#2C3F91#2C3F91

#2C3F91 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.2% C 0.137 H 269.4°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#2C3F91
RGB	rgb(44, 63, 145)
HSL	hsl(229, 53%, 37%)
HSV	hsv(229, 70%, 57%)
CMYK	cmyk(69.7%, 56.6%, 0%, 43.1%)
CIE-LAB	lab(29.75, 21.25, -47.62)
CIE-LCH	lch(29.75, 52.15, 294.05°)
OKLab	oklab(40.24% -0.0013 -0.137)
OKLCH	oklch(40.24% 0.137 269.4)
XYZ	xyz(7.9253, 6.1341, 27.5489)
Luminance	0.0614 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3F91 #917E2C

analogous

#2C7291 #2C3F91 #4C2C91

triadic

#2C3F91 #912C3F #3F912C

tetradic

#2C3F91 #912C72 #917E2C #2C914C

square

#2C3F91 #912C72 #917E2C #2C914C

split-complementary

#2C3F91 #914C2C #72912C

monochromatic

#101633 #1E2B62 #2C3F91 #3A53C0 #677BD1

Accessibility & contrast

On white

9.43

#2C3F91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#2C3F91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3F91

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3F91	#FFFFFF	#000000	##FFFFFF
##2C3F91	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B94

Deuteranopia (green-blind)

#00428F

Tritanopia (blue-blind)

#005361

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2c3f91;
/* rgb */ color: rgb(44, 63, 145);
/* oklch */ color: oklch(40.2% 0.137 269.4);

Tailwind

colors: {
  custom: {
    50: '#7273b2',
    500: '#2c3f91',
    950: '#000000',
  },
}

SCSS

$custom: #2c3f91;
$custom-light: #7273b2;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3f91",
  "rgb": {
    "r": 44,
    "g": 63,
    "b": 145
  },
  "hsl": {
    "h": 228.713,
    "s": 53.439,
    "l": 37.059
  },
  "oklch": {
    "l": 0.40241,
    "c": 0.13703,
    "h": 269.4
  },
  "luminance": 0.06135
}

Semantic roles & 50–950 ramp

primary

#2C3F91

secondary

#B7A762

accent

#C14BDD

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2C3F91

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

Preview Lab → · Contrast checker → · Palette generator →