#3337AF#3337AF

#3337AF is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.9% C 0.186 H 273.5°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#3337AF
RGB	rgb(51, 55, 175)
HSL	hsl(238, 55%, 44%)
HSV	hsv(238, 71%, 69%)
CMYK	cmyk(70.9%, 68.6%, 0%, 31.4%)
CIE-LAB	lab(30.71, 38.31, -64.19)
CIE-LCH	lch(30.71, 74.75, 300.83°)
OKLab	oklab(41.86% 0.0114 -0.1855)
OKLCH	oklch(41.86% 0.186 273.5)
XYZ	xyz(10.4667, 6.5303, 41.2580)
Luminance	0.0653 (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

#3337AF #AFAB33

analogous

#3375AF #3337AF #6D33AF

triadic

#3337AF #AF3337 #37AF33

tetradic

#3337AF #AF3375 #AFAB33 #33AF6D

square

#3337AF #AF3375 #AFAB33 #33AF6D

split-complementary

#3337AF #AF6D33 #75AF33

monochromatic

#171950 #252880 #3337AF #5256CD #8285DB

Accessibility & contrast

On white

9.11

#3337AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#3337AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3337AF

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3337AF	#FFFFFF	#000000	##FFFFFF
##3337AF	1.00	9.11	2.31	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB3

Deuteranopia (green-blind)

#0042AD

Tritanopia (blue-blind)

#00576E

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3337af;
/* rgb */ color: rgb(51, 55, 175);
/* oklch */ color: oklch(41.9% 0.186 273.5);

Tailwind

colors: {
  custom: {
    50: '#7c6ec8',
    500: '#3337af',
    950: '#000000',
  },
}

SCSS

$custom: #3337af;
$custom-light: #7c6ec8;
$custom-dark: #000000;

JSON

{
  "hex": "#3337af",
  "rgb": {
    "r": 51,
    "g": 55,
    "b": 175
  },
  "hsl": {
    "h": 238.065,
    "s": 54.867,
    "l": 44.314
  },
  "oklch": {
    "l": 0.41855,
    "c": 0.18587,
    "h": 273.5
  },
  "luminance": 0.06531
}

Semantic roles & 50–950 ramp

primary

#3337AF

secondary

#C4C17A

accent

#D94ADE

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3337AF

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

Preview Lab → · Contrast checker → · Palette generator →