#4045BA#4045BA

#4045BA is a mid, vivid blue. Relative luminance 0.089; OKLCH L 46.1% C 0.181 H 274.9°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#4045BA
RGB	rgb(64, 69, 186)
HSL	hsl(238, 49%, 49%)
HSV	hsv(238, 66%, 73%)
CMYK	cmyk(65.6%, 62.9%, 0%, 27.1%)
CIE-LAB	lab(35.77, 35.13, -62.39)
CIE-LCH	lch(35.77, 71.60, 299.39°)
OKLab	oklab(46.06% 0.0154 -0.1799)
OKLCH	oklch(46.06% 0.181 274.9)
XYZ	xyz(13.1025, 8.8903, 47.4704)
Luminance	0.0889 (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

#4045BA #BAB540

analogous

#4082BA #4045BA #7840BA

triadic

#4045BA #BA4045 #45BA40

tetradic

#4045BA #BA4082 #BAB540 #40BA78

square

#4045BA #BA4082 #BAB540 #40BA78

split-complementary

#4045BA #BA7840 #82BA40

monochromatic

#21235F #30348C #4045BA #6B6FCC #999BDC

Accessibility & contrast

On white

7.56

#4045BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#4045BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4045BA

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4045BA	#FFFFFF	#000000	##FFFFFF
##4045BA	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ABE

Deuteranopia (green-blind)

#004FB8

Tritanopia (blue-blind)

#006379

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4045ba;
/* rgb */ color: rgb(64, 69, 186);
/* oklch */ color: oklch(46.1% 0.181 274.9);

Tailwind

colors: {
  custom: {
    50: '#8379d0',
    500: '#4045ba',
    950: '#000000',
  },
}

SCSS

$custom: #4045ba;
$custom-light: #8379d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4045ba",
  "rgb": {
    "r": 64,
    "g": 69,
    "b": 186
  },
  "hsl": {
    "h": 237.541,
    "s": 48.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.46057,
    "c": 0.18051,
    "h": 274.9
  },
  "luminance": 0.08891
}

Semantic roles & 50–950 ramp

primary

#4045BA

secondary

#C8C58E

accent

#D34FD8

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #4045BA

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

Preview Lab → · Contrast checker → · Palette generator →