#3549B1#3549B1

#3549B1 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.4% C 0.166 H 270.1°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#3549B1
RGB	rgb(53, 73, 177)
HSL	hsl(230, 54%, 45%)
HSV	hsv(230, 70%, 69%)
CMYK	cmyk(70.1%, 58.8%, 0%, 30.6%)
CIE-LAB	lab(35.39, 27.81, -57.72)
CIE-LCH	lch(35.39, 64.07, 295.72°)
OKLab	oklab(45.38% 0.0004 -0.1664)
OKLCH	oklch(45.38% 0.166 270.1)
XYZ	xyz(11.7838, 8.6951, 42.6438)
Luminance	0.0870 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3549B1 #B19D35

analogous

#3587B1 #3549B1 #5F35B1

triadic

#3549B1 #B13549 #49B135

tetradic

#3549B1 #B13587 #B19D35 #35B15F

square

#3549B1 #B13587 #B19D35 #35B15F

split-complementary

#3549B1 #B15F35 #87B135

monochromatic

#192253 #273682 #3549B1 #576ACD #8693DB

Accessibility & contrast

On white

7.67

#3549B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#3549B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3549B1

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3549B1	#FFFFFF	#000000	##FFFFFF
##3549B1	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B4

Deuteranopia (green-blind)

#004EAF

Tritanopia (blue-blind)

#006376

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3549b1;
/* rgb */ color: rgb(53, 73, 177);
/* oklch */ color: oklch(45.4% 0.166 270.1);

Tailwind

colors: {
  custom: {
    50: '#7c7bc9',
    500: '#3549b1',
    950: '#000000',
  },
}

SCSS

$custom: #3549b1;
$custom-light: #7c7bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#3549b1",
  "rgb": {
    "r": 53,
    "g": 73,
    "b": 177
  },
  "hsl": {
    "h": 230.323,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.45375,
    "c": 0.16639,
    "h": 270.1
  },
  "luminance": 0.08696
}

Semantic roles & 50–950 ramp

primary

#3549B1

secondary

#C4B97D

accent

#C64BDD

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3549B1

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

Preview Lab → · Contrast checker → · Palette generator →