#4049E0#4049E0

#4049E0 is a mid, highly saturated blue. Relative luminance 0.112; OKLCH L 50.1% C 0.224 H 272.4°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#4049E0
RGB	rgb(64, 73, 224)
HSL	hsl(237, 72%, 56%)
HSV	hsv(237, 71%, 88%)
CMYK	cmyk(71.4%, 67.4%, 0%, 12.2%)
CIE-LAB	lab(39.97, 45.58, -77.52)
CIE-LCH	lch(39.97, 89.93, 300.46°)
OKLab	oklab(50.13% 0.0094 -0.2241)
OKLCH	oklch(50.13% 0.224 272.4)
XYZ	xyz(17.9469, 11.2351, 71.7293)
Luminance	0.1124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4049E0 #E0D740

analogous

#4099E0 #4049E0 #8740E0

triadic

#4049E0 #E04049 #49E040

tetradic

#4049E0 #E04099 #E0D740 #40E087

square

#4049E0 #E04099 #E0D740 #40E087

split-complementary

#4049E0 #E08740 #99E040

monochromatic

#171E8E #2029C3 #4049E0 #757BE9 #A9ADF1

Accessibility & contrast

On white

6.47

#4049E0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#4049E0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4049E0

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4049E0	#FFFFFF	#000000	##FFFFFF
##4049E0	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066E5

Deuteranopia (green-blind)

#0057DD

Tritanopia (blue-blind)

#00728F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4049e0;
/* rgb */ color: rgb(64, 73, 224);
/* oklch */ color: oklch(50.1% 0.224 272.4);

Tailwind

colors: {
  custom: {
    50: '#8b7ceb',
    500: '#4049e0',
    950: '#000000',
  },
}

SCSS

$custom: #4049e0;
$custom-light: #8b7ceb;
$custom-dark: #000000;

JSON

{
  "hex": "#4049e0",
  "rgb": {
    "r": 64,
    "g": 73,
    "b": 224
  },
  "hsl": {
    "h": 236.625,
    "s": 72.072,
    "l": 56.471
  },
  "oklch": {
    "l": 0.50128,
    "c": 0.22435,
    "h": 272.4
  },
  "luminance": 0.11237
}

Semantic roles & 50–950 ramp

primary

#4049E0

secondary

#DFDB9D

accent

#E539EF

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4049E0

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

Preview Lab → · Contrast checker → · Palette generator →