#3F6286
Closest named color: Denim (#3B638C). oklch(48.5% 0.071 250.1), rgb(63, 98, 134).
Aa
White text reads best on this color (6.35:1).
About this color
#3F6286 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.071 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.010 away. White text reads best on it, at 6.35:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.30:1 |
| White text | 6.35:1 |
Values
| HEX | #3F6286 |
| RGB | rgb(63, 98, 134) |
| HSL | hsl(210, 36%, 39%) |
| OKLCH | oklch(48.5% 0.071 250.1) |
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 #3F6286 | 6.35:1 | AA | Lc -86.6 | Fine for body text |
| Black text on #3F6286 | 3.30:1 | AA large text | Lc 22.5 | Dividers and decoration only |
| #3F6286 text on white | 6.35:1 | AA | Lc 81.5 | Fine for body text |
| #3F6286 text on black | 3.30:1 | AA large text | Lc -20.4 | 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
#E5EAF0
oklch(93.5% 0.01 252.8)
-
Step 200
200
#D0DAE6
oklch(88.4% 0.02 252.9)
-
Step 300
300
#B0C3D7
oklch(80.9% 0.035 249.6)
-
Step 400
400
#87A4C2
oklch(70.7% 0.055 249.5)
-
Step 500
500
#698DB3
oklch(63.1% 0.07 250.3)
-
Step 600
600
#50779F
oklch(55.7% 0.077 249.9)
-
Step 700
700 (this color)
#3F6286
oklch(48.5% 0.071 250.1)
-
Step 800
800
#35516E
oklch(42.6% 0.059 250.2)
-
Step 900
900
#2F4359
oklch(37.6% 0.046 251.4)
-
Step 950
950
#1C2834
oklch(27.1% 0.028 248.9)
#3F6286 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) | #536388 | 0.026 |
| Deuteranopia (no green cones) | #4A5C85 | 0.021 |
| Tritanopia (no blue cones) | #1A6A6E | 0.061 |
| Achromatopsia (no color) | #5F5F5F | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F6286
#3F6286
oklch(48.5% 0.071 250.1)
- #795830
#795830
oklch(48.6% 0.071 70.1)
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 #3F6286, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.010
- Dusky Blue #475F94 ΔE 0.029
- YInMn Blue #415A77 ΔE 0.030
- Denim Blue #3B5B92 ΔE 0.033
- Light Navy Blue #2E5A88 ΔE 0.033
- Peacock Blue #016795 ΔE 0.041
- Slate #516572 ΔE 0.042
- Dusk #4E5481 ΔE 0.042
Use #3F6286 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.