#333AA4#333AA4

#333AA4 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.3% C 0.168 H 273.5°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#333AA4
RGB	rgb(51, 58, 164)
HSL	hsl(236, 53%, 42%)
HSV	hsv(236, 69%, 64%)
CMYK	cmyk(68.9%, 64.6%, 0%, 35.7%)
CIE-LAB	lab(30.42, 32.57, -58.06)
CIE-LCH	lch(30.42, 66.57, 299.29°)
OKLab	oklab(41.34% 0.0103 -0.1676)
OKLCH	oklch(41.34% 0.168 273.5)
XYZ	xyz(9.5769, 6.4094, 35.8472)
Luminance	0.0641 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333AA4 #A49D33

analogous

#3373A4 #333AA4 #6433A4

triadic

#333AA4 #A4333A #3AA433

tetradic

#333AA4 #A43373 #A49D33 #33A464

square

#333AA4 #A43373 #A49D33 #33A464

split-complementary

#333AA4 #A46433 #73A433

monochromatic

#161947 #242975 #333AA4 #4D54C8 #7B81D6

Accessibility & contrast

On white

9.20

#333AA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#333AA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333AA4

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333AA4	#FFFFFF	#000000	##FFFFFF
##333AA4	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA7

Deuteranopia (green-blind)

#0043A2

Tritanopia (blue-blind)

#005569

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #333aa4;
/* rgb */ color: rgb(51, 58, 164);
/* oklch */ color: oklch(41.3% 0.168 273.5);

Tailwind

colors: {
  custom: {
    50: '#7a70c0',
    500: '#333aa4',
    950: '#000000',
  },
}

SCSS

$custom: #333aa4;
$custom-light: #7a70c0;
$custom-dark: #000000;

JSON

{
  "hex": "#333aa4",
  "rgb": {
    "r": 51,
    "g": 58,
    "b": 164
  },
  "hsl": {
    "h": 236.283,
    "s": 52.558,
    "l": 42.157
  },
  "oklch": {
    "l": 0.41339,
    "c": 0.16789,
    "h": 273.5
  },
  "luminance": 0.0641
}

Semantic roles & 50–950 ramp

primary

#333AA4

secondary

#BFBA74

accent

#D34CDC

background

#F8F6FB

surface

#EFECF7

border

#CAC7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #333AA4

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

Preview Lab → · Contrast checker → · Palette generator →