#4539BD#4539BD

#4539BD is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.7% C 0.197 H 278.9°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#4539BD
RGB	rgb(69, 57, 189)
HSL	hsl(245, 54%, 48%)
HSV	hsv(245, 70%, 74%)
CMYK	cmyk(63.5%, 69.8%, 0%, 25.9%)
CIE-LAB	lab(33.70, 44.05, -67.54)
CIE-LCH	lch(33.70, 80.63, 303.11°)
OKLab	oklab(44.73% 0.0305 -0.1948)
OKLCH	oklch(44.73% 0.197 278.9)
XYZ	xyz(13.0997, 7.8646, 48.9619)
Luminance	0.0787 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4539BD #B1BD39

analogous

#396FBD #4539BD #8739BD

triadic

#4539BD #BD4539 #39BD45

tetradic

#4539BD #BD396F #B1BD39 #39BD87

square

#4539BD #BD396F #B1BD39 #39BD87

split-complementary

#4539BD #BD8739 #6FBD39

monochromatic

#231D5F #342B8E #4539BD #6D63D0 #9992DE

Accessibility & contrast

On white

8.16

#4539BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#4539BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4539BD

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4539BD	#FFFFFF	#000000	##FFFFFF
##4539BD	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C1

Deuteranopia (green-blind)

#004ABB

Tritanopia (blue-blind)

#005D77

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4539bd;
/* rgb */ color: rgb(69, 57, 189);
/* oklch */ color: oklch(44.7% 0.197 278.9);

Tailwind

colors: {
  custom: {
    50: '#8771d2',
    500: '#4539bd',
    950: '#000000',
  },
}

SCSS

$custom: #4539bd;
$custom-light: #8771d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4539bd",
  "rgb": {
    "r": 69,
    "g": 57,
    "b": 189
  },
  "hsl": {
    "h": 245.455,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.44725,
    "c": 0.1972,
    "h": 278.9
  },
  "luminance": 0.07866
}

Semantic roles & 50–950 ramp

primary

#4539BD

secondary

#C3C989

accent

#DD4BD0

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0D0814

muted

#7D7B83

Preview Lab

Preview with #4539BD

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

Preview Lab → · Contrast checker → · Palette generator →