#3544B7#3544B7

#3544B7 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 45.0% C 0.181 H 271.3°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#3544B7
RGB	rgb(53, 68, 183)
HSL	hsl(233, 55%, 46%)
HSV	hsv(233, 71%, 72%)
CMYK	cmyk(71%, 62.8%, 0%, 28.2%)
CIE-LAB	lab(34.62, 33.21, -62.53)
CIE-LCH	lch(34.62, 70.80, 297.97°)
OKLab	oklab(44.96% 0.0041 -0.1806)
OKLCH	oklch(44.96% 0.181 271.3)
XYZ	xyz(12.0797, 8.3088, 45.7577)
Luminance	0.0831 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.55

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3544B7 #B7A835

analogous

#3585B7 #3544B7 #6735B7

triadic

#3544B7 #B73544 #44B735

tetradic

#3544B7 #B73585 #B7A835 #35B767

square

#3544B7 #B73585 #B7A835 #35B767

split-complementary

#3544B7 #B76735 #85B735

monochromatic

#1A2158 #273288 #3544B7 #5A68CF #8993DD

Accessibility & contrast

On white

7.89

#3544B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#3544B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3544B7

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3544B7	#FFFFFF	#000000	##FFFFFF
##3544B7	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BB

Deuteranopia (green-blind)

#004BB5

Tritanopia (blue-blind)

#006277

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3544b7;
/* rgb */ color: rgb(53, 68, 183);
/* oklch */ color: oklch(45.0% 0.181 271.3);

Tailwind

colors: {
  custom: {
    50: '#7e78ce',
    500: '#3544b7',
    950: '#000000',
  },
}

SCSS

$custom: #3544b7;
$custom-light: #7e78ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3544b7",
  "rgb": {
    "r": 53,
    "g": 68,
    "b": 183
  },
  "hsl": {
    "h": 233.077,
    "s": 55.085,
    "l": 46.275
  },
  "oklch": {
    "l": 0.44955,
    "c": 0.18061,
    "h": 271.3
  },
  "luminance": 0.0831
}

Semantic roles & 50–950 ramp

primary

#3544B7

secondary

#C7BF81

accent

#CD49DE

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3544B7

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

Preview Lab → · Contrast checker → · Palette generator →