#2C42B8#2C42B8

#2C42B8 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.2% C 0.187 H 268.9°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#2C42B8
RGB	rgb(44, 66, 184)
HSL	hsl(231, 61%, 45%)
HSV	hsv(231, 76%, 72%)
CMYK	cmyk(76.1%, 64.1%, 0%, 27.8%)
CIE-LAB	lab(33.76, 33.81, -64.55)
CIE-LCH	lch(33.76, 72.87, 297.64°)
OKLab	oklab(44.22% -0.0035 -0.1867)
OKLCH	oklch(44.22% 0.187 268.9)
XYZ	xyz(11.6357, 7.8913, 46.2481)
Luminance	0.0789 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.01

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C42B8 #B8A22C

analogous

#2C88B8 #2C42B8 #5C2CB8

triadic

#2C42B8 #B82C42 #42B82C

tetradic

#2C42B8 #B82C88 #B8A22C #2CB85C

square

#2C42B8 #B82C88 #B8A22C #2CB85C

split-complementary

#2C42B8 #B85C2C #88B82C

monochromatic

#141F55 #203087 #2C42B8 #4D62D4 #7E8EE0

Accessibility & contrast

On white

8.14

#2C42B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#2C42B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C42B8

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C42B8	#FFFFFF	#000000	##FFFFFF
##2C42B8	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BC

Deuteranopia (green-blind)

#0049B6

Tritanopia (blue-blind)

#006177

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2c42b8;
/* rgb */ color: rgb(44, 66, 184);
/* oklch */ color: oklch(44.2% 0.187 268.9);

Tailwind

colors: {
  custom: {
    50: '#7b76ce',
    500: '#2c42b8',
    950: '#000000',
  },
}

SCSS

$custom: #2c42b8;
$custom-light: #7b76ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2c42b8",
  "rgb": {
    "r": 44,
    "g": 66,
    "b": 184
  },
  "hsl": {
    "h": 230.571,
    "s": 61.404,
    "l": 44.706
  },
  "oklch": {
    "l": 0.44223,
    "c": 0.18673,
    "h": 268.9
  },
  "luminance": 0.07893
}

Semantic roles & 50–950 ramp

primary

#2C42B8

secondary

#C9BC77

accent

#CB43E5

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2C42B8

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

Preview Lab → · Contrast checker → · Palette generator →