#4337BF#4337BF

#4337BF is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.5% C 0.202 H 278.2°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#4337BF
RGB	rgb(67, 55, 191)
HSL	hsl(245, 55%, 48%)
HSV	hsv(245, 71%, 75%)
CMYK	cmyk(64.9%, 71.2%, 0%, 25.1%)
CIE-LAB	lab(33.32, 45.57, -69.34)
CIE-LCH	lch(33.32, 82.97, 303.31°)
OKLab	oklab(44.47% 0.0289 -0.2002)
OKLCH	oklch(44.47% 0.202 278.2)
XYZ	xyz(13.0819, 7.6862, 50.0743)
Luminance	0.0769 (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

#4337BF #B3BF37

analogous

#376FBF #4337BF #8737BF

triadic

#4337BF #BF4337 #37BF43

tetradic

#4337BF #BF376F #B3BF37 #37BF87

square

#4337BF #BF376F #B3BF37 #37BF87

split-complementary

#4337BF #BF8737 #6FBF37

monochromatic

#221C60 #32298F #4337BF #6B62D2 #9891DF

Accessibility & contrast

On white

8.28

#4337BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#4337BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4337BF

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4337BF	#FFFFFF	#000000	##FFFFFF
##4337BF	1.00	8.28	2.54	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C3

Deuteranopia (green-blind)

#0049BC

Tritanopia (blue-blind)

#005C77

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4337bf;
/* rgb */ color: rgb(67, 55, 191);
/* oklch */ color: oklch(44.5% 0.202 278.2);

Tailwind

colors: {
  custom: {
    50: '#8770d3',
    500: '#4337bf',
    950: '#000000',
  },
}

SCSS

$custom: #4337bf;
$custom-light: #8770d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4337bf",
  "rgb": {
    "r": 67,
    "g": 55,
    "b": 191
  },
  "hsl": {
    "h": 245.294,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.44472,
    "c": 0.20224,
    "h": 278.2
  },
  "luminance": 0.07687
}

Semantic roles & 50–950 ramp

primary

#4337BF

secondary

#C4CA88

accent

#DF49D1

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #4337BF

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

Preview Lab → · Contrast checker → · Palette generator →