#3547AD
Closest named color: Blueberry (#464196). oklch(44.7% 0.163 270.7), rgb(53, 71, 173).
Aa
White text reads best on this color (7.90:1).
About this color
#3547AD is a dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.163 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.044 away. White text reads best on it, at 7.90:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | vivid (0.163) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.65:1 |
| White text | 7.90:1 |
Values
| HEX | #3547AD |
| RGB | rgb(53, 71, 173) |
| HSL | hsl(231, 53%, 44%) |
| OKLCH | oklch(44.7% 0.163 270.7) |
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 #3547AD | 7.90:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #3547AD | 2.65:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #3547AD text on white | 7.90:1 | AAA | Lc 87.0 | Fine for body text |
| #3547AD text on black | 2.65:1 | 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
#7D99FF
oklch(70.7% 0.152 270.5)
-
Step 500
500
#5F7BFE
oklch(63% 0.196 270.7)
-
Step 600
600
#4960ED
oklch(55.6% 0.212 270.7)
-
Step 700
700
#3B4ECE
oklch(49.1% 0.197 270.7)
-
Step 800
800 (this color)
#3547AD
oklch(44.7% 0.163 270.7)
-
Step 900
900
#2A3984
oklch(37.8% 0.127 270.6)
-
Step 950
950
#18224D
oklch(27% 0.08 270.4)
#3547AD 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) | #0057B0 | 0.047 |
| Deuteranopia (no green cones) | #004CAB | 0.036 |
| Tritanopia (no blue cones) | #006073 | 0.132 |
| Achromatopsia (no color) | #515151 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3547AD
#3547AD
oklch(44.7% 0.163 270.7)
- #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 #3547AD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.044
- Sapphire #2138AB ΔE 0.046
- Blue Blue #2242C7 ΔE 0.047
- Majorelle Blue #3F37C9 ΔE 0.055
- Cobalt #1E488F ΔE 0.056
- Blue With A Hint Of Purple #533CC6 ΔE 0.060
- Dark Slate Blue #483D8B ΔE 0.063
- Dusk Blue #26538D ΔE 0.065
Use #3547AD 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.