#2C40AF#2C40AF

#2C40AF is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.0% C 0.177 H 269.4°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#2C40AF
RGB	rgb(44, 64, 175)
HSL	hsl(231, 60%, 43%)
HSV	hsv(231, 75%, 69%)
CMYK	cmyk(74.9%, 63.4%, 0%, 31.4%)
CIE-LAB	lab(32.47, 31.80, -61.32)
CIE-LCH	lch(32.47, 69.07, 297.41°)
OKLab	oklab(43.04% -0.0019 -0.1772)
OKLCH	oklch(43.04% 0.177 269.4)
XYZ	xyz(10.6073, 7.2963, 41.3984)
Luminance	0.0730 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C40AF #AF9B2C

analogous

#2C81AF #2C40AF #5A2CAF

triadic

#2C40AF #AF2C40 #40AF2C

tetradic

#2C40AF #AF2C81 #AF9B2C #2CAF5A

square

#2C40AF #AF2C81 #AF9B2C #2CAF5A

split-complementary

#2C40AF #AF5A2C #81AF2C

monochromatic

#131C4D #202E7E #2C40AF #475CD1 #7888DD

Accessibility & contrast

On white

8.54

#2C40AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#2C40AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C40AF

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C40AF	#FFFFFF	#000000	##FFFFFF
##2C40AF	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B3

Deuteranopia (green-blind)

#0046AD

Tritanopia (blue-blind)

#005D71

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2c40af;
/* rgb */ color: rgb(44, 64, 175);
/* oklch */ color: oklch(43.0% 0.177 269.4);

Tailwind

colors: {
  custom: {
    50: '#7974c8',
    500: '#2c40af',
    950: '#000000',
  },
}

SCSS

$custom: #2c40af;
$custom-light: #7974c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2c40af",
  "rgb": {
    "r": 44,
    "g": 64,
    "b": 175
  },
  "hsl": {
    "h": 230.84,
    "s": 59.817,
    "l": 42.941
  },
  "oklch": {
    "l": 0.43035,
    "c": 0.17724,
    "h": 269.4
  },
  "luminance": 0.07297
}

Semantic roles & 50–950 ramp

primary

#2C40AF

secondary

#C5B872

accent

#CB45E3

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2C40AF

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

Preview Lab → · Contrast checker → · Palette generator →