.09 279.4) |
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 #36386D | 10.80:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #36386D | 1.94:1 | Fails | Lc 9.0 | Not readable |
| #36386D text on white | 10.80:1 | AAA | Lc 94.9 | Preferred for body text |
| #36386D text on black | 1.94:1 | Fails | Lc -7.7 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E9F7
oklch(93.7% 0.019 279.5)
-
Step 200
200
#D3D7F2
oklch(88.4% 0.037 278.9)
-
Step 300
300
#B7BDEC
oklch(81% 0.067 279.1)
-
Step 400
400
#9399E3
oklch(70.7% 0.108 279.7)
-
Step 500
500
#797EDB
oklch(63.1% 0.138 279.3)
-
Step 600
600
#6366C8
oklch(55.7% 0.149 279.1)
-
Step 700
700
#5354AD
oklch(49.2% 0.139 279.5)
-
Step 800
800
#43458C
oklch(42.7% 0.115 279.1)
-
Step 900
900 (this color)
#36386D
oklch(36.7% 0.09 279.4)
-
Step 950
950
#212342
oklch(27.1% 0.057 279.1)
#36386D 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) | #22406F | 0.032 |
| Deuteranopia (no green cones) | #1E3B6C | 0.032 |
| Tritanopia (no blue cones) | #22434D | 0.078 |
| Achromatopsia (no color) | #3D3D3D | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #36386D
#36386D
oklch(36.7% 0.09 279.4)
- #493F00
#493F00
oklch(36.7% 0.076 99.1)
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 #36386D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.051
- Marine Blue #01386A ΔE 0.054
- Prussian Blue #1D3557 ΔE 0.054
- Dark Slate Blue #483D8B ΔE 0.060
- Dark Grey Blue #29465B ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.069
- Cobalt #1E488F ΔE 0.069
- Marine #042E60 ΔE 0.072
Use #36386D 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.