#3545B2#3545B2

#3545B2 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.7% C 0.173 H 271.2°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#3545B2
RGB	rgb(53, 69, 178)
HSL	hsl(232, 54%, 45%)
HSV	hsv(232, 70%, 70%)
CMYK	cmyk(70.2%, 61.2%, 0%, 30.2%)
CIE-LAB	lab(34.45, 30.77, -59.85)
CIE-LCH	lch(34.45, 67.30, 297.21°)
OKLab	oklab(44.7% 0.0035 -0.1727)
OKLCH	oklch(44.7% 0.173 271.2)
XYZ	xyz(11.6295, 8.2263, 43.0858)
Luminance	0.0823 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3545B2 #B2A235

analogous

#3583B2 #3545B2 #6335B2

triadic

#3545B2 #B23545 #45B235

tetradic

#3545B2 #B23583 #B2A235 #35B263

square

#3545B2 #B23583 #B2A235 #35B263

split-complementary

#3545B2 #B26335 #83B235

monochromatic

#192054 #273383 #3545B2 #5766CD #8691DB

Accessibility & contrast

On white

7.94

#3545B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3545B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3545B2

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3545B2	#FFFFFF	#000000	##FFFFFF
##3545B2	1.00	7.94	2.65	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B6

Deuteranopia (green-blind)

#004BB0

Tritanopia (blue-blind)

#006175

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3545b2;
/* rgb */ color: rgb(53, 69, 178);
/* oklch */ color: oklch(44.7% 0.173 271.2);

Tailwind

colors: {
  custom: {
    50: '#7d78ca',
    500: '#3545b2',
    950: '#000000',
  },
}

SCSS

$custom: #3545b2;
$custom-light: #7d78ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3545b2",
  "rgb": {
    "r": 53,
    "g": 69,
    "b": 178
  },
  "hsl": {
    "h": 232.32,
    "s": 54.113,
    "l": 45.294
  },
  "oklch": {
    "l": 0.44702,
    "c": 0.17272,
    "h": 271.2
  },
  "luminance": 0.08227
}

Semantic roles & 50–950 ramp

primary

#3545B2

secondary

#C5BC7E

accent

#CB4ADD

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3545B2

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

Preview Lab → · Contrast checker → · Palette generator →