#3A489E
Closest named color: Blueberry (#464196). oklch(44% 0.14 272.4), rgb(58, 72, 158).
Aa
White text reads best on this color (8.07:1).
About this color
#3A489E is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.140 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.025 away. White text reads best on it, at 8.07:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.140) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.60:1 |
| White text | 8.07:1 |
Values
| HEX | #3A489E |
| RGB | rgb(58, 72, 158) |
| HSL | hsl(232, 46%, 42%) |
| OKLCH | oklch(44% 0.14 272.4) |
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 #3A489E | 8.07:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #3A489E | 2.60:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #3A489E text on white | 8.07:1 | AAA | Lc 87.6 | Fine for body text |
| #3A489E text on black | 2.60:1 | Fails | Lc -14.5 | 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
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CED8F8
oklch(88.5% 0.045 271.7)
-
Step 300
300
#AEBEF6
oklch(80.9% 0.081 272.1)
-
Step 400
400
#859AF2
oklch(70.7% 0.131 272.5)
-
Step 500
500
#687EED
oklch(63% 0.167 272.3)
-
Step 600
600
#5265DB
oklch(55.7% 0.18 272.3)
-
Step 700
700
#4353BE
oklch(49.1% 0.168 272.3)
-
Step 800
800 (this color)
#3A489E
oklch(44% 0.14 272.4)
-
Step 900
900
#2F3B7A
oklch(37.8% 0.107 272.2)
-
Step 950
950
#1B2348
oklch(27% 0.069 271.9)
#3A489E 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) | #0F54A1 | 0.043 |
| Deuteranopia (no green cones) | #004C9C | 0.043 |
| Tritanopia (no blue cones) | #005C6C | 0.118 |
| Achromatopsia (no color) | #505050 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A489E
#3A489E
oklch(44% 0.14 272.4)
- #645000
#645000
oklch(43.9% 0.09 92.1)
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 #3A489E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.025
- Cobalt #1E488F ΔE 0.040
- Dark Slate Blue #483D8B ΔE 0.043
- Dusk Blue #26538D ΔE 0.047
- Twilight #4E518B ΔE 0.052
- Sapphire #2138AB ΔE 0.057
- Denim Blue #3B5B92 ΔE 0.059
- Light Navy #155084 ΔE 0.061
Use #3A489E 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.