#3D5589
Closest named color: Denim Blue (#3B5B92). oklch(45.5% 0.09 264.3), rgb(61, 85, 137).
Aa
White text reads best on this color (7.34:1).
About this color
#3D5589 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.090 and its hue 264°. 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 7.34:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 2.85:1 |
| White text | 7.34:1 |
Values
| HEX | #3D5589 |
| RGB | rgb(61, 85, 137) |
| HSL | hsl(221, 38%, 39%) |
| OKLCH | oklch(45.5% 0.09 264.3) |
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 #3D5589 | 7.34:1 | AAA | Lc -90.3 | Preferred for body text |
| Black text on #3D5589 | 2.85:1 | Fails | Lc 18.6 | Dividers and decoration only |
| #3D5589 text on white | 7.34:1 | AAA | Lc 85.4 | Fine for body text |
| #3D5589 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
#CFD9ED
oklch(88.4% 0.03 264.4)
-
Step 300
300
#B0C1E4
oklch(81% 0.053 264.7)
-
Step 400
400
#86A0D6
oklch(70.6% 0.085 264.4)
-
Step 500
500
#6888CB
oklch(63.1% 0.108 264.1)
-
Step 600
600
#5071B8
oklch(55.7% 0.117 264.1)
-
Step 700
700
#415E9E
oklch(49.1% 0.109 264.4)
-
Step 800
800 (this color)
#3D5589
oklch(45.5% 0.09 264.3)
-
Step 900
900
#2E4067
oklch(37.6% 0.071 264.4)
-
Step 950
950
#1B263C
oklch(27% 0.044 263.4)
#3D5589 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) | #405A8B | 0.016 |
| Deuteranopia (no green cones) | #375388 | 0.010 |
| Tritanopia (no blue cones) | #146068 | 0.081 |
| Achromatopsia (no color) | #565656 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D5589
#3D5589
oklch(45.5% 0.09 264.3)
- #6E5207
#6E5207
oklch(45.6% 0.091 84.8)
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 #3D5589, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.020
- Light Navy Blue #2E5A88 ΔE 0.021
- Twilight #4E518B ΔE 0.025
- Dusk #4E5481 ΔE 0.025
- Dusk Blue #26538D ΔE 0.027
- Dusky Blue #475F94 ΔE 0.035
- YInMn Blue #415A77 ΔE 0.037
- Denim #3B638C ΔE 0.041
Use #3D5589 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.