#3F5596
Closest named color: Denim Blue (#3B5B92). oklch(46.5% 0.109 267.9), rgb(63, 85, 150).
Aa
White text reads best on this color (7.11:1).
About this color
#3F5596 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.109 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.020 away. White text reads best on it, at 7.11:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 2.95:1 |
| White text | 7.11:1 |
Values
| HEX | #3F5596 |
| RGB | rgb(63, 85, 150) |
| HSL | hsl(225, 41%, 42%) |
| OKLCH | oklch(46.5% 0.109 267.9) |
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 #3F5596 | 7.11:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #3F5596 | 2.95:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #3F5596 text on white | 7.11:1 | AAA | Lc 84.5 | Fine for body text |
| #3F5596 text on black | 2.95:1 | Fails | Lc -17.5 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D1D9ED
oklch(88.5% 0.029 268.3)
-
Step 300
300
#B2C0E4
oklch(80.9% 0.053 268.5)
-
Step 400
400
#8A9FD6
oklch(70.7% 0.084 268.1)
-
Step 500
500
#6D86CB
oklch(63% 0.108 268.1)
-
Step 600
600
#566FB8
oklch(55.6% 0.117 268.2)
-
Step 700
700 (this color)
#3F5596
oklch(46.5% 0.109 267.9)
-
Step 800
800
#3A4C80
oklch(42.7% 0.089 268.1)
-
Step 900
900
#314067
oklch(37.8% 0.07 267.1)
-
Step 950
950
#1D253C
oklch(26.9% 0.045 268.7)
#3F5596 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) | #395C99 | 0.020 |
| Deuteranopia (no green cones) | #2E5495 | 0.020 |
| Tritanopia (no blue cones) | #03636E | 0.097 |
| Achromatopsia (no color) | #585858 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F5596
#3F5596
oklch(46.5% 0.109 267.9)
- #6F5500
#6F5500
oklch(46.4% 0.095 88)
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 #3F5596, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.020
- Twilight #4E518B ΔE 0.026
- Dusk Blue #26538D ΔE 0.033
- Dusky Blue #475F94 ΔE 0.033
- Light Navy Blue #2E5A88 ΔE 0.035
- Dusk #4E5481 ΔE 0.039
- Denim #3B638C ΔE 0.047
- Blueberry #464196 ΔE 0.053
Use #3F5596 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.