#3547AC
Closest named color: Blueberry (#464196). oklch(44.6% 0.162 270.7), rgb(53, 71, 172).
Aa
White text reads best on this color (7.92:1).
About this color
#3547AC is a dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.162 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.043 away. White text reads best on it, at 7.92:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | vivid (0.162) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.64:1 |
| White text | 7.92:1 |
Values
| HEX | #3547AC |
| RGB | rgb(53, 71, 172) |
| HSL | hsl(231, 53%, 44%) |
| OKLCH | oklch(44.6% 0.162 270.7) |
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 #3547AC | 7.92:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #3547AC | 2.64:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #3547AC text on white | 7.92:1 | AAA | Lc 87.0 | Fine for body text |
| #3547AC text on black | 2.64:1 | Fails | Lc -15.1 | 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
#E3E9FD
oklch(93.5% 0.028 272.5)
-
Step 200
200
#CCD8FD
oklch(88.5% 0.053 271.1)
-
Step 300
300
#A9BEFF
oklch(80.9% 0.095 270.4)
-
Step 400
400
#7E99FE
oklch(70.7% 0.151 270.8)
-
Step 500
500
#607CFD
oklch(63.2% 0.194 270.7)
-
Step 600
600
#4960EC
oklch(55.5% 0.211 270.7)
-
Step 700
700
#3B4ECD
oklch(49% 0.196 270.7)
-
Step 800
800 (this color)
#3547AC
oklch(44.6% 0.162 270.7)
-
Step 900
900
#2A3983
oklch(37.7% 0.125 270.6)
-
Step 950
950
#18224D
oklch(27% 0.08 270.4)
#3547AC 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) | #0057AF | 0.047 |
| Deuteranopia (no green cones) | #004CAA | 0.036 |
| Tritanopia (no blue cones) | #006072 | 0.132 |
| Achromatopsia (no color) | #515151 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3547AC
#3547AC
oklch(44.6% 0.162 270.7)
- #675100
#675100
oklch(44.5% 0.091 90.6)
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 #3547AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.043
- Sapphire #2138AB ΔE 0.045
- Blue Blue #2242C7 ΔE 0.049
- Cobalt #1E488F ΔE 0.054
- Majorelle Blue #3F37C9 ΔE 0.056
- Blue With A Hint Of Purple #533CC6 ΔE 0.062
- Dark Slate Blue #483D8B ΔE 0.062
- Dusk Blue #26538D ΔE 0.064
Use #3547AC 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.