#4337BC#4337BC

#4337BC is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.2% C 0.199 H 278.5°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#4337BC
RGB	rgb(67, 55, 188)
HSL	hsl(245, 55%, 48%)
HSV	hsv(245, 71%, 74%)
CMYK	cmyk(64.4%, 70.7%, 0%, 26.3%)
CIE-LAB	lab(33.04, 44.61, -68.04)
CIE-LCH	lch(33.04, 81.36, 303.25°)
OKLab	oklab(44.19% 0.0294 -0.1963)
OKLCH	oklch(44.19% 0.199 278.5)
XYZ	xyz(12.7551, 7.5555, 48.3534)
Luminance	0.0756 (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

#4337BC #B0BC37

analogous

#376DBC #4337BC #8637BC

triadic

#4337BC #BC4337 #37BC43

tetradic

#4337BC #BC376D #B0BC37 #37BC86

square

#4337BC #BC376D #B0BC37 #37BC86

split-complementary

#4337BC #BC8637 #6DBC37

monochromatic

#211B5D #32298D #4337BC #6A60D0 #968FDE

Accessibility & contrast

On white

8.36

#4337BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#4337BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4337BC

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4337BC	#FFFFFF	#000000	##FFFFFF
##4337BC	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C0

Deuteranopia (green-blind)

#0048BA

Tritanopia (blue-blind)

#005B75

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4337bc;
/* rgb */ color: rgb(67, 55, 188);
/* oklch */ color: oklch(44.2% 0.199 278.5);

Tailwind

colors: {
  custom: {
    50: '#866fd1',
    500: '#4337bc',
    950: '#000000',
  },
}

SCSS

$custom: #4337bc;
$custom-light: #866fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4337bc",
  "rgb": {
    "r": 67,
    "g": 55,
    "b": 188
  },
  "hsl": {
    "h": 245.414,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.44185,
    "c": 0.19854,
    "h": 278.5
  },
  "luminance": 0.07557
}

Semantic roles & 50–950 ramp

primary

#4337BC

secondary

#C3C986

accent

#DE4AD1

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0D0714

muted

#7D7A83

Preview Lab

Preview with #4337BC

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

Preview Lab → · Contrast checker → · Palette generator →