#3F5E95
Closest named color: Dusky Blue (#475F94). oklch(48.4% 0.096 261.2), rgb(63, 94, 149).
Aa
White text reads best on this color (6.46:1).
About this color
#3F5E95 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.096 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.011 away. White text reads best on it, at 6.46:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.24:1 |
| White text | 6.46:1 |
Values
| HEX | #3F5E95 |
| RGB | rgb(63, 94, 149) |
| HSL | hsl(218, 41%, 42%) |
| OKLCH | oklch(48.4% 0.096 261.2) |
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 #3F5E95 | 6.46:1 | AA | Lc -87.0 | Fine for body text |
| Black text on #3F5E95 | 3.24:1 | AA large text | Lc 22.1 | Dividers and decoration only |
| #3F5E95 text on white | 6.46:1 | AA | Lc 82.0 | Fine for body text |
| #3F5E95 text on black | 3.24:1 | AA large text | Lc -19.9 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D0DAEB
oklch(88.6% 0.026 261.1)
-
Step 300
300
#B0C2DF
oklch(81% 0.046 259.9)
-
Step 400
400
#87A1D0
oklch(70.7% 0.075 262.1)
-
Step 500
500
#698AC3
oklch(63.2% 0.094 261)
-
Step 600
600
#5073B0
oklch(55.7% 0.104 261)
-
Step 700
700 (this color)
#3F5E95
oklch(48.4% 0.096 261.2)
-
Step 800
800
#364F7B
oklch(42.9% 0.08 261.1)
-
Step 900
900
#2F4163
oklch(37.6% 0.063 262.4)
-
Step 950
950
#1B263A
oklch(26.9% 0.041 261.9)
#3F5E95 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) | #476397 | 0.018 |
| Deuteranopia (no green cones) | #3D5B94 | 0.009 |
| Tritanopia (no blue cones) | #006A72 | 0.086 |
| Achromatopsia (no color) | #5E5E5E | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F5E95
#3F5E95
oklch(48.4% 0.096 261.2)
- #7A580A
#7A580A
oklch(48.4% 0.096 81.3)
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 #3F5E95, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.011
- Denim Blue #3B5B92 ΔE 0.011
- Denim #3B638C ΔE 0.024
- Light Navy Blue #2E5A88 ΔE 0.031
- Twilight #4E518B ΔE 0.039
- Dusk #4E5481 ΔE 0.040
- Peacock Blue #016795 ΔE 0.043
- Dusk Blue #26538D ΔE 0.045
Use #3F5E95 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.