#3A4698
Closest named color: Blueberry (#464196). oklch(43.1% 0.134 273.2), rgb(58, 70, 152).
Aa
White text reads best on this color (8.36:1).
About this color
#3A4698 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.134 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.020 away. White text reads best on it, at 8.36:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.50:1 |
| White text | 8.36:1 |
Values
| HEX | #3A4698 |
| RGB | rgb(58, 70, 152) |
| HSL | hsl(232, 45%, 41%) |
| OKLCH | oklch(43.1% 0.134 273.2) |
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 #3A4698 | 8.36:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #3A4698 | 2.50:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #3A4698 text on white | 8.36:1 | AAA | Lc 88.6 | Fine for body text |
| #3A4698 text on black | 2.50:1 | Fails | Lc -13.6 | Not readable |
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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#CFD8F7
oklch(88.5% 0.044 272.7)
-
Step 300
300
#B0BEF4
oklch(81% 0.078 273.3)
-
Step 400
400
#879AEE
oklch(70.6% 0.125 273.1)
-
Step 500
500
#6B7FE9
oklch(63.1% 0.16 273)
-
Step 600
600
#5565D7
oklch(55.5% 0.174 273.3)
-
Step 700
700
#4653BA
oklch(49% 0.161 273.5)
-
Step 800
800 (this color)
#3A4698
oklch(43.1% 0.134 273.2)
-
Step 900
900
#313B78
oklch(37.8% 0.104 273.4)
-
Step 950
950
#1C2346
oklch(27% 0.065 272.8)
#3A4698 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) | #13529B | 0.043 |
| Deuteranopia (no green cones) | #004A96 | 0.045 |
| Tritanopia (no blue cones) | #005968 | 0.115 |
| Achromatopsia (no color) | #4E4E4E | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A4698
#3A4698
oklch(43.1% 0.134 273.2)
- #614E00
#614E00
oklch(43.1% 0.088 92.7)
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 #3A4698, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.020
- Dark Slate Blue #483D8B ΔE 0.034
- Cobalt #1E488F ΔE 0.035
- Dusk Blue #26538D ΔE 0.046
- Twilight #4E518B ΔE 0.051
- Light Navy #155084 ΔE 0.057
- Sapphire #2138AB ΔE 0.058
- Denim Blue #3B5B92 ΔE 0.061
Use #3A4698 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.