#2C40AB#2C40AB

#2C40AB is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.7% C 0.172 H 269.4°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#2C40AB
RGB	rgb(44, 64, 171)
HSL	hsl(231, 59%, 42%)
HSV	hsv(231, 74%, 67%)
CMYK	cmyk(74.3%, 62.6%, 0%, 32.9%)
CIE-LAB	lab(32.13, 30.32, -59.49)
CIE-LCH	lch(32.13, 66.77, 297.00°)
OKLab	oklab(42.67% -0.0018 -0.1719)
OKLCH	oklch(42.67% 0.172 269.4)
XYZ	xyz(10.2203, 7.1415, 39.3600)
Luminance	0.0714 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C40AB #AB972C

analogous

#2C80AB #2C40AB #572CAB

triadic

#2C40AB #AB2C40 #40AB2C

tetradic

#2C40AB #AB2C80 #AB972C #2CAB57

square

#2C40AB #AB2C80 #AB972C #2CAB57

split-complementary

#2C40AB #AB572C #80AB2C

monochromatic

#131C4A #1F2E7A #2C40AB #455BCF #7686DC

Accessibility & contrast

On white

8.65

#2C40AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#2C40AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C40AB

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C40AB	#FFFFFF	#000000	##FFFFFF
##2C40AB	1.00	8.65	2.43	8.65
#FFFFFF	8.65	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AE

Deuteranopia (green-blind)

#0046A9

Tritanopia (blue-blind)

#005C6F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2c40ab;
/* rgb */ color: rgb(44, 64, 171);
/* oklch */ color: oklch(42.7% 0.172 269.4);

Tailwind

colors: {
  custom: {
    50: '#7874c5',
    500: '#2c40ab',
    950: '#000000',
  },
}

SCSS

$custom: #2c40ab;
$custom-light: #7874c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2c40ab",
  "rgb": {
    "r": 44,
    "g": 64,
    "b": 171
  },
  "hsl": {
    "h": 230.551,
    "s": 59.07,
    "l": 42.157
  },
  "oklch": {
    "l": 0.42674,
    "c": 0.1719,
    "h": 269.4
  },
  "luminance": 0.07143
}

Semantic roles & 50–950 ramp

primary

#2C40AB

secondary

#C3B66F

accent

#CA46E2

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2C40AB

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

Preview Lab → · Contrast checker → · Palette generator →