#4045C9#4045C9

#4045C9 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 47.4% C 0.200 H 274.1°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#4045C9
RGB	rgb(64, 69, 201)
HSL	hsl(238, 56%, 52%)
HSV	hsv(238, 68%, 79%)
CMYK	cmyk(68.2%, 65.7%, 0%, 21.2%)
CIE-LAB	lab(37.04, 40.24, -69.08)
CIE-LCH	lch(37.04, 79.95, 300.22°)
OKLab	oklab(47.38% 0.0142 -0.1995)
OKLCH	oklch(47.38% 0.2 274.1)
XYZ	xyz(14.7816, 9.5619, 56.3137)
Luminance	0.0956 (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

#4045C9 #C9C440

analogous

#408AC9 #4045C9 #8040C9

triadic

#4045C9 #C94045 #45C940

tetradic

#4045C9 #C9408A #C9C440 #40C980

square

#4045C9 #C9408A #C9C440 #40C980

split-complementary

#4045C9 #C98040 #8AC940

monochromatic

#1F226F #2D319F #4045C9 #7073D6 #9FA2E4

Accessibility & contrast

On white

7.21

#4045C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#4045C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4045C9

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4045C9	#FFFFFF	#000000	##FFFFFF
##4045C9	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DCD

Deuteranopia (green-blind)

#0051C6

Tritanopia (blue-blind)

#006881

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4045c9;
/* rgb */ color: rgb(64, 69, 201);
/* oklch */ color: oklch(47.4% 0.200 274.1);

Tailwind

colors: {
  custom: {
    50: '#8679db',
    500: '#4045c9',
    950: '#000000',
  },
}

SCSS

$custom: #4045c9;
$custom-light: #8679db;
$custom-dark: #000000;

JSON

{
  "hex": "#4045c9",
  "rgb": {
    "r": 64,
    "g": 69,
    "b": 201
  },
  "hsl": {
    "h": 237.81,
    "s": 55.918,
    "l": 51.961
  },
  "oklch": {
    "l": 0.47379,
    "c": 0.19999,
    "h": 274.1
  },
  "luminance": 0.09563
}

Semantic roles & 50–950 ramp

primary

#4045C9

secondary

#D0CE94

accent

#DA49DF

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4045C9

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

Preview Lab → · Contrast checker → · Palette generator →