#3849A9
Closest named color: Blueberry (#464196). oklch(44.9% 0.154 271.2), rgb(56, 73, 169).
Aa
White text reads best on this color (7.79:1).
About this color
#3849A9 is a dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.154 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.039 away. White text reads best on it, at 7.79:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | vivid (0.154) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.69:1 |
| White text | 7.79:1 |
Values
| HEX | #3849A9 |
| RGB | rgb(56, 73, 169) |
| HSL | hsl(231, 50%, 44%) |
| OKLCH | oklch(44.9% 0.154 271.2) |
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 #3849A9 | 7.79:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #3849A9 | 2.69:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #3849A9 text on white | 7.79:1 | AAA | Lc 86.7 | Fine for body text |
| #3849A9 text on black | 2.69:1 | Fails | Lc -15.4 | 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 800.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FC
oklch(93.5% 0.027 271.9)
-
Step 200
200
#CDD8FB
oklch(88.5% 0.05 271.6)
-
Step 300
300
#ABBEFC
oklch(80.9% 0.09 271.1)
-
Step 400
400
#8099FA
oklch(70.6% 0.145 271.4)
-
Step 500
500
#637DF7
oklch(63.2% 0.183 271.2)
-
Step 600
600
#4C62E6
oklch(55.6% 0.2 271.2)
-
Step 700
700
#3E50C8
oklch(49.1% 0.186 271.2)
-
Step 800
800 (this color)
#3849A9
oklch(44.9% 0.154 271.2)
-
Step 900
900
#2C3980
oklch(37.6% 0.12 271.6)
-
Step 950
950
#19224B
oklch(26.9% 0.077 271.1)
#3849A9 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) | #0057AC | 0.046 |
| Deuteranopia (no green cones) | #004DA7 | 0.039 |
| Tritanopia (no blue cones) | #006072 | 0.127 |
| Achromatopsia (no color) | #525252 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3849A9
#3849A9
oklch(44.9% 0.154 271.2)
- #685200
#685200
oklch(44.8% 0.092 90.8)
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 #3849A9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.039
- Cobalt #1E488F ΔE 0.052
- Sapphire #2138AB ΔE 0.052
- Blue Blue #2242C7 ΔE 0.056
- Dark Slate Blue #483D8B ΔE 0.058
- Dusk Blue #26538D ΔE 0.058
- Majorelle Blue #3F37C9 ΔE 0.063
- Blue With A Hint Of Purple #533CC6 ΔE 0.064
Use #3849A9 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.