#3A4098
Closest named color: Blueberry (#464196). oklch(41.9% 0.142 275.5), rgb(58, 64, 152).
Aa
White text reads best on this color (8.87:1).
About this color
#3A4098 is a dark, vivid blue. In OKLCH its lightness is 42%, its chroma 0.142 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.019 away. White text reads best on it, at 8.87:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.36:1 |
| White text | 8.87:1 |
Values
| HEX | #3A4098 |
| RGB | rgb(58, 64, 152) |
| HSL | hsl(236, 45%, 41%) |
| OKLCH | oklch(41.9% 0.142 275.5) |
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 #3A4098 | 8.87:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #3A4098 | 2.36:1 | Fails | Lc 14.0 | Not readable |
| #3A4098 text on white | 8.87:1 | AAA | Lc 90.0 | Fine for body text |
| #3A4098 text on black | 2.36:1 | Fails | Lc -12.3 | 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
#D0D7F8
oklch(88.4% 0.046 276)
-
Step 300
300
#B1BDF7
oklch(81% 0.083 275.3)
-
Step 400
400
#8A98F2
oklch(70.6% 0.132 275.8)
-
Step 500
500
#6F7CEE
oklch(63.1% 0.17 275.5)
-
Step 600
600
#5962DC
oklch(55.6% 0.184 275.5)
-
Step 700
700
#4950BF
oklch(49% 0.171 275.4)
-
Step 800
800 (this color)
#3A4098
oklch(41.9% 0.142 275.5)
-
Step 900
900
#33397B
oklch(37.7% 0.111 275.8)
-
Step 950
950
#1D2248
oklch(27% 0.07 275)
#3A4098 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) | #004E9B | 0.052 |
| Deuteranopia (no green cones) | #004696 | 0.047 |
| Tritanopia (no blue cones) | #005565 | 0.122 |
| Achromatopsia (no color) | #4A4A4A | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A4098
#3A4098
oklch(41.9% 0.142 275.5)
- #5B4C00
#5B4C00
oklch(41.9% 0.086 96)
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 #3A4098, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.019
- Dark Slate Blue #483D8B ΔE 0.030
- Cobalt #1E488F ΔE 0.039
- Sapphire #2138AB ΔE 0.049
- Dusk Blue #26538D ΔE 0.058
- Twilight #4E518B ΔE 0.064
- Light Navy #155084 ΔE 0.066
- Twilight Blue #0A437A ΔE 0.070
Use #3A4098 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.