#3545A4#3545A4

#3545A4 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.5% C 0.153 H 271.3°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#3545A4
RGB	rgb(53, 69, 164)
HSL	hsl(231, 51%, 43%)
HSV	hsv(231, 68%, 64%)
CMYK	cmyk(67.7%, 57.9%, 0%, 35.7%)
CIE-LAB	lab(33.33, 25.69, -53.31)
CIE-LCH	lch(33.33, 59.18, 295.73°)
OKLab	oklab(43.52% 0.0035 -0.1535)
OKLCH	oklch(43.52% 0.154 271.3)
XYZ	xyz(10.2949, 7.6925, 36.0570)
Luminance	0.0769 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3545A4 #A49435

analogous

#357DA4 #3545A4 #5C35A4

triadic

#3545A4 #A43545 #45A435

tetradic

#3545A4 #A4357D #A49435 #35A45C

square

#3545A4 #A4357D #A49435 #35A45C

split-complementary

#3545A4 #A45C35 #7DA435

monochromatic

#171E47 #263276 #3545A4 #5061C6 #7E8BD5

Accessibility & contrast

On white

8.27

#3545A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#3545A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3545A4

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3545A4	#FFFFFF	#000000	##FFFFFF
##3545A4	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A7

Deuteranopia (green-blind)

#004AA2

Tritanopia (blue-blind)

#005C6D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3545a4;
/* rgb */ color: rgb(53, 69, 164);
/* oklch */ color: oklch(43.5% 0.153 271.3);

Tailwind

colors: {
  custom: {
    50: '#7a78c0',
    500: '#3545a4',
    950: '#000000',
  },
}

SCSS

$custom: #3545a4;
$custom-light: #7a78c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3545a4",
  "rgb": {
    "r": 53,
    "g": 69,
    "b": 164
  },
  "hsl": {
    "h": 231.351,
    "s": 51.152,
    "l": 42.549
  },
  "oklch": {
    "l": 0.43523,
    "c": 0.1535,
    "h": 271.3
  },
  "luminance": 0.07693
}

Semantic roles & 50–950 ramp

primary

#3545A4

secondary

#BEB476

accent

#C64DDB

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3545A4

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

Preview Lab → · Contrast checker → · Palette generator →