#4049DF#4049DF

#4049DF is a mid, highly saturated blue. Relative luminance 0.112; OKLCH L 50.0% C 0.223 H 272.4°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#4049DF
RGB	rgb(64, 73, 223)
HSL	hsl(237, 71%, 56%)
HSV	hsv(237, 71%, 87%)
CMYK	cmyk(71.3%, 67.3%, 0%, 12.5%)
CIE-LAB	lab(39.88, 45.25, -77.09)
CIE-LCH	lch(39.88, 89.39, 300.41°)
OKLab	oklab(50.04% 0.0095 -0.2229)
OKLCH	oklch(50.04% 0.223 272.4)
XYZ	xyz(17.8117, 11.1810, 71.0172)
Luminance	0.1118 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4049DF #DFD640

analogous

#4099DF #4049DF #8740DF

triadic

#4049DF #DF4049 #49DF40

tetradic

#4049DF #DF4099 #DFD640 #40DF87

square

#4049DF #DF4099 #DFD640 #40DF87

split-complementary

#4049DF #DF8740 #99DF40

monochromatic

#181E8D #202AC1 #4049DF #747BE8 #A9ADF1

Accessibility & contrast

On white

6.49

#4049DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#4049DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4049DF

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4049DF	#FFFFFF	#000000	##FFFFFF
##4049DF	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065E4

Deuteranopia (green-blind)

#0056DC

Tritanopia (blue-blind)

#00728E

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4049df;
/* rgb */ color: rgb(64, 73, 223);
/* oklch */ color: oklch(50.0% 0.223 272.4);

Tailwind

colors: {
  custom: {
    50: '#8b7cea',
    500: '#4049df',
    950: '#000000',
  },
}

SCSS

$custom: #4049df;
$custom-light: #8b7cea;
$custom-dark: #000000;

JSON

{
  "hex": "#4049df",
  "rgb": {
    "r": 64,
    "g": 73,
    "b": 223
  },
  "hsl": {
    "h": 236.604,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.50035,
    "c": 0.22311,
    "h": 272.4
  },
  "luminance": 0.11183
}

Semantic roles & 50–950 ramp

primary

#4049DF

secondary

#DEDA9D

accent

#E43AEE

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4049DF

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

Preview Lab → · Contrast checker → · Palette generator →