#2C3391#2C3391

#2C3391 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.9% C 0.153 H 273.3°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#2C3391
RGB	rgb(44, 51, 145)
HSL	hsl(236, 53%, 37%)
HSV	hsv(236, 70%, 57%)
CMYK	cmyk(69.7%, 64.8%, 0%, 43.1%)
CIE-LAB	lab(26.58, 29.30, -52.77)
CIE-LCH	lch(26.58, 60.36, 299.04°)
OKLab	oklab(37.89% 0.0088 -0.1523)
OKLCH	oklch(37.89% 0.153 273.3)
XYZ	xyz(7.3317, 4.9468, 27.3510)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3391 #918A2C

analogous

#2C6591 #2C3391 #582C91

triadic

#2C3391 #912C33 #33912C

tetradic

#2C3391 #912C65 #918A2C #2C9158

square

#2C3391 #912C65 #918A2C #2C9158

split-complementary

#2C3391 #91582C #65912C

monochromatic

#101233 #1E2262 #2C3391 #3A44C0 #676ED1

Accessibility & contrast

On white

10.56

#2C3391 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#2C3391 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3391

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3391	#FFFFFF	#000000	##FFFFFF
##2C3391	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004494

Deuteranopia (green-blind)

#003A8F

Tritanopia (blue-blind)

#004B5D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2c3391;
/* rgb */ color: rgb(44, 51, 145);
/* oklch */ color: oklch(37.9% 0.153 273.3);

Tailwind

colors: {
  custom: {
    50: '#736bb2',
    500: '#2c3391',
    950: '#000000',
  },
}

SCSS

$custom: #2c3391;
$custom-light: #736bb2;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3391",
  "rgb": {
    "r": 44,
    "g": 51,
    "b": 145
  },
  "hsl": {
    "h": 235.842,
    "s": 53.439,
    "l": 37.059
  },
  "oklch": {
    "l": 0.37892,
    "c": 0.15255,
    "h": 273.3
  },
  "luminance": 0.04947
}

Semantic roles & 50–950 ramp

primary

#2C3391

secondary

#B7B162

accent

#D34BDD

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2C3391

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

Preview Lab → · Contrast checker → · Palette generator →