#366187
Closest named color: Denim (#3B638C). oklch(47.9% 0.078 246.9), rgb(54, 97, 135).
Aa
White text reads best on this color (6.52:1).
About this color
#366187 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.078 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.011 away. White text reads best on it, at 6.52:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.21:1 |
| White text | 6.52:1 |
Values
| HEX | #366187 |
| RGB | rgb(54, 97, 135) |
| HSL | hsl(208, 43%, 37%) |
| OKLCH | oklch(47.9% 0.078 246.9) |
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 #366187 | 6.52:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #366187 | 3.21:1 | AA large text | Lc 21.8 | Dividers and decoration only |
| #366187 text on white | 6.52:1 | AA | Lc 82.2 | Fine for body text |
| #366187 text on black | 3.21:1 | AA large text | Lc -19.7 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CEDBE7
oklch(88.5% 0.022 245.9)
-
Step 300
300
#AEC4D8
oklch(81% 0.037 245.7)
-
Step 400
400
#82A5C5
oklch(70.7% 0.061 246.4)
-
Step 500
500
#628EB6
oklch(63.1% 0.077 246.8)
-
Step 600
600
#4878A2
oklch(55.7% 0.084 246.4)
-
Step 700
700 (this color)
#366187
oklch(47.9% 0.078 246.9)
-
Step 800
800
#305271
oklch(42.7% 0.065 247.4)
-
Step 900
900
#2B445B
oklch(37.7% 0.05 247.3)
-
Step 950
950
#192835
oklch(27% 0.032 245.5)
#366187 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) | #516289 | 0.033 |
| Deuteranopia (no green cones) | #465A86 | 0.025 |
| Tritanopia (no blue cones) | #006A6E | 0.064 |
| Achromatopsia (no color) | #5E5E5E | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #366187
#366187
oklch(47.9% 0.078 246.9)
- #7B5429
#7B5429
oklch(47.9% 0.078 66.6)
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 #366187, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.011
- Light Navy Blue #2E5A88 ΔE 0.024
- Denim Blue #3B5B92 ΔE 0.029
- YInMn Blue #415A77 ΔE 0.030
- Dusky Blue #475F94 ΔE 0.031
- Peacock Blue #016795 ΔE 0.034
- Dusk #4E5481 ΔE 0.044
- Dusty Grape #545775 ΔE 0.047
Use #366187 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.