#3544B1#3544B1

#3544B1 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.4% C 0.173 H 271.4°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#3544B1
RGB	rgb(53, 68, 177)
HSL	hsl(233, 54%, 45%)
HSV	hsv(233, 70%, 69%)
CMYK	cmyk(70.1%, 61.6%, 0%, 30.6%)
CIE-LAB	lab(34.12, 31.05, -59.80)
CIE-LCH	lch(34.12, 67.38, 297.44°)
OKLab	oklab(44.43% 0.0043 -0.1725)
OKLCH	oklch(44.43% 0.173 271.4)
XYZ	xyz(11.4684, 8.0643, 42.5386)
Luminance	0.0806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3544B1 #B1A235

analogous

#3582B1 #3544B1 #6435B1

triadic

#3544B1 #B13544 #44B135

tetradic

#3544B1 #B13582 #B1A235 #35B164

square

#3544B1 #B13582 #B1A235 #35B164

split-complementary

#3544B1 #B16435 #82B135

monochromatic

#192053 #273282 #3544B1 #5765CD #8690DB

Accessibility & contrast

On white

8.04

#3544B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3544B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3544B1

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3544B1	#FFFFFF	#000000	##FFFFFF
##3544B1	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B5

Deuteranopia (green-blind)

#004BAF

Tritanopia (blue-blind)

#006074

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3544b1;
/* rgb */ color: rgb(53, 68, 177);
/* oklch */ color: oklch(44.4% 0.173 271.4);

Tailwind

colors: {
  custom: {
    50: '#7d77c9',
    500: '#3544b1',
    950: '#000000',
  },
}

SCSS

$custom: #3544b1;
$custom-light: #7d77c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3544b1",
  "rgb": {
    "r": 53,
    "g": 68,
    "b": 177
  },
  "hsl": {
    "h": 232.742,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.4443,
    "c": 0.17259,
    "h": 271.4
  },
  "luminance": 0.08065
}

Semantic roles & 50–950 ramp

primary

#3544B1

secondary

#C4BC7D

accent

#CC4BDD

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3544B1

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

Preview Lab → · Contrast checker → · Palette generator →