#3A5891
Closest named color: Denim Blue (#3B5B92). oklch(46.5% 0.1 262.2), rgb(58, 88, 145).
Aa
White text reads best on this color (7.03:1).
About this color
#3A5891 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.100 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.009 away. White text reads best on it, at 7.03:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 2.98:1 |
| White text | 7.03:1 |
Values
| HEX | #3A5891 |
| RGB | rgb(58, 88, 145) |
| HSL | hsl(219, 43%, 40%) |
| OKLCH | oklch(46.5% 0.1 262.2) |
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 #3A5891 | 7.03:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #3A5891 | 2.98:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #3A5891 text on white | 7.03:1 | AAA | Lc 84.2 | Fine for body text |
| #3A5891 text on black | 2.98:1 | Fails | Lc -17.8 | 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
#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
#B0C1E1
oklch(80.9% 0.049 263.1)
-
Step 400
400
#87A1D1
oklch(70.7% 0.077 262.4)
-
Step 500
500
#6989C5
oklch(63.1% 0.098 262.4)
-
Step 600
600
#5072B2
oklch(55.6% 0.108 262.2)
-
Step 700
700 (this color)
#3A5891
oklch(46.5% 0.1 262.2)
-
Step 800
800
#364E7C
oklch(42.7% 0.082 262.5)
-
Step 900
900
#2F4164
oklch(37.7% 0.065 262.9)
-
Step 950
950
#1B263A
oklch(26.9% 0.041 261.9)
#3A5891 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) | #405D93 | 0.017 |
| Deuteranopia (no green cones) | #355590 | 0.011 |
| Tritanopia (no blue cones) | #00656D | 0.088 |
| Achromatopsia (no color) | #595959 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A5891
#3A5891
oklch(46.5% 0.1 262.2)
- #745300
#745300
oklch(46.5% 0.096 81.9)
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 #3A5891, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.009
- Light Navy Blue #2E5A88 ΔE 0.022
- Dusky Blue #475F94 ΔE 0.028
- Dusk Blue #26538D ΔE 0.028
- Twilight #4E518B ΔE 0.031
- Dusk #4E5481 ΔE 0.035
- Denim #3B638C ΔE 0.036
- YInMn Blue #415A77 ΔE 0.045
Use #3A5891 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.