#4050C5#4050C5

#4050C5 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 49.0% C 0.182 H 271.9°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#4050C5
RGB	rgb(64, 80, 197)
HSL	hsl(233, 53%, 51%)
HSV	hsv(233, 68%, 77%)
CMYK	cmyk(67.5%, 59.4%, 0%, 22.7%)
CIE-LAB	lab(39.34, 32.02, -63.01)
CIE-LCH	lch(39.34, 70.68, 296.94°)
OKLab	oklab(48.96% 0.0061 -0.1816)
OKLCH	oklch(48.96% 0.182 271.9)
XYZ	xyz(15.0577, 10.8571, 54.1146)
Luminance	0.1086 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4050C5 #C5B540

analogous

#4092C5 #4050C5 #7240C5

triadic

#4050C5 #C54050 #50C540

tetradic

#4050C5 #C54092 #C5B540 #40C572

square

#4050C5 #C54092 #C5B540 #40C572

split-complementary

#4050C5 #C57240 #92C540

monochromatic

#20296A #2F3B99 #4050C5 #6F7BD3 #9EA6E2

Accessibility & contrast

On white

6.62

#4050C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#4050C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4050C5

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4050C5	#FFFFFF	#000000	##FFFFFF
##4050C5	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C9

Deuteranopia (green-blind)

#0057C3

Tritanopia (blue-blind)

#006D83

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4050c5;
/* rgb */ color: rgb(64, 80, 197);
/* oklch */ color: oklch(49.0% 0.182 271.9);

Tailwind

colors: {
  custom: {
    50: '#8581d7',
    500: '#4050c5',
    950: '#000000',
  },
}

SCSS

$custom: #4050c5;
$custom-light: #8581d7;
$custom-dark: #000000;

JSON

{
  "hex": "#4050c5",
  "rgb": {
    "r": 64,
    "g": 80,
    "b": 197
  },
  "hsl": {
    "h": 232.782,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.48963,
    "c": 0.18169,
    "h": 271.9
  },
  "luminance": 0.10859
}

Semantic roles & 50–950 ramp

primary

#4050C5

secondary

#CEC793

accent

#CB4BDD

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #4050C5

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

Preview Lab → · Contrast checker → · Palette generator →