#3D5583
Closest named color: Light Navy Blue (#2E5A88). oklch(45.2% 0.081 262.6), rgb(61, 85, 131).
Aa
White text reads best on this color (7.43:1).
About this color
#3D5583 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.081 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.020 away. White text reads best on it, at 7.43:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.82:1 |
| White text | 7.43:1 |
Values
| HEX | #3D5583 |
| RGB | rgb(61, 85, 131) |
| HSL | hsl(219, 36%, 38%) |
| OKLCH | oklch(45.2% 0.081 262.6) |
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 #3D5583 | 7.43:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #3D5583 | 2.82:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #3D5583 text on white | 7.43:1 | AAA | Lc 85.7 | Fine for body text |
| #3D5583 text on black | 2.82:1 | Fails | Lc -16.3 | 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 800.
-
Step 50
50
#F3F5FA
oklch(97% 0.007 268.5)
-
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
#B0C1E0
oklch(80.8% 0.048 262.5)
-
Step 400
400
#87A1D1
oklch(70.7% 0.077 262.4)
-
Step 500
500
#6A89C5
oklch(63.1% 0.098 263)
-
Step 600
600
#5172B1
oklch(55.6% 0.106 262.5)
-
Step 700
700
#425F98
oklch(49% 0.098 262.8)
-
Step 800
800 (this color)
#3D5583
oklch(45.2% 0.081 262.6)
-
Step 900
900
#2F4163
oklch(37.6% 0.063 262.4)
-
Step 950
950
#1C263A
oklch(26.9% 0.04 263.6)
#3D5583 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) | #435985 | 0.015 |
| Deuteranopia (no green cones) | #3B5282 | 0.010 |
| Tritanopia (no blue cones) | #1B5F66 | 0.072 |
| Achromatopsia (no color) | #555555 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D5583
#3D5583
oklch(45.2% 0.081 262.6)
- #6C5117
#6C5117
oklch(45.2% 0.081 82.6)
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 #3D5583, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.020
- Dusk #4E5481 ΔE 0.023
- Denim Blue #3B5B92 ΔE 0.027
- YInMn Blue #415A77 ΔE 0.029
- Twilight #4E518B ΔE 0.030
- Dusk Blue #26538D ΔE 0.031
- Dusky Blue #475F94 ΔE 0.040
- Dusty Grape #545775 ΔE 0.040
Use #3D5583 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.