#3547AB#3547AB

#3547AB is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.5% C 0.161 H 270.7°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#3547AB
RGB	rgb(53, 71, 171)
HSL	hsl(231, 53%, 44%)
HSV	hsv(231, 69%, 67%)
CMYK	cmyk(69%, 58.5%, 0%, 32.9%)
CIE-LAB	lab(34.40, 26.93, -55.77)
CIE-LCH	lch(34.40, 61.93, 295.77°)
OKLab	oklab(44.49% 0.0019 -0.1607)
OKLCH	oklch(44.49% 0.161 270.7)
XYZ	xyz(11.0696, 8.2026, 39.5201)
Luminance	0.0820 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3547AB #AB9935

analogous

#3582AB #3547AB #5E35AB

triadic

#3547AB #AB3547 #47AB35

tetradic

#3547AB #AB3582 #AB9935 #35AB5E

square

#3547AB #AB3582 #AB9935 #35AB5E

split-complementary

#3547AB #AB5E35 #82AB35

monochromatic

#18204E #27347C #3547AB #5365CA #828FD8

Accessibility & contrast

On white

7.95

#3547AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3547AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3547AB

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3547AB	#FFFFFF	#000000	##FFFFFF
##3547AB	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AE

Deuteranopia (green-blind)

#004CA9

Tritanopia (blue-blind)

#006072

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3547ab;
/* rgb */ color: rgb(53, 71, 171);
/* oklch */ color: oklch(44.5% 0.161 270.7);

Tailwind

colors: {
  custom: {
    50: '#7b7ac5',
    500: '#3547ab',
    950: '#000000',
  },
}

SCSS

$custom: #3547ab;
$custom-light: #7b7ac5;
$custom-dark: #000000;

JSON

{
  "hex": "#3547ab",
  "rgb": {
    "r": 53,
    "g": 71,
    "b": 171
  },
  "hsl": {
    "h": 230.847,
    "s": 52.679,
    "l": 43.922
  },
  "oklch": {
    "l": 0.4449,
    "c": 0.16067,
    "h": 270.7
  },
  "luminance": 0.08204
}

Semantic roles & 50–950 ramp

primary

#3547AB

secondary

#C2B77A

accent

#C64CDC

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3547AB

Body copy rendered with the generated semantic roles for this colour.

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