#3B4AAA
Closest named color: Blueberry (#464196). oklch(45.3% 0.154 272.1), rgb(59, 74, 170).
Aa
White text reads best on this color (7.64:1).
About this color
#3B4AAA is a medium-dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.154 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.040 away. White text reads best on it, at 7.64:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.154) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.74:1 |
| White text | 7.64:1 |
Values
| HEX | #3B4AAA |
| RGB | rgb(59, 74, 170) |
| HSL | hsl(232, 48%, 45%) |
| OKLCH | oklch(45.3% 0.154 272.1) |
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 #3B4AAA | 7.64:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #3B4AAA | 2.74:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #3B4AAA text on white | 7.64:1 | AAA | Lc 86.2 | Fine for body text |
| #3B4AAA text on black | 2.74:1 | Fails | Lc -15.9 | 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
#ACBEFB
oklch(81% 0.089 271.6)
-
Step 400
400
#8299FA
oklch(70.7% 0.144 272.2)
-
Step 500
500
#657CF7
oklch(63.1% 0.184 272.1)
-
Step 600
600
#4F61E6
oklch(55.6% 0.201 272.3)
-
Step 700
700
#4050C8
oklch(49.2% 0.186 271.9)
-
Step 800
800 (this color)
#3B4AAA
oklch(45.3% 0.154 272.1)
-
Step 900
900
#2D3980
oklch(37.7% 0.12 272.1)
-
Step 950
950
#1A224B
oklch(27% 0.076 272.1)
#3B4AAA 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) | #0058AD | 0.048 |
| Deuteranopia (no green cones) | #004FA8 | 0.042 |
| Tritanopia (no blue cones) | #006172 | 0.129 |
| Achromatopsia (no color) | #535353 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B4AAA
#3B4AAA
oklch(45.3% 0.154 272.1)
- #695400
#695400
oklch(45.4% 0.093 92)
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 #3B4AAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.040
- Cobalt #1E488F ΔE 0.056
- Sapphire #2138AB ΔE 0.057
- Blue Blue #2242C7 ΔE 0.057
- Dark Slate Blue #483D8B ΔE 0.059
- Dusk Blue #26538D ΔE 0.060
- Blue With A Hint Of Purple #533CC6 ΔE 0.062
- Twilight #4E518B ΔE 0.063
Use #3B4AAA 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.