#4337AC#4337AC

#4337AC is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.7% C 0.178 H 280.3°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#4337AC
RGB	rgb(67, 55, 172)
HSL	hsl(246, 52%, 45%)
HSV	hsv(246, 68%, 67%)
CMYK	cmyk(61%, 68%, 0%, 32.5%)
CIE-LAB	lab(31.59, 39.47, -60.92)
CIE-LCH	lch(31.59, 72.59, 302.94°)
OKLab	oklab(42.7% 0.032 -0.1755)
OKLCH	oklch(42.7% 0.178 280.3)
XYZ	xyz(11.1250, 6.9034, 39.7680)
Luminance	0.0690 (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

#4337AC #A0AC37

analogous

#3766AC #4337AC #7E37AC

triadic

#4337AC #AC4337 #37AC43

tetradic

#4337AC #AC3766 #A0AC37 #37AC7E

square

#4337AC #AC3766 #A0AC37 #37AC7E

split-complementary

#4337AC #AC7E37 #66AC37

monochromatic

#1F194F #31287E #4337AC #6357C9 #8E85D8

Accessibility & contrast

On white

8.82

#4337AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#4337AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4337AC

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4337AC	#FFFFFF	#000000	##FFFFFF
##4337AC	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB0

Deuteranopia (green-blind)

#0046AA

Tritanopia (blue-blind)

#00566D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #4337ac;
/* rgb */ color: rgb(67, 55, 172);
/* oklch */ color: oklch(42.7% 0.178 280.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#4337ac",
  "rgb": {
    "r": 67,
    "g": 55,
    "b": 172
  },
  "hsl": {
    "h": 246.154,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.42698,
    "c": 0.17838,
    "h": 280.3
  },
  "luminance": 0.06904
}

Semantic roles & 50–950 ramp

primary

#4337AC

secondary

#BBC27D

accent

#DB4DCC

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4337AC

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

Preview Lab → · Contrast checker → · Palette generator →