#4050C7#4050C7

#4050C7 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.1% C 0.184 H 271.9°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#4050C7
RGB	rgb(64, 80, 199)
HSL	hsl(233, 55%, 52%)
HSV	hsv(233, 68%, 78%)
CMYK	cmyk(67.8%, 59.8%, 0%, 22%)
CIE-LAB	lab(39.50, 32.72, -63.92)
CIE-LCH	lch(39.50, 71.80, 297.11°)
OKLab	oklab(49.13% 0.0061 -0.1842)
OKLCH	oklch(49.13% 0.184 271.9)
XYZ	xyz(15.2883, 10.9494, 55.3295)
Luminance	0.1095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4050C7 #C7B740

analogous

#4094C7 #4050C7 #7440C7

triadic

#4050C7 #C74050 #50C740

tetradic

#4050C7 #C74094 #C7B740 #40C774

square

#4050C7 #C74094 #C7B740 #40C774

split-complementary

#4050C7 #C77440 #94C740

monochromatic

#20296D #2E3B9C #4050C7 #6F7BD5 #9FA7E3

Accessibility & contrast

On white

6.58

#4050C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#4050C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4050C7

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4050C7	#FFFFFF	#000000	##FFFFFF
##4050C7	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063CB

Deuteranopia (green-blind)

#0057C5

Tritanopia (blue-blind)

#006E84

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4050c7;
/* rgb */ color: rgb(64, 80, 199);
/* oklch */ color: oklch(49.1% 0.184 271.9);

Tailwind

colors: {
  custom: {
    50: '#8581d9',
    500: '#4050c7',
    950: '#000000',
  },
}

SCSS

$custom: #4050c7;
$custom-light: #8581d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4050c7",
  "rgb": {
    "r": 64,
    "g": 80,
    "b": 199
  },
  "hsl": {
    "h": 232.889,
    "s": 54.656,
    "l": 51.569
  },
  "oklch": {
    "l": 0.49128,
    "c": 0.18435,
    "h": 271.9
  },
  "luminance": 0.10951
}

Semantic roles & 50–950 ramp

primary

#4050C7

secondary

#CFC894

accent

#CC4ADE

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #4050C7

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

Preview Lab → · Contrast checker → · Palette generator →