#2C3191#2C3191

#2C3191 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.5% C 0.155 H 273.8°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#2C3191
RGB	rgb(44, 49, 145)
HSL	hsl(237, 53%, 37%)
HSV	hsv(237, 70%, 57%)
CMYK	cmyk(69.7%, 66.2%, 0%, 43.1%)
CIE-LAB	lab(26.09, 30.61, -53.59)
CIE-LCH	lch(26.09, 61.71, 299.73°)
OKLab	oklab(37.53% 0.0104 -0.1547)
OKLCH	oklch(37.53% 0.155 273.8)
XYZ	xyz(7.2462, 4.7758, 27.3225)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3191 #918C2C

analogous

#2C6391 #2C3191 #5A2C91

triadic

#2C3191 #912C31 #31912C

tetradic

#2C3191 #912C63 #918C2C #2C915A

square

#2C3191 #912C63 #918C2C #2C915A

split-complementary

#2C3191 #915A2C #63912C

monochromatic

#101133 #1E2162 #2C3191 #3A41C0 #676CD1

Accessibility & contrast

On white

10.74

#2C3191 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2C3191 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3191

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3191	#FFFFFF	#000000	##FFFFFF
##2C3191	1.00	10.74	1.96	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004294

Deuteranopia (green-blind)

#00398F

Tritanopia (blue-blind)

#004A5C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2c3191;
/* rgb */ color: rgb(44, 49, 145);
/* oklch */ color: oklch(37.5% 0.155 273.8);

Tailwind

colors: {
  custom: {
    50: '#7369b2',
    500: '#2c3191',
    950: '#000000',
  },
}

SCSS

$custom: #2c3191;
$custom-light: #7369b2;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3191",
  "rgb": {
    "r": 44,
    "g": 49,
    "b": 145
  },
  "hsl": {
    "h": 237.03,
    "s": 53.439,
    "l": 37.059
  },
  "oklch": {
    "l": 0.37528,
    "c": 0.15504,
    "h": 273.8
  },
  "luminance": 0.04776
}

Semantic roles & 50–950 ramp

primary

#2C3191

secondary

#B7B362

accent

#D64BDD

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2C3191

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

Preview Lab → · Contrast checker → · Palette generator →