#3B5AA5
Closest named color: Denim Blue (#3B5B92). oklch(48.3% 0.126 265.1), rgb(59, 90, 165).
Aa
White text reads best on this color (6.57:1).
About this color
#3B5AA5 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.126 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.032 away. White text reads best on it, at 6.57:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.19:1 |
| White text | 6.57:1 |
Values
| HEX | #3B5AA5 |
| RGB | rgb(59, 90, 165) |
| HSL | hsl(222, 47%, 44%) |
| OKLCH | oklch(48.3% 0.126 265.1) |
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 #3B5AA5 | 6.57:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #3B5AA5 | 3.19:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #3B5AA5 text on white | 6.57:1 | AA | Lc 82.3 | Fine for body text |
| #3B5AA5 text on black | 3.19:1 | AA large text | Lc -19.6 | 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 700.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CED9F0
oklch(88.4% 0.034 265.2)
-
Step 300
300
#AEC1E9
oklch(81% 0.06 265.1)
-
Step 400
400
#839FDE
oklch(70.6% 0.098 265.6)
-
Step 500
500
#6487D5
oklch(63.2% 0.124 264.8)
-
Step 600
600
#4C6FC2
oklch(55.6% 0.135 265.1)
-
Step 700
700 (this color)
#3B5AA5
oklch(48.3% 0.126 265.1)
-
Step 800
800
#334C88
oklch(42.8% 0.104 265.2)
-
Step 900
900
#2C406D
oklch(37.8% 0.081 264.7)
-
Step 950
950
#1A2540
oklch(26.9% 0.053 266.2)
#3B5AA5 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) | #3662A8 | 0.022 |
| Deuteranopia (no green cones) | #2559A3 | 0.022 |
| Tritanopia (no blue cones) | #006B77 | 0.106 |
| Achromatopsia (no color) | #5D5D5D | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B5AA5
#3B5AA5
oklch(48.3% 0.126 265.1)
- #785900
#785900
oklch(48.3% 0.099 85)
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 #3B5AA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.032
- Dusky Blue #475F94 ΔE 0.036
- Mid Blue #276AB3 ΔE 0.046
- Twilight #4E518B ΔE 0.049
- Dusk Blue #26538D ΔE 0.049
- French Blue #436BAD ΔE 0.050
- Light Navy Blue #2E5A88 ΔE 0.051
- Denim #3B638C ΔE 0.053
Use #3B5AA5 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.