#3337A5#3337A5

#3337A5 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.9% C 0.173 H 274.1°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#3337A5
RGB	rgb(51, 55, 165)
HSL	hsl(238, 53%, 42%)
HSV	hsv(238, 69%, 65%)
CMYK	cmyk(69.1%, 66.7%, 0%, 35.3%)
CIE-LAB	lab(29.79, 34.83, -59.70)
CIE-LCH	lch(29.79, 69.11, 300.26°)
OKLab	oklab(40.91% 0.0124 -0.1724)
OKLCH	oklch(40.91% 0.173 274.1)
XYZ	xyz(9.5207, 6.1519, 36.2757)
Luminance	0.0615 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.55

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3337A5 #A5A133

analogous

#3370A5 #3337A5 #6833A5

triadic

#3337A5 #A53337 #37A533

tetradic

#3337A5 #A53370 #A5A133 #33A568

square

#3337A5 #A53370 #A5A133 #33A568

split-complementary

#3337A5 #A56833 #70A533

monochromatic

#161848 #252776 #3337A5 #4D51C8 #7C7FD6

Accessibility & contrast

On white

9.41

#3337A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#3337A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3337A5

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3337A5	#FFFFFF	#000000	##FFFFFF
##3337A5	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA8

Deuteranopia (green-blind)

#0041A3

Tritanopia (blue-blind)

#005469

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3337a5;
/* rgb */ color: rgb(51, 55, 165);
/* oklch */ color: oklch(40.9% 0.173 274.1);

Tailwind

colors: {
  custom: {
    50: '#7a6ec1',
    500: '#3337a5',
    950: '#000000',
  },
}

SCSS

$custom: #3337a5;
$custom-light: #7a6ec1;
$custom-dark: #000000;

JSON

{
  "hex": "#3337a5",
  "rgb": {
    "r": 51,
    "g": 55,
    "b": 165
  },
  "hsl": {
    "h": 237.895,
    "s": 52.778,
    "l": 42.353
  },
  "oklch": {
    "l": 0.40906,
    "c": 0.17283,
    "h": 274.1
  },
  "luminance": 0.06153
}

Semantic roles & 50–950 ramp

primary

#3337A5

secondary

#BFBD75

accent

#D74CDC

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #3337A5

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

Preview Lab → · Contrast checker → · Palette generator →