#2C40BB#2C40BB

#2C40BB is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.1% C 0.193 H 269.3°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#2C40BB
RGB	rgb(44, 64, 187)
HSL	hsl(232, 62%, 45%)
HSV	hsv(232, 76%, 73%)
CMYK	cmyk(76.5%, 65.8%, 0%, 26.7%)
CIE-LAB	lab(33.54, 36.17, -66.68)
CIE-LCH	lch(33.54, 75.86, 298.48°)
OKLab	oklab(44.15% -0.0025 -0.1929)
OKLCH	oklch(44.15% 0.193 269.3)
XYZ	xyz(11.8387, 7.7888, 47.8835)
Luminance	0.0779 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.49

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C40BB #BBA72C

analogous

#2C88BB #2C40BB #5F2CBB

triadic

#2C40BB #BB2C40 #40BB2C

tetradic

#2C40BB #BB2C88 #BBA72C #2CBB5F

square

#2C40BB #BB2C88 #BBA72C #2CBB5F

split-complementary

#2C40BB #BB5F2C #88BB2C

monochromatic

#151E58 #202F89 #2C40BB #4F62D6 #808EE1

Accessibility & contrast

On white

8.21

#2C40BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#2C40BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C40BB

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C40BB	#FFFFFF	#000000	##FFFFFF
##2C40BB	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BF

Deuteranopia (green-blind)

#0048B9

Tritanopia (blue-blind)

#006178

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2c40bb;
/* rgb */ color: rgb(44, 64, 187);
/* oklch */ color: oklch(44.1% 0.193 269.3);

Tailwind

colors: {
  custom: {
    50: '#7c75d1',
    500: '#2c40bb',
    950: '#000000',
  },
}

SCSS

$custom: #2c40bb;
$custom-light: #7c75d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2c40bb",
  "rgb": {
    "r": 44,
    "g": 64,
    "b": 187
  },
  "hsl": {
    "h": 231.608,
    "s": 61.905,
    "l": 45.294
  },
  "oklch": {
    "l": 0.44146,
    "c": 0.19295,
    "h": 269.3
  },
  "luminance": 0.0779
}

Semantic roles & 50–950 ramp

primary

#2C40BB

secondary

#CABF79

accent

#CE43E5

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2C40BB

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

Preview Lab → · Contrast checker → · Palette generator →