#4337AD#4337AD

#4337AD is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.8% C 0.180 H 280.2°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#4337AD
RGB	rgb(67, 55, 173)
HSL	hsl(246, 52%, 45%)
HSV	hsv(246, 68%, 68%)
CMYK	cmyk(61.3%, 68.2%, 0%, 32.2%)
CIE-LAB	lab(31.67, 39.79, -61.37)
CIE-LCH	lch(31.67, 73.14, 302.96°)
OKLab	oklab(42.79% 0.0318 -0.1768)
OKLCH	oklch(42.79% 0.18 280.2)
XYZ	xyz(11.2214, 6.9420, 40.2757)
Luminance	0.0694 (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

#4337AD #A1AD37

analogous

#3766AD #4337AD #7E37AD

triadic

#4337AD #AD4337 #37AD43

tetradic

#4337AD #AD3766 #A1AD37 #37AD7E

square

#4337AD #AD3766 #A1AD37 #37AD7E

split-complementary

#4337AD #AD7E37 #66AD37

monochromatic

#1F1950 #31287F #4337AD #6357CA #8E86D8

Accessibility & contrast

On white

8.79

#4337AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#4337AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4337AD

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4337AD	#FFFFFF	#000000	##FFFFFF
##4337AD	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB1

Deuteranopia (green-blind)

#0046AB

Tritanopia (blue-blind)

#00566D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4337ad;
/* rgb */ color: rgb(67, 55, 173);
/* oklch */ color: oklch(42.8% 0.180 280.2);

Tailwind

colors: {
  custom: {
    50: '#836fc6',
    500: '#4337ad',
    950: '#000000',
  },
}

SCSS

$custom: #4337ad;
$custom-light: #836fc6;
$custom-dark: #000000;

JSON

{
  "hex": "#4337ad",
  "rgb": {
    "r": 67,
    "g": 55,
    "b": 173
  },
  "hsl": {
    "h": 246.102,
    "s": 51.754,
    "l": 44.706
  },
  "oklch": {
    "l": 0.42789,
    "c": 0.17967,
    "h": 280.2
  },
  "luminance": 0.06943
}

Semantic roles & 50–950 ramp

primary

#4337AD

secondary

#BBC27D

accent

#DB4DCD

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4337AD

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

Preview Lab → · Contrast checker → · Palette generator →