#3544B3#3544B3

#3544B3 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.6% C 0.175 H 271.4°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).

Color values

HEX	#3544B3
RGB	rgb(53, 68, 179)
HSL	hsl(233, 54%, 45%)
HSV	hsv(233, 70%, 70%)
CMYK	cmyk(70.4%, 62%, 0%, 29.8%)
CIE-LAB	lab(34.28, 31.77, -60.72)
CIE-LCH	lch(34.28, 68.53, 297.62°)
OKLab	oklab(44.6% 0.0042 -0.1752)
OKLCH	oklch(44.6% 0.175 271.4)
XYZ	xyz(11.6692, 8.1447, 43.5962)
Luminance	0.0815 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3544B3 #B3A435

analogous

#3583B3 #3544B3 #6535B3

triadic

#3544B3 #B33544 #44B335

tetradic

#3544B3 #B33583 #B3A435 #35B365

square

#3544B3 #B33583 #B3A435 #35B365

split-complementary

#3544B3 #B36535 #83B335

monochromatic

#192055 #273284 #3544B3 #5866CD #8791DB

Accessibility & contrast

On white

7.99

#3544B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#3544B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3544B3

7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3544B3	#FFFFFF	#000000	##FFFFFF
##3544B3	1.00	7.99	2.63	7.99
#FFFFFF	7.99	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B7

Deuteranopia (green-blind)

#004BB1

Tritanopia (blue-blind)

#006075

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3544b3;
/* rgb */ color: rgb(53, 68, 179);
/* oklch */ color: oklch(44.6% 0.175 271.4);

Tailwind

colors: {
  custom: {
    50: '#7d78cb',
    500: '#3544b3',
    950: '#000000',
  },
}

SCSS

$custom: #3544b3;
$custom-light: #7d78cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3544b3",
  "rgb": {
    "r": 53,
    "g": 68,
    "b": 179
  },
  "hsl": {
    "h": 232.857,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.44604,
    "c": 0.17528,
    "h": 271.4
  },
  "luminance": 0.08146
}

Semantic roles & 50–950 ramp

primary

#3544B3

secondary

#C5BD7F

accent

#CC4ADE

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3544B3

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

Preview Lab → · Contrast checker → · Palette generator →