#4037C3#4037C3

#4037C3 is a dark, highly saturated blue. Relative luminance 0.078; OKLCH L 44.6% C 0.208 H 276.7°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#4037C3
RGB	rgb(64, 55, 195)
HSL	hsl(244, 56%, 49%)
HSV	hsv(244, 72%, 76%)
CMYK	cmyk(67.2%, 71.8%, 0%, 23.5%)
CIE-LAB	lab(33.48, 46.48, -71.43)
CIE-LCH	lch(33.48, 85.23, 303.05°)
OKLab	oklab(44.64% 0.0243 -0.2064)
OKLCH	oklch(44.64% 0.208 276.7)
XYZ	xyz(13.3277, 7.7613, 52.4149)
Luminance	0.0776 (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

#4037C3 #BAC337

analogous

#3774C3 #4037C3 #8637C3

triadic

#4037C3 #C34037 #37C340

tetradic

#4037C3 #C33774 #BAC337 #37C386

square

#4037C3 #C33774 #BAC337 #37C386

split-complementary

#4037C3 #C38637 #74C337

monochromatic

#211C64 #302A93 #4037C3 #6B64D3 #9994E1

Accessibility & contrast

On white

8.23

#4037C3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#4037C3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4037C3

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4037C3	#FFFFFF	#000000	##FFFFFF
##4037C3	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C7

Deuteranopia (green-blind)

#0049C0

Tritanopia (blue-blind)

#005E79

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4037c3;
/* rgb */ color: rgb(64, 55, 195);
/* oklch */ color: oklch(44.6% 0.208 276.7);

Tailwind

colors: {
  custom: {
    50: '#8670d6',
    500: '#4037c3',
    950: '#000000',
  },
}

SCSS

$custom: #4037c3;
$custom-light: #8670d6;
$custom-dark: #000000;

JSON

{
  "hex": "#4037c3",
  "rgb": {
    "r": 64,
    "g": 55,
    "b": 195
  },
  "hsl": {
    "h": 243.857,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.44644,
    "c": 0.20778,
    "h": 276.7
  },
  "luminance": 0.07762
}

Semantic roles & 50–950 ramp

primary

#4037C3

secondary

#C8CC8A

accent

#DF49D6

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #4037C3

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

Preview Lab → · Contrast checker → · Palette generator →