#4050C9#4050C9

#4050C9 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.3% C 0.187 H 271.9°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#4050C9
RGB	rgb(64, 80, 201)
HSL	hsl(233, 56%, 52%)
HSV	hsv(233, 68%, 79%)
CMYK	cmyk(68.2%, 60.2%, 0%, 21.2%)
CIE-LAB	lab(39.65, 33.42, -64.82)
CIE-LCH	lch(39.65, 72.93, 297.27°)
OKLab	oklab(49.29% 0.0061 -0.1869)
OKLCH	oklch(49.29% 0.187 271.9)
XYZ	xyz(15.5221, 11.0429, 56.5605)
Luminance	0.1104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4050C9 #C9B940

analogous

#4094C9 #4050C9 #7540C9

triadic

#4050C9 #C94050 #50C940

tetradic

#4050C9 #C94094 #C9B940 #40C975

square

#4050C9 #C94094 #C9B940 #40C975

split-complementary

#4050C9 #C97540 #94C940

monochromatic

#1F296F #2D3A9F #4050C9 #707CD6 #9FA7E4

Accessibility & contrast

On white

6.54

#4050C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#4050C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4050C9

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4050C9	#FFFFFF	#000000	##FFFFFF
##4050C9	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064CD

Deuteranopia (green-blind)

#0057C7

Tritanopia (blue-blind)

#006E85

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4050c9;
/* rgb */ color: rgb(64, 80, 201);
/* oklch */ color: oklch(49.3% 0.187 271.9);

Tailwind

colors: {
  custom: {
    50: '#8581da',
    500: '#4050c9',
    950: '#000000',
  },
}

SCSS

$custom: #4050c9;
$custom-light: #8581da;
$custom-dark: #000000;

JSON

{
  "hex": "#4050c9",
  "rgb": {
    "r": 64,
    "g": 80,
    "b": 201
  },
  "hsl": {
    "h": 232.993,
    "s": 55.918,
    "l": 51.961
  },
  "oklch": {
    "l": 0.49294,
    "c": 0.187,
    "h": 271.9
  },
  "luminance": 0.11044
}

Semantic roles & 50–950 ramp

primary

#4050C9

secondary

#D0C994

accent

#CE49DF

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #4050C9

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

Preview Lab → · Contrast checker → · Palette generator →