#4040CA#4040CA

#4040CA is a mid, highly saturated blue. Relative luminance 0.090; OKLCH L 46.7% C 0.207 H 274.9°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#4040CA
RGB	rgb(64, 64, 202)
HSL	hsl(240, 57%, 52%)
HSV	hsv(240, 68%, 79%)
CMYK	cmyk(68.3%, 68.3%, 0%, 20.8%)
CIE-LAB	lab(36.02, 43.57, -71.34)
CIE-LCH	lch(36.02, 83.60, 301.42°)
OKLab	oklab(46.67% 0.0175 -0.2061)
OKLCH	oklch(46.67% 0.207 274.9)
XYZ	xyz(14.6049, 9.0197, 56.8370)
Luminance	0.0902 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4040CA #CACA40

analogous

#4085CA #4040CA #8540CA

triadic

#4040CA #CA4040 #40CA40

tetradic

#4040CA #CA4085 #CACA40 #40CA85

square

#4040CA #CA4085 #CACA40 #40CA85

split-complementary

#4040CA #CA8540 #85CA40

monochromatic

#1F1F70 #2C2CA0 #4040CA #7070D7 #A0A0E5

Accessibility & contrast

On white

7.49

#4040CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#4040CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4040CA

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4040CA	#FFFFFF	#000000	##FFFFFF
##4040CA	1.00	7.49	2.80	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BCE

Deuteranopia (green-blind)

#004EC7

Tritanopia (blue-blind)

#006580

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4040ca;
/* rgb */ color: rgb(64, 64, 202);
/* oklch */ color: oklch(46.7% 0.207 274.9);

Tailwind

colors: {
  custom: {
    50: '#8776db',
    500: '#4040ca',
    950: '#000000',
  },
}

SCSS

$custom: #4040ca;
$custom-light: #8776db;
$custom-dark: #000000;

JSON

{
  "hex": "#4040ca",
  "rgb": {
    "r": 64,
    "g": 64,
    "b": 202
  },
  "hsl": {
    "h": 240,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.46666,
    "c": 0.20684,
    "h": 274.9
  },
  "luminance": 0.09021
}

Semantic roles & 50–950 ramp

primary

#4040CA

secondary

#D1D195

accent

#E048E0

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4040CA

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

Preview Lab → · Contrast checker → · Palette generator →