#333DA2#333DA2

#333DA2 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.7% C 0.161 H 272.9°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#333DA2
RGB	rgb(51, 61, 162)
HSL	hsl(235, 52%, 42%)
HSV	hsv(235, 69%, 64%)
CMYK	cmyk(68.5%, 62.3%, 0%, 36.5%)
CIE-LAB	lab(30.99, 29.91, -55.92)
CIE-LCH	lch(30.99, 63.42, 298.14°)
OKLab	oklab(41.71% 0.008 -0.1613)
OKLCH	oklch(41.71% 0.161 272.9)
XYZ	xyz(9.5534, 6.6490, 34.9553)
Luminance	0.0665 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333DA2 #A29833

analogous

#3375A2 #333DA2 #6133A2

triadic

#333DA2 #A2333D #3DA233

tetradic

#333DA2 #A23375 #A29833 #33A261

square

#333DA2 #A23375 #A29833 #33A261

split-complementary

#333DA2 #A26133 #75A233

monochromatic

#161A45 #242B73 #333DA2 #4C57C7 #7A82D5

Accessibility & contrast

On white

9.01

#333DA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#333DA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333DA2

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333DA2	#FFFFFF	#000000	##FFFFFF
##333DA2	1.00	9.01	2.33	9.01
#FFFFFF	9.01	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA5

Deuteranopia (green-blind)

#0044A0

Tritanopia (blue-blind)

#005669

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #333da2;
/* rgb */ color: rgb(51, 61, 162);
/* oklch */ color: oklch(41.7% 0.161 272.9);

Tailwind

colors: {
  custom: {
    50: '#7972be',
    500: '#333da2',
    950: '#000000',
  },
}

SCSS

$custom: #333da2;
$custom-light: #7972be;
$custom-dark: #000000;

JSON

{
  "hex": "#333da2",
  "rgb": {
    "r": 51,
    "g": 61,
    "b": 162
  },
  "hsl": {
    "h": 234.595,
    "s": 52.113,
    "l": 41.765
  },
  "oklch": {
    "l": 0.41705,
    "c": 0.16147,
    "h": 272.9
  },
  "luminance": 0.0665
}

Semantic roles & 50–950 ramp

primary

#333DA2

secondary

#BEB773

accent

#CF4CDC

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #333DA2

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

Preview Lab → · Contrast checker → · Palette generator →