#3549B3#3549B3

#3549B3 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.5% C 0.169 H 270.1°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#3549B3
RGB	rgb(53, 73, 179)
HSL	hsl(230, 54%, 45%)
HSV	hsv(230, 70%, 70%)
CMYK	cmyk(70.4%, 59.2%, 0%, 29.8%)
CIE-LAB	lab(35.55, 28.53, -58.65)
CIE-LCH	lch(35.55, 65.22, 295.94°)
OKLab	oklab(45.54% 0.0004 -0.1691)
OKLCH	oklch(45.54% 0.169 270.1)
XYZ	xyz(11.9846, 8.7755, 43.7013)
Luminance	0.0878 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3549B3 #B39F35

analogous

#3588B3 #3549B3 #6035B3

triadic

#3549B3 #B33549 #49B335

tetradic

#3549B3 #B33588 #B39F35 #35B360

square

#3549B3 #B33588 #B39F35 #35B360

split-complementary

#3549B3 #B36035 #88B335

monochromatic

#192255 #273684 #3549B3 #586ACD #8794DB

Accessibility & contrast

On white

7.62

#3549B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#3549B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3549B3

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3549B3	#FFFFFF	#000000	##FFFFFF
##3549B3	1.00	7.62	2.76	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB7

Deuteranopia (green-blind)

#004EB1

Tritanopia (blue-blind)

#006377

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3549b3;
/* rgb */ color: rgb(53, 73, 179);
/* oklch */ color: oklch(45.5% 0.169 270.1);

Tailwind

colors: {
  custom: {
    50: '#7d7bcb',
    500: '#3549b3',
    950: '#000000',
  },
}

SCSS

$custom: #3549b3;
$custom-light: #7d7bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#3549b3",
  "rgb": {
    "r": 53,
    "g": 73,
    "b": 179
  },
  "hsl": {
    "h": 230.476,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.45542,
    "c": 0.16911,
    "h": 270.1
  },
  "luminance": 0.08777
}

Semantic roles & 50–950 ramp

primary

#3549B3

secondary

#C5BA7F

accent

#C64ADE

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3549B3

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

Preview Lab → · Contrast checker → · Palette generator →