#3A499A
Closest named color: Blueberry (#464196). oklch(43.9% 0.133 272), rgb(58, 73, 154).
Aa
White text reads best on this color (8.07:1).
About this color
#3A499A is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.133 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 (0.133) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.59:1 |
| White text | 8.07:1 |
Values
| HEX | #3A499A |
| RGB | rgb(58, 73, 154) |
| HSL | hsl(231, 45%, 42%) |
| OKLCH | oklch(43.9% 0.133 272) |
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 #3A499A | 8.07:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #3A499A | 2.59:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #3A499A text on white | 8.07:1 | AAA | Lc 87.7 | Fine for body text |
| #3A499A text on black | 2.59:1 | Fails | Lc -14.4 | 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
#E4E9F9
oklch(93.5% 0.022 272.1)
-
Step 200
200
#CFD8F6
oklch(88.5% 0.042 272.3)
-
Step 300
300
#AFBEF3
oklch(80.9% 0.077 272.3)
-
Step 400
400
#869BEE
oklch(70.8% 0.124 272.1)
-
Step 500
500
#6980E8
oklch(63.2% 0.158 271.8)
-
Step 600
600
#5266D6
oklch(55.5% 0.172 272)
-
Step 700
700
#4354BA
oklch(49% 0.161 272)
-
Step 800
800 (this color)
#3A499A
oklch(43.9% 0.133 272)
-
Step 900
900
#2F3B78
oklch(37.6% 0.104 272.1)
-
Step 950
950
#1C2346
oklch(27% 0.065 272.8)
#3A499A 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) | #1A549D | 0.038 |
| Deuteranopia (no green cones) | #004C98 | 0.043 |
| Tritanopia (no blue cones) | #005C6A | 0.114 |
| Achromatopsia (no color) | #505050 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A499A
#3A499A
oklch(43.9% 0.133 272)
- #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 #3A499A, 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 0.036
- Dark Slate Blue #483D8B ΔE 0.040
- Dusk Blue #26538D ΔE 0.042
- Twilight #4E518B ΔE 0.047
- Denim Blue #3B5B92 ΔE 0.054
- Light Navy #155084 ΔE 0.056
- Light Navy Blue #2E5A88 ΔE 0.061
Use #3A499A 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.