#4040CE#4040CE

#4040CE is a mid, highly saturated blue. Relative luminance 0.092; OKLCH L 47.0% C 0.212 H 274.6°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#4040CE
RGB	rgb(64, 64, 206)
HSL	hsl(240, 59%, 53%)
HSV	hsv(240, 69%, 81%)
CMYK	cmyk(68.9%, 68.9%, 0%, 19.2%)
CIE-LAB	lab(36.39, 44.90, -73.06)
CIE-LCH	lch(36.39, 85.75, 301.57°)
OKLab	oklab(47.04% 0.017 -0.2111)
OKLCH	oklch(47.04% 0.212 274.6)
XYZ	xyz(15.0846, 9.2116, 59.3636)
Luminance	0.0921 (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

#4040CE #CECE40

analogous

#4087CE #4040CE #8740CE

triadic

#4040CE #CE4040 #40CE40

tetradic

#4040CE #CE4087 #CECE40 #40CE87

square

#4040CE #CE4087 #CECE40 #40CE87

split-complementary

#4040CE #CE8740 #87CE40

monochromatic

#1E1E75 #2B2BA6 #4040CE #7171DA #A1A1E7

Accessibility & contrast

On white

7.39

#4040CE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#4040CE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4040CE

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4040CE	#FFFFFF	#000000	##FFFFFF
##4040CE	1.00	7.39	2.84	7.39
#FFFFFF	7.39	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CD2

Deuteranopia (green-blind)

#004FCB

Tritanopia (blue-blind)

#006782

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4040ce;
/* rgb */ color: rgb(64, 64, 206);
/* oklch */ color: oklch(47.0% 0.212 274.6);

Tailwind

colors: {
  custom: {
    50: '#8876de',
    500: '#4040ce',
    950: '#000000',
  },
}

SCSS

$custom: #4040ce;
$custom-light: #8876de;
$custom-dark: #000000;

JSON

{
  "hex": "#4040ce",
  "rgb": {
    "r": 64,
    "g": 64,
    "b": 206
  },
  "hsl": {
    "h": 240,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.47041,
    "c": 0.21181,
    "h": 274.6
  },
  "luminance": 0.09213
}

Semantic roles & 50–950 ramp

primary

#4040CE

secondary

#D4D496

accent

#E245E2

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4040CE

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

Preview Lab → · Contrast checker → · Palette generator →