#333BA1#333BA1

#333BA1 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.2% C 0.163 H 273.4°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#333BA1
RGB	rgb(51, 59, 161)
HSL	hsl(236, 52%, 42%)
HSV	hsv(236, 68%, 63%)
CMYK	cmyk(68.3%, 63.4%, 0%, 36.9%)
CIE-LAB	lab(30.41, 30.85, -56.27)
CIE-LCH	lch(30.41, 64.17, 298.74°)
OKLab	oklab(41.25% 0.0097 -0.1623)
OKLCH	oklch(41.25% 0.163 273.4)
XYZ	xyz(9.3601, 6.4041, 34.4541)
Luminance	0.0640 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333BA1 #A19933

analogous

#3372A1 #333BA1 #6233A1

triadic

#333BA1 #A1333B #3BA133

tetradic

#333BA1 #A13372 #A19933 #33A162

square

#333BA1 #A13372 #A19933 #33A162

split-complementary

#333BA1 #A16233 #72A133

monochromatic

#161944 #242A73 #333BA1 #4B54C6 #7A80D5

Accessibility & contrast

On white

9.21

#333BA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#333BA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333BA1

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333BA1	#FFFFFF	#000000	##FFFFFF
##333BA1	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA4

Deuteranopia (green-blind)

#00439F

Tritanopia (blue-blind)

#005568

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #333ba1;
/* rgb */ color: rgb(51, 59, 161);
/* oklch */ color: oklch(41.2% 0.163 273.4);

Tailwind

colors: {
  custom: {
    50: '#7971be',
    500: '#333ba1',
    950: '#000000',
  },
}

SCSS

$custom: #333ba1;
$custom-light: #7971be;
$custom-dark: #000000;

JSON

{
  "hex": "#333ba1",
  "rgb": {
    "r": 51,
    "g": 59,
    "b": 161
  },
  "hsl": {
    "h": 235.636,
    "s": 51.887,
    "l": 41.569
  },
  "oklch": {
    "l": 0.41249,
    "c": 0.1626,
    "h": 273.4
  },
  "luminance": 0.06405
}

Semantic roles & 50–950 ramp

primary

#333BA1

secondary

#BDB872

accent

#D14CDB

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #333BA1

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

Preview Lab → · Contrast checker → · Palette generator →