#3545B6#3545B6

#3545B6 is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.0% C 0.178 H 271.1°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#3545B6
RGB	rgb(53, 69, 182)
HSL	hsl(233, 55%, 46%)
HSV	hsv(233, 71%, 71%)
CMYK	cmyk(70.9%, 62.1%, 0%, 28.6%)
CIE-LAB	lab(34.78, 32.21, -61.68)
CIE-LCH	lch(34.78, 69.58, 297.57°)
OKLab	oklab(45.05% 0.0034 -0.178)
OKLCH	oklch(45.05% 0.178 271.1)
XYZ	xyz(12.0370, 8.3893, 45.2318)
Luminance	0.0839 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3545B6 #B6A635

analogous

#3585B6 #3545B6 #6535B6

triadic

#3545B6 #B63545 #45B635

tetradic

#3545B6 #B63585 #B6A635 #35B665

square

#3545B6 #B63585 #B6A635 #35B665

split-complementary

#3545B6 #B66535 #85B635

monochromatic

#192157 #273387 #3545B6 #5968CF #8993DD

Accessibility & contrast

On white

7.84

#3545B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3545B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3545B6

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3545B6	#FFFFFF	#000000	##FFFFFF
##3545B6	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BA

Deuteranopia (green-blind)

#004CB4

Tritanopia (blue-blind)

#006277

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3545b6;
/* rgb */ color: rgb(53, 69, 182);
/* oklch */ color: oklch(45.0% 0.178 271.1);

Tailwind

colors: {
  custom: {
    50: '#7e78cd',
    500: '#3545b6',
    950: '#000000',
  },
}

SCSS

$custom: #3545b6;
$custom-light: #7e78cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3545b6",
  "rgb": {
    "r": 53,
    "g": 69,
    "b": 182
  },
  "hsl": {
    "h": 232.558,
    "s": 54.894,
    "l": 46.078
  },
  "oklch": {
    "l": 0.45049,
    "c": 0.17807,
    "h": 271.1
  },
  "luminance": 0.08391
}

Semantic roles & 50–950 ramp

primary

#3545B6

secondary

#C7BE80

accent

#CC4ADE

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3545B6

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

Preview Lab → · Contrast checker → · Palette generator →