#4050CC#4050CC

#4050CC is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.5% C 0.191 H 271.8°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#4050CC
RGB	rgb(64, 80, 204)
HSL	hsl(233, 58%, 53%)
HSV	hsv(233, 69%, 80%)
CMYK	cmyk(68.6%, 60.8%, 0%, 20%)
CIE-LAB	lab(39.89, 34.47, -66.17)
CIE-LCH	lch(39.89, 74.61, 297.51°)
OKLab	oklab(49.54% 0.006 -0.1909)
OKLCH	oklch(49.54% 0.191 271.8)
XYZ	xyz(15.8784, 11.1854, 58.4372)
Luminance	0.1119 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4050CC #CCBC40

analogous

#4096CC #4050CC #7640CC

triadic

#4050CC #CC4050 #50CC40

tetradic

#4050CC #CC4096 #CCBC40 #40CC76

square

#4050CC #CC4096 #CCBC40 #40CC76

split-complementary

#4050CC #CC7640 #96CC40

monochromatic

#1F2873 #2C39A3 #4050CC #707CD9 #A1A9E6

Accessibility & contrast

On white

6.49

#4050CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#4050CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4050CC

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4050CC	#FFFFFF	#000000	##FFFFFF
##4050CC	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)

#0065D0

Deuteranopia (green-blind)

#0058CA

Tritanopia (blue-blind)

#006F86

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4050cc;
/* rgb */ color: rgb(64, 80, 204);
/* oklch */ color: oklch(49.5% 0.191 271.8);

Tailwind

colors: {
  custom: {
    50: '#8681dc',
    500: '#4050cc',
    950: '#000000',
  },
}

SCSS

$custom: #4050cc;
$custom-light: #8681dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4050cc",
  "rgb": {
    "r": 64,
    "g": 80,
    "b": 204
  },
  "hsl": {
    "h": 233.143,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.49544,
    "c": 0.19096,
    "h": 271.8
  },
  "luminance": 0.11187
}

Semantic roles & 50–950 ramp

primary

#4050CC

secondary

#D2CB95

accent

#CF47E1

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #4050CC

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

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