#3E5587
Closest named color: Light Navy Blue (#2E5A88). oklch(45.5% 0.087 264.5), rgb(62, 85, 135).
Aa
White text reads best on this color (7.35:1).
About this color
#3E5587 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.087 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.021 away. White text reads best on it, at 7.35:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.85:1 |
| White text | 7.35:1 |
Values
| HEX | #3E5587 |
| RGB | rgb(62, 85, 135) |
| HSL | hsl(221, 37%, 39%) |
| OKLCH | oklch(45.5% 0.087 264.5) |
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 #3E5587 | 7.35:1 | AAA | Lc -90.3 | Preferred for body text |
| Black text on #3E5587 | 2.85:1 | Fails | Lc 18.6 | Dividers and decoration only |
| #3E5587 text on white | 7.35:1 | AAA | Lc 85.4 | Fine for body text |
| #3E5587 text on black | 2.85:1 | Fails | Lc -16.6 | 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
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D0D9EC
oklch(88.4% 0.028 265.4)
-
Step 300
300
#B0C1E2
oklch(80.9% 0.05 263.7)
-
Step 400
400
#87A0D4
oklch(70.6% 0.082 264.5)
-
Step 500
500
#6A88C9
oklch(63.1% 0.104 264.7)
-
Step 600
600
#5271B5
oklch(55.6% 0.112 264.5)
-
Step 700
700
#425E9C
oklch(49% 0.105 264.5)
-
Step 800
800 (this color)
#3E5587
oklch(45.5% 0.087 264.5)
-
Step 900
900
#2F4166
oklch(37.8% 0.068 263.7)
-
Step 950
950
#1C263C
oklch(27.1% 0.044 265)
#3E5587 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) | #415989 | 0.013 |
| Deuteranopia (no green cones) | #395386 | 0.009 |
| Tritanopia (no blue cones) | #1A6067 | 0.079 |
| Achromatopsia (no color) | #565656 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E5587
#3E5587
oklch(45.5% 0.087 264.5)
- #6D520F
#6D520F
oklch(45.5% 0.087 84.6)
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 #3E5587, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.021
- Denim Blue #3B5B92 ΔE 0.022
- Dusk #4E5481 ΔE 0.023
- Twilight #4E518B ΔE 0.025
- Dusk Blue #26538D ΔE 0.029
- YInMn Blue #415A77 ΔE 0.034
- Dusky Blue #475F94 ΔE 0.036
- Denim #3B638C ΔE 0.040
Use #3E5587 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.