#333BA4#333BA4

#333BA4 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.5% C 0.167 H 273.3°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#333BA4
RGB	rgb(51, 59, 164)
HSL	hsl(236, 53%, 42%)
HSV	hsv(236, 69%, 64%)
CMYK	cmyk(68.9%, 64%, 0%, 35.7%)
CIE-LAB	lab(30.67, 31.93, -57.66)
CIE-LCH	lch(30.67, 65.91, 298.97°)
OKLab	oklab(41.52% 0.0095 -0.1664)
OKLCH	oklch(41.52% 0.167 273.3)
XYZ	xyz(9.6278, 6.5112, 35.8642)
Luminance	0.0651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333BA4 #A49C33

analogous

#3374A4 #333BA4 #6333A4

triadic

#333BA4 #A4333B #3BA433

tetradic

#333BA4 #A43374 #A49C33 #33A463

square

#333BA4 #A43374 #A49C33 #33A463

split-complementary

#333BA4 #A46333 #74A433

monochromatic

#161947 #242A75 #333BA4 #4D55C8 #7B82D6

Accessibility & contrast

On white

9.12

#333BA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#333BA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333BA4

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333BA4	#FFFFFF	#000000	##FFFFFF
##333BA4	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)

#004DA7

Deuteranopia (green-blind)

#0043A2

Tritanopia (blue-blind)

#00566A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #333ba4;
/* rgb */ color: rgb(51, 59, 164);
/* oklch */ color: oklch(41.5% 0.167 273.3);

Tailwind

colors: {
  custom: {
    50: '#7a71c0',
    500: '#333ba4',
    950: '#000000',
  },
}

SCSS

$custom: #333ba4;
$custom-light: #7a71c0;
$custom-dark: #000000;

JSON

{
  "hex": "#333ba4",
  "rgb": {
    "r": 51,
    "g": 59,
    "b": 164
  },
  "hsl": {
    "h": 235.752,
    "s": 52.558,
    "l": 42.157
  },
  "oklch": {
    "l": 0.41518,
    "c": 0.16666,
    "h": 273.3
  },
  "luminance": 0.06512
}

Semantic roles & 50–950 ramp

primary

#333BA4

secondary

#BFB974

accent

#D24CDC

background

#F8F6FB

surface

#EFECF7

border

#CAC7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #333BA4

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

Preview Lab → · Contrast checker → · Palette generator →