#4037C6#4037C6

#4037C6 is a dark, highly saturated blue. Relative luminance 0.079; OKLCH L 44.9% C 0.211 H 276.4°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#4037C6
RGB	rgb(64, 55, 198)
HSL	hsl(244, 57%, 50%)
HSV	hsv(244, 72%, 78%)
CMYK	cmyk(67.7%, 72.2%, 0%, 22.4%)
CIE-LAB	lab(33.77, 47.44, -72.71)
CIE-LCH	lch(33.77, 86.82, 303.12°)
OKLab	oklab(44.94% 0.0238 -0.2101)
OKLCH	oklch(44.94% 0.211 276.4)
XYZ	xyz(13.6703, 7.8984, 54.2193)
Luminance	0.0790 (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

#4037C6 #BDC637

analogous

#3776C6 #4037C6 #8737C6

triadic

#4037C6 #C64037 #37C640

tetradic

#4037C6 #C63776 #BDC637 #37C687

square

#4037C6 #C63776 #BDC637 #37C687

split-complementary

#4037C6 #C68737 #76C637

monochromatic

#211C66 #312A96 #4037C6 #6D66D4 #9A96E2

Accessibility & contrast

On white

8.14

#4037C6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#4037C6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4037C6

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4037C6	#FFFFFF	#000000	##FFFFFF
##4037C6	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055CA

Deuteranopia (green-blind)

#0049C3

Tritanopia (blue-blind)

#005F7B

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4037c6;
/* rgb */ color: rgb(64, 55, 198);
/* oklch */ color: oklch(44.9% 0.211 276.4);

Tailwind

colors: {
  custom: {
    50: '#8770d9',
    500: '#4037c6',
    950: '#000000',
  },
}

SCSS

$custom: #4037c6;
$custom-light: #8770d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4037c6",
  "rgb": {
    "r": 64,
    "g": 55,
    "b": 198
  },
  "hsl": {
    "h": 243.776,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.44938,
    "c": 0.21143,
    "h": 276.4
  },
  "luminance": 0.079
}

Semantic roles & 50–950 ramp

primary

#4037C6

secondary

#C9CD8C

accent

#E048D6

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #4037C6

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

Preview Lab → · Contrast checker → · Palette generator →