#3F5885
Closest named color: Light Navy Blue (#2E5A88). oklch(46.1% 0.08 261.6), rgb(63, 88, 133).
Aa
White text reads best on this color (7.12:1).
About this color
#3F5885 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.080 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.018 away. White text reads best on it, at 7.12:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.94:1 |
| White text | 7.12:1 |
Values
| HEX | #3F5885 |
| RGB | rgb(63, 88, 133) |
| HSL | hsl(219, 36%, 38%) |
| OKLCH | oklch(46.1% 0.08 261.6) |
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 #3F5885 | 7.12:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #3F5885 | 2.94:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #3F5885 text on white | 7.12:1 | AAA | Lc 84.6 | Fine for body text |
| #3F5885 text on black | 2.94:1 | Fails | Lc -17.4 | 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
#F3F5F9
oklch(97% 0.006 264.5)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D1DAE8
oklch(88.6% 0.022 259.2)
-
Step 300
300
#B3C1DA
oklch(80.8% 0.039 262.1)
-
Step 400
400
#8BA1C8
oklch(70.6% 0.063 261.8)
-
Step 500
500
#6F8ABA
oklch(63.2% 0.079 261.6)
-
Step 600
600
#5773A6
oklch(55.6% 0.086 261.9)
-
Step 700
700 (this color)
#3F5885
oklch(46.1% 0.08 261.6)
-
Step 800
800
#3B4F73
oklch(42.7% 0.065 261.7)
-
Step 900
900
#32425D
oklch(37.8% 0.051 260.6)
-
Step 950
950
#1E2737
oklch(27.2% 0.033 261.7)
#3F5885 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) | #475B87 | 0.015 |
| Deuteranopia (no green cones) | #3E5584 | 0.009 |
| Tritanopia (no blue cones) | #1E6268 | 0.072 |
| Achromatopsia (no color) | #585858 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F5885
#3F5885
oklch(46.1% 0.08 261.6)
- #6F531C
#6F531C
oklch(46.1% 0.08 81)
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 #3F5885, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.018
- Denim Blue #3B5B92 ΔE 0.021
- Dusk #4E5481 ΔE 0.022
- YInMn Blue #415A77 ΔE 0.026
- Twilight #4E518B ΔE 0.031
- Dusky Blue #475F94 ΔE 0.032
- Denim #3B638C ΔE 0.032
- Dusk Blue #26538D ΔE 0.036
Use #3F5885 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.