#3547A8#3547A8

#3547A8 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.2% C 0.157 H 270.7°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#3547A8
RGB	rgb(53, 71, 168)
HSL	hsl(231, 52%, 43%)
HSV	hsv(231, 68%, 66%)
CMYK	cmyk(68.5%, 57.7%, 0%, 34.1%)
CIE-LAB	lab(34.17, 25.83, -54.35)
CIE-LCH	lch(34.17, 60.18, 295.42°)
OKLab	oklab(44.24% 0.0018 -0.1565)
OKLCH	oklch(44.24% 0.157 270.7)
XYZ	xyz(10.7869, 8.0895, 38.0312)
Luminance	0.0809 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3547A8 #A89635

analogous

#3580A8 #3547A8 #5C35A8

triadic

#3547A8 #A83547 #47A835

tetradic

#3547A8 #A83580 #A89635 #35A85C

square

#3547A8 #A83580 #A89635 #35A85C

split-complementary

#3547A8 #A85C35 #80A835

monochromatic

#18204B #263379 #3547A8 #5264C8 #808ED7

Accessibility & contrast

On white

8.02

#3547A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#3547A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3547A8

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3547A8	#FFFFFF	#000000	##FFFFFF
##3547A8	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AB

Deuteranopia (green-blind)

#004BA6

Tritanopia (blue-blind)

#005F70

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3547a8;
/* rgb */ color: rgb(53, 71, 168);
/* oklch */ color: oklch(44.2% 0.157 270.7);

Tailwind

colors: {
  custom: {
    50: '#7a7ac3',
    500: '#3547a8',
    950: '#000000',
  },
}

SCSS

$custom: #3547a8;
$custom-light: #7a7ac3;
$custom-dark: #000000;

JSON

{
  "hex": "#3547a8",
  "rgb": {
    "r": 53,
    "g": 71,
    "b": 168
  },
  "hsl": {
    "h": 230.609,
    "s": 52.036,
    "l": 43.333
  },
  "oklch": {
    "l": 0.44243,
    "c": 0.15651,
    "h": 270.7
  },
  "luminance": 0.08091
}

Semantic roles & 50–950 ramp

primary

#3547A8

secondary

#C0B578

accent

#C54CDB

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3547A8

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

Preview Lab → · Contrast checker → · Palette generator →