#3337A4#3337A4

#3337A4 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.8% C 0.172 H 274.2°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#3337A4
RGB	rgb(51, 55, 164)
HSL	hsl(238, 53%, 42%)
HSV	hsv(238, 69%, 64%)
CMYK	cmyk(68.9%, 66.5%, 0%, 35.7%)
CIE-LAB	lab(29.70, 34.48, -59.24)
CIE-LCH	lch(29.70, 68.54, 300.20°)
OKLab	oklab(40.81% 0.0125 -0.171)
OKLCH	oklch(40.81% 0.172 274.2)
XYZ	xyz(9.4300, 6.1157, 35.7982)
Luminance	0.0612 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.66

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3337A4 #A4A033

analogous

#3370A4 #3337A4 #6833A4

triadic

#3337A4 #A43337 #37A433

tetradic

#3337A4 #A43370 #A4A033 #33A468

square

#3337A4 #A43370 #A4A033 #33A468

split-complementary

#3337A4 #A46833 #70A433

monochromatic

#161847 #242775 #3337A4 #4D51C8 #7B7FD6

Accessibility & contrast

On white

9.44

#3337A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#3337A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3337A4

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3337A4	#FFFFFF	#000000	##FFFFFF
##3337A4	1.00	9.44	2.22	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA7

Deuteranopia (green-blind)

#0041A2

Tritanopia (blue-blind)

#005468

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3337a4;
/* rgb */ color: rgb(51, 55, 164);
/* oklch */ color: oklch(40.8% 0.172 274.2);

Tailwind

colors: {
  custom: {
    50: '#7a6ec0',
    500: '#3337a4',
    950: '#000000',
  },
}

SCSS

$custom: #3337a4;
$custom-light: #7a6ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#3337a4",
  "rgb": {
    "r": 51,
    "g": 55,
    "b": 164
  },
  "hsl": {
    "h": 237.876,
    "s": 52.558,
    "l": 42.157
  },
  "oklch": {
    "l": 0.40813,
    "c": 0.1715,
    "h": 274.2
  },
  "luminance": 0.06117
}

Semantic roles & 50–950 ramp

primary

#3337A4

secondary

#BFBC74

accent

#D74CDC

background

#F8F6FB

surface

#EFECF7

border

#CAC7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #3337A4

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

Preview Lab → · Contrast checker → · Palette generator →