#3337B6#3337B6

#3337B6 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.5% C 0.195 H 273.1°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#3337B6
RGB	rgb(51, 55, 182)
HSL	hsl(238, 56%, 46%)
HSV	hsv(238, 72%, 71%)
CMYK	cmyk(72%, 69.8%, 0%, 28.6%)
CIE-LAB	lab(31.38, 40.72, -67.26)
CIE-LCH	lch(31.38, 78.63, 301.19°)
OKLab	oklab(42.54% 0.0105 -0.1945)
OKLCH	oklch(42.54% 0.195 273.1)
XYZ	xyz(11.1721, 6.8125, 44.9731)
Luminance	0.0681 (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

#3337B6 #B6B233

analogous

#3378B6 #3337B6 #7033B6

triadic

#3337B6 #B63337 #37B633

tetradic

#3337B6 #B63378 #B6B233 #33B670

square

#3337B6 #B63378 #B6B233 #33B670

split-complementary

#3337B6 #B67033 #78B633

monochromatic

#181A56 #262986 #3337B6 #565AD0 #8689DD

Accessibility & contrast

On white

8.89

#3337B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#3337B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3337B6

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3337B6	#FFFFFF	#000000	##FFFFFF
##3337B6	1.00	8.89	2.36	8.89
#FFFFFF	8.89	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050BA

Deuteranopia (green-blind)

#0044B4

Tritanopia (blue-blind)

#005A72

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3337b6;
/* rgb */ color: rgb(51, 55, 182);
/* oklch */ color: oklch(42.5% 0.195 273.1);

Tailwind

colors: {
  custom: {
    50: '#7e6fcd',
    500: '#3337b6',
    950: '#000000',
  },
}

SCSS

$custom: #3337b6;
$custom-light: #7e6fcd;
$custom-dark: #000000;

JSON

{
  "hex": "#3337b6",
  "rgb": {
    "r": 51,
    "g": 55,
    "b": 182
  },
  "hsl": {
    "h": 238.168,
    "s": 56.223,
    "l": 45.686
  },
  "oklch": {
    "l": 0.42535,
    "c": 0.19478,
    "h": 273.1
  },
  "luminance": 0.06814
}

Semantic roles & 50–950 ramp

primary

#3337B6

secondary

#C7C57E

accent

#DB48E0

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #3337B6

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

Preview Lab → · Contrast checker → · Palette generator →