#4045CF#4045CF

#4045CF is a mid, highly saturated blue. Relative luminance 0.099; OKLCH L 47.9% C 0.208 H 273.8°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#4045CF
RGB	rgb(64, 69, 207)
HSL	hsl(238, 60%, 53%)
HSV	hsv(238, 69%, 81%)
CMYK	cmyk(69.1%, 66.7%, 0%, 18.8%)
CIE-LAB	lab(37.57, 42.27, -71.70)
CIE-LCH	lch(37.57, 83.23, 300.52°)
OKLab	oklab(47.92% 0.0137 -0.2071)
OKLCH	oklch(47.92% 0.208 273.8)
XYZ	xyz(15.5012, 9.8498, 60.1037)
Luminance	0.0985 (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

#4045CF #CFCA40

analogous

#408CCF #4045CF #8240CF

triadic

#4045CF #CF4045 #45CF40

tetradic

#4045CF #CF408C #CFCA40 #40CF82

square

#4045CF #CF408C #CFCA40 #40CF82

split-complementary

#4045CF #CF8240 #8CCF40

monochromatic

#1E2177 #2A2FA8 #4045CF #7175DB #A2A4E8

Accessibility & contrast

On white

7.07

#4045CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#4045CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4045CF

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4045CF	#FFFFFF	#000000	##FFFFFF
##4045CF	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD3

Deuteranopia (green-blind)

#0052CC

Tritanopia (blue-blind)

#006A84

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4045cf;
/* rgb */ color: rgb(64, 69, 207);
/* oklch */ color: oklch(47.9% 0.208 273.8);

Tailwind

colors: {
  custom: {
    50: '#8779df',
    500: '#4045cf',
    950: '#000000',
  },
}

SCSS

$custom: #4045cf;
$custom-light: #8779df;
$custom-dark: #000000;

JSON

{
  "hex": "#4045cf",
  "rgb": {
    "r": 64,
    "g": 69,
    "b": 207
  },
  "hsl": {
    "h": 237.902,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.47923,
    "c": 0.20759,
    "h": 273.8
  },
  "luminance": 0.09851
}

Semantic roles & 50–950 ramp

primary

#4045CF

secondary

#D4D297

accent

#DD45E3

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4045CF

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

Preview Lab → · Contrast checker → · Palette generator →