#3D5398
Closest named color: Denim Blue (#3B5B92). oklch(46% 0.115 268.3), rgb(61, 83, 152).
Aa
White text reads best on this color (7.26:1).
About this color
#3D5398 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.115 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.026 away. White text reads best on it, at 7.26:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 2.88:1 |
| White text | 7.26:1 |
Values
| HEX | #3D5398 |
| RGB | rgb(61, 83, 152) |
| HSL | hsl(225, 43%, 42%) |
| OKLCH | oklch(46% 0.115 268.3) |
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 #3D5398 | 7.26:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #3D5398 | 2.88:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #3D5398 text on white | 7.26:1 | AAA | Lc 85.0 | Fine for body text |
| #3D5398 text on black | 2.88:1 | Fails | Lc -17.0 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D0D9EE
oklch(88.5% 0.031 267.2)
-
Step 300
300
#B1C0E6
oklch(80.9% 0.056 268.2)
-
Step 400
400
#899FD9
oklch(70.8% 0.089 268.1)
-
Step 500
500
#6C86CF
oklch(63.1% 0.114 268.2)
-
Step 600
600
#556EBC
oklch(55.6% 0.125 268.7)
-
Step 700
700 (this color)
#3D5398
oklch(46% 0.115 268.3)
-
Step 800
800
#394B83
oklch(42.6% 0.096 268.7)
-
Step 900
900
#313F69
oklch(37.7% 0.074 268.7)
-
Step 950
950
#1D253E
oklch(27% 0.048 269.5)
#3D5398 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) | #345B9B | 0.023 |
| Deuteranopia (no green cones) | #275397 | 0.024 |
| Tritanopia (no blue cones) | #00626E | 0.101 |
| Achromatopsia (no color) | #575757 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D5398
#3D5398
oklch(46% 0.115 268.3)
- #6E5400
#6E5400
oklch(46% 0.094 87.8)
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 #3D5398, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.026
- Twilight #4E518B ΔE 0.030
- Dusk Blue #26538D ΔE 0.032
- Light Navy Blue #2E5A88 ΔE 0.039
- Dusky Blue #475F94 ΔE 0.040
- Dusk #4E5481 ΔE 0.044
- Blueberry #464196 ΔE 0.047
- Cobalt #1E488F ΔE 0.051
Use #3D5398 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.