#4049BC#4049BC

#4049BC is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.9% C 0.178 H 273.9°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#4049BC
RGB	rgb(64, 73, 188)
HSL	hsl(236, 49%, 49%)
HSV	hsv(236, 66%, 74%)
CMYK	cmyk(66%, 61.2%, 0%, 26.3%)
CIE-LAB	lab(36.90, 33.31, -61.72)
CIE-LCH	lch(36.90, 70.14, 298.35°)
OKLab	oklab(46.94% 0.012 -0.1779)
OKLCH	oklch(46.94% 0.178 273.9)
XYZ	xyz(13.5710, 9.4847, 48.6828)
Luminance	0.0949 (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

#4049BC #BCB340

analogous

#4087BC #4049BC #7540BC

triadic

#4049BC #BC4049 #49BC40

tetradic

#4049BC #BC4087 #BCB340 #40BC75

square

#4049BC #BC4087 #BCB340 #40BC75

split-complementary

#4049BC #BC7540 #87BC40

monochromatic

#212661 #30378E #4049BC #6C73CD #9A9FDD

Accessibility & contrast

On white

7.25

#4049BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#4049BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4049BC

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4049BC	#FFFFFF	#000000	##FFFFFF
##4049BC	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC0

Deuteranopia (green-blind)

#0051BA

Tritanopia (blue-blind)

#00667B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4049bc;
/* rgb */ color: rgb(64, 73, 188);
/* oklch */ color: oklch(46.9% 0.178 273.9);

Tailwind

colors: {
  custom: {
    50: '#837cd1',
    500: '#4049bc',
    950: '#000000',
  },
}

SCSS

$custom: #4049bc;
$custom-light: #837cd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4049bc",
  "rgb": {
    "r": 64,
    "g": 73,
    "b": 188
  },
  "hsl": {
    "h": 235.645,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.46938,
    "c": 0.17828,
    "h": 273.9
  },
  "luminance": 0.09486
}

Semantic roles & 50–950 ramp

primary

#4049BC

secondary

#C9C48F

accent

#CF4FD9

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #4049BC

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

Preview Lab → · Contrast checker → · Palette generator →