#366386
Closest named color: Denim (#3B638C). oklch(48.3% 0.075 243.7), rgb(54, 99, 134).
Aa
White text reads best on this color (6.39:1).
About this color
#366386 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.075 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.012 away. White text reads best on it, at 6.39:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.28:1 |
| White text | 6.39:1 |
Values
| HEX | #366386 |
| RGB | rgb(54, 99, 134) |
| HSL | hsl(206, 43%, 37%) |
| OKLCH | oklch(48.3% 0.075 243.7) |
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 #366386 | 6.39:1 | AA | Lc -86.7 | Fine for body text |
| Black text on #366386 | 3.28:1 | AA large text | Lc 22.4 | Dividers and decoration only |
| #366386 text on white | 6.39:1 | AA | Lc 81.6 | Fine for body text |
| #366386 text on black | 3.28:1 | AA large text | Lc -20.3 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CEDBE6
oklch(88.5% 0.021 243.4)
-
Step 300
300
#ADC4D7
oklch(80.9% 0.037 243.1)
-
Step 400
400
#82A5C3
oklch(70.7% 0.059 244.6)
-
Step 500
500
#618FB4
oklch(63.2% 0.075 243.6)
-
Step 600
600
#47789F
oklch(55.5% 0.081 244)
-
Step 700
700 (this color)
#366386
oklch(48.3% 0.075 243.7)
-
Step 800
800
#2F536F
oklch(42.8% 0.063 243.5)
-
Step 900
900
#2A455A
oklch(37.8% 0.049 243)
-
Step 950
950
#192834
oklch(26.9% 0.03 243.3)
#366386 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) | #546388 | 0.036 |
| Deuteranopia (no green cones) | #495B85 | 0.030 |
| Tritanopia (no blue cones) | #006B6F | 0.060 |
| Achromatopsia (no color) | #5F5F5F | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #366386
#366386
oklch(48.3% 0.075 243.7)
- #7C552E
#7C552E
oklch(48.3% 0.075 64.4)
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 #366386, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.012
- Light Navy Blue #2E5A88 ΔE 0.031
- YInMn Blue #415A77 ΔE 0.032
- Peacock Blue #016795 ΔE 0.034
- Dusky Blue #475F94 ΔE 0.034
- Denim Blue #3B5B92 ΔE 0.035
- Slate #516572 ΔE 0.046
- Dusk #4E5481 ΔE 0.049
Use #366386 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.