#4045CC#4045CC

#4045CC is a mid, highly saturated blue. Relative luminance 0.097; OKLCH L 47.6% C 0.204 H 273.9°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#4045CC
RGB	rgb(64, 69, 204)
HSL	hsl(238, 58%, 53%)
HSV	hsv(238, 69%, 80%)
CMYK	cmyk(68.6%, 66.2%, 0%, 20%)
CIE-LAB	lab(37.31, 41.26, -70.40)
CIE-LCH	lch(37.31, 81.59, 300.37°)
OKLab	oklab(47.65% 0.014 -0.2033)
OKLCH	oklch(47.65% 0.204 273.9)
XYZ	xyz(15.1379, 9.7044, 58.1904)
Luminance	0.0971 (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

#4045CC #CCC740

analogous

#408BCC #4045CC #8140CC

triadic

#4045CC #CC4045 #45CC40

tetradic

#4045CC #CC408B #CCC740 #40CC81

square

#4045CC #CC408B #CCC740 #40CC81

split-complementary

#4045CC #CC8140 #8BCC40

monochromatic

#1F2273 #2C30A3 #4045CC #7074D9 #A1A3E6

Accessibility & contrast

On white

7.14

#4045CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#4045CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4045CC

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4045CC	#FFFFFF	#000000	##FFFFFF
##4045CC	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ED0

Deuteranopia (green-blind)

#0051C9

Tritanopia (blue-blind)

#006982

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4045cc;
/* rgb */ color: rgb(64, 69, 204);
/* oklch */ color: oklch(47.6% 0.204 273.9);

Tailwind

colors: {
  custom: {
    50: '#8779dd',
    500: '#4045cc',
    950: '#000000',
  },
}

SCSS

$custom: #4045cc;
$custom-light: #8779dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4045cc",
  "rgb": {
    "r": 64,
    "g": 69,
    "b": 204
  },
  "hsl": {
    "h": 237.857,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.4765,
    "c": 0.2038,
    "h": 273.9
  },
  "luminance": 0.09706
}

Semantic roles & 50–950 ramp

primary

#4045CC

secondary

#D2D095

accent

#DC47E1

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4045CC

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

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