#333CA1#333CA1

#333CA1 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.4% C 0.161 H 273.2°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#333CA1
RGB	rgb(51, 60, 161)
HSL	hsl(235, 52%, 42%)
HSV	hsv(235, 68%, 63%)
CMYK	cmyk(68.3%, 62.7%, 0%, 36.9%)
CIE-LAB	lab(30.66, 30.20, -55.86)
CIE-LCH	lch(30.66, 63.51, 298.40°)
OKLab	oklab(41.43% 0.0089 -0.1611)
OKLCH	oklch(41.43% 0.161 273.2)
XYZ	xyz(9.4120, 6.5079, 34.4714)
Luminance	0.0651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333CA1 #A19833

analogous

#3373A1 #333CA1 #6133A1

triadic

#333CA1 #A1333C #3CA133

tetradic

#333CA1 #A13373 #A19833 #33A161

square

#333CA1 #A13373 #A19833 #33A161

split-complementary

#333CA1 #A16133 #73A133

monochromatic

#161944 #242B73 #333CA1 #4B55C6 #7A81D5

Accessibility & contrast

On white

9.12

#333CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#333CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333CA1

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333CA1	#FFFFFF	#000000	##FFFFFF
##333CA1	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA4

Deuteranopia (green-blind)

#00439F

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #333ca1;
/* rgb */ color: rgb(51, 60, 161);
/* oklch */ color: oklch(41.4% 0.161 273.2);

Tailwind

colors: {
  custom: {
    50: '#7971be',
    500: '#333ca1',
    950: '#000000',
  },
}

SCSS

$custom: #333ca1;
$custom-light: #7971be;
$custom-dark: #000000;

JSON

{
  "hex": "#333ca1",
  "rgb": {
    "r": 51,
    "g": 60,
    "b": 161
  },
  "hsl": {
    "h": 235.091,
    "s": 51.887,
    "l": 41.569
  },
  "oklch": {
    "l": 0.41432,
    "c": 0.16136,
    "h": 273.2
  },
  "luminance": 0.06509
}

Semantic roles & 50–950 ramp

primary

#333CA1

secondary

#BDB772

accent

#D04CDB

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #333CA1

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

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