#3F6482
Closest named color: Denim (#3B638C). oklch(48.8% 0.064 244.1), rgb(63, 100, 130).
Aa
White text reads best on this color (6.25:1).
About this color
#3F6482 is a medium-dark, muted blue. In OKLCH its lightness is 49%, its chroma 0.064 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.018 away. White text reads best on it, at 6.25:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.35:1 |
| White text | 6.25:1 |
Values
| HEX | #3F6482 |
| RGB | rgb(63, 100, 130) |
| HSL | hsl(207, 35%, 38%) |
| OKLCH | oklch(48.8% 0.064 244.1) |
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 #3F6482 | 6.25:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #3F6482 | 3.35:1 | AA large text | Lc 23.0 | Dividers and decoration only |
| #3F6482 text on white | 6.25:1 | AA | Lc 81.1 | Fine for body text |
| #3F6482 text on black | 3.35:1 | AA large text | Lc -20.8 | 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
#E5EBF0
oklch(93.7% 0.009 242.8)
-
Step 200
200
#D0DBE4
oklch(88.6% 0.017 242.5)
-
Step 300
300
#B0C3D4
oklch(80.8% 0.032 245.2)
-
Step 400
400
#87A5BE
oklch(70.8% 0.05 243.7)
-
Step 500
500
#688EAE
oklch(63.1% 0.064 244.5)
-
Step 600
600
#4F7899
oklch(55.6% 0.069 243.7)
-
Step 700
700 (this color)
#3F6482
oklch(48.8% 0.064 244.1)
-
Step 800
800
#35526A
oklch(42.6% 0.053 244.5)
-
Step 900
900
#2E4456
oklch(37.6% 0.041 243.9)
-
Step 950
950
#1B2832
oklch(27% 0.026 242)
#3F6482 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) | #576483 | 0.031 |
| Deuteranopia (no green cones) | #4E5D81 | 0.026 |
| Tritanopia (no blue cones) | #1E6B6E | 0.053 |
| Achromatopsia (no color) | #606060 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F6482
#3F6482
oklch(48.8% 0.064 244.1)
- #7A5838
#7A5838
oklch(48.9% 0.065 63.6)
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 #3F6482, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.018
- YInMn Blue #415A77 ΔE 0.031
- Slate #516572 ΔE 0.034
- Dusky Blue #475F94 ΔE 0.038
- Light Navy Blue #2E5A88 ΔE 0.040
- Denim Blue #3B5B92 ΔE 0.043
- Dusty Grape #545775 ΔE 0.044
- Peacock Blue #016795 ΔE 0.044
Use #3F6482 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.