#4050CA#4050CA

#4050CA is a mid, vivid blue. Relative luminance 0.111; OKLCH L 49.4% C 0.188 H 271.9°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#4050CA
RGB	rgb(64, 80, 202)
HSL	hsl(233, 57%, 52%)
HSV	hsv(233, 68%, 79%)
CMYK	cmyk(68.3%, 60.4%, 0%, 20.8%)
CIE-LAB	lab(39.73, 33.77, -65.27)
CIE-LCH	lch(39.73, 73.49, 297.36°)
OKLab	oklab(49.38% 0.0061 -0.1882)
OKLCH	oklch(49.38% 0.188 271.9)
XYZ	xyz(15.6401, 11.0901, 57.1820)
Luminance	0.1109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4050CA #CABA40

analogous

#4095CA #4050CA #7540CA

triadic

#4050CA #CA4050 #50CA40

tetradic

#4050CA #CA4095 #CABA40 #40CA75

square

#4050CA #CA4095 #CABA40 #40CA75

split-complementary

#4050CA #CA7540 #95CA40

monochromatic

#1F2970 #2C3AA0 #4050CA #707CD7 #A0A8E5

Accessibility & contrast

On white

6.52

#4050CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#4050CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4050CA

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4050CA	#FFFFFF	#000000	##FFFFFF
##4050CA	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064CE

Deuteranopia (green-blind)

#0057C8

Tritanopia (blue-blind)

#006F85

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4050ca;
/* rgb */ color: rgb(64, 80, 202);
/* oklch */ color: oklch(49.4% 0.188 271.9);

Tailwind

colors: {
  custom: {
    50: '#8681db',
    500: '#4050ca',
    950: '#000000',
  },
}

SCSS

$custom: #4050ca;
$custom-light: #8681db;
$custom-dark: #000000;

JSON

{
  "hex": "#4050ca",
  "rgb": {
    "r": 64,
    "g": 80,
    "b": 202
  },
  "hsl": {
    "h": 233.043,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.49377,
    "c": 0.18833,
    "h": 271.9
  },
  "luminance": 0.11092
}

Semantic roles & 50–950 ramp

primary

#4050CA

secondary

#D1CA95

accent

#CE48E0

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #4050CA

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

Preview Lab → · Contrast checker → · Palette generator →