#4337AA#4337AA

#4337AA is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.5% C 0.176 H 280.6°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#4337AA
RGB	rgb(67, 55, 170)
HSL	hsl(246, 51%, 44%)
HSV	hsv(246, 68%, 67%)
CMYK	cmyk(60.6%, 67.6%, 0%, 33.3%)
CIE-LAB	lab(31.41, 38.82, -60.01)
CIE-LCH	lch(31.41, 71.47, 302.90°)
OKLab	oklab(42.52% 0.0322 -0.1728)
OKLCH	oklch(42.52% 0.176 280.6)
XYZ	xyz(10.9343, 6.8272, 38.7640)
Luminance	0.0683 (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

#4337AA #9EAA37

analogous

#3765AA #4337AA #7D37AA

triadic

#4337AA #AA4337 #37AA43

tetradic

#4337AA #AA3765 #9EAA37 #37AA7D

square

#4337AA #AA3765 #9EAA37 #37AA7D

split-complementary

#4337AA #AA7D37 #65AA37

monochromatic

#1F194E #31287C #4337AA #6256C8 #8D84D7

Accessibility & contrast

On white

8.88

#4337AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#4337AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4337AA

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4337AA	#FFFFFF	#000000	##FFFFFF
##4337AA	1.00	8.88	2.37	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAE

Deuteranopia (green-blind)

#0046A8

Tritanopia (blue-blind)

#00556C

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #4337aa;
/* rgb */ color: rgb(67, 55, 170);
/* oklch */ color: oklch(42.5% 0.176 280.6);

Tailwind

colors: {
  custom: {
    50: '#836fc4',
    500: '#4337aa',
    950: '#000000',
  },
}

SCSS

$custom: #4337aa;
$custom-light: #836fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#4337aa",
  "rgb": {
    "r": 67,
    "g": 55,
    "b": 170
  },
  "hsl": {
    "h": 246.261,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.42517,
    "c": 0.17582,
    "h": 280.6
  },
  "luminance": 0.06828
}

Semantic roles & 50–950 ramp

primary

#4337AA

secondary

#BAC17C

accent

#DB4DCC

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4337AA

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

Preview Lab → · Contrast checker → · Palette generator →