#2C40AC#2C40AC

#2C40AC is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.8% C 0.173 H 269.4°. Best body text is #FFFFFF at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#2C40AC
RGB	rgb(44, 64, 172)
HSL	hsl(231, 59%, 42%)
HSV	hsv(231, 74%, 67%)
CMYK	cmyk(74.4%, 62.8%, 0%, 32.5%)
CIE-LAB	lab(32.21, 30.69, -59.95)
CIE-LCH	lch(32.21, 67.35, 297.11°)
OKLab	oklab(42.76% -0.0018 -0.1732)
OKLCH	oklch(42.76% 0.173 269.4)
XYZ	xyz(10.3159, 7.1797, 39.8639)
Luminance	0.0718 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C40AC #AC982C

analogous

#2C80AC #2C40AC #582CAC

triadic

#2C40AC #AC2C40 #40AC2C

tetradic

#2C40AC #AC2C80 #AC982C #2CAC58

square

#2C40AC #AC2C80 #AC982C #2CAC58

split-complementary

#2C40AC #AC582C #80AC2C

monochromatic

#131C4B #202E7B #2C40AC #465BD0 #7686DC

Accessibility & contrast

On white

8.62

#2C40AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#2C40AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C40AC

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C40AC	#FFFFFF	#000000	##FFFFFF
##2C40AC	1.00	8.62	2.44	8.62
#FFFFFF	8.62	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B0

Deuteranopia (green-blind)

#0046AA

Tritanopia (blue-blind)

#005C70

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2c40ac;
/* rgb */ color: rgb(44, 64, 172);
/* oklch */ color: oklch(42.8% 0.173 269.4);

Tailwind

colors: {
  custom: {
    50: '#7874c6',
    500: '#2c40ac',
    950: '#000000',
  },
}

SCSS

$custom: #2c40ac;
$custom-light: #7874c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2c40ac",
  "rgb": {
    "r": 44,
    "g": 64,
    "b": 172
  },
  "hsl": {
    "h": 230.625,
    "s": 59.259,
    "l": 42.353
  },
  "oklch": {
    "l": 0.42764,
    "c": 0.17324,
    "h": 269.4
  },
  "luminance": 0.07181
}

Semantic roles & 50–950 ramp

primary

#2C40AC

secondary

#C4B770

accent

#CA45E2

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2C40AC

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

Preview Lab → · Contrast checker → · Palette generator →