#2C40A8#2C40A8

#2C40A8 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.4% C 0.168 H 269.4°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#2C40A8
RGB	rgb(44, 64, 168)
HSL	hsl(230, 58%, 42%)
HSV	hsv(230, 74%, 66%)
CMYK	cmyk(73.8%, 61.9%, 0%, 34.1%)
CIE-LAB	lab(31.87, 29.21, -58.12)
CIE-LCH	lch(31.87, 65.04, 296.68°)
OKLab	oklab(42.41% -0.0017 -0.1678)
OKLCH	oklch(42.41% 0.168 269.4)
XYZ	xyz(9.9376, 7.0284, 37.8711)
Luminance	0.0703 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C40A8 #A8942C

analogous

#2C7EA8 #2C40A8 #562CA8

triadic

#2C40A8 #A82C40 #40A82C

tetradic

#2C40A8 #A82C7E #A8942C #2CA856

square

#2C40A8 #A82C7E #A8942C #2CA856

split-complementary

#2C40A8 #A8562C #7EA82C

monochromatic

#131B47 #1F2E78 #2C40A8 #435ACE #7484DB

Accessibility & contrast

On white

8.73

#2C40A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#2C40A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C40A8

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C40A8	#FFFFFF	#000000	##FFFFFF
##2C40A8	1.00	8.73	2.41	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051AB

Deuteranopia (green-blind)

#0045A6

Tritanopia (blue-blind)

#005B6E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2c40a8;
/* rgb */ color: rgb(44, 64, 168);
/* oklch */ color: oklch(42.4% 0.168 269.4);

Tailwind

colors: {
  custom: {
    50: '#7774c3',
    500: '#2c40a8',
    950: '#000000',
  },
}

SCSS

$custom: #2c40a8;
$custom-light: #7774c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2c40a8",
  "rgb": {
    "r": 44,
    "g": 64,
    "b": 168
  },
  "hsl": {
    "h": 230.323,
    "s": 58.491,
    "l": 41.569
  },
  "oklch": {
    "l": 0.42406,
    "c": 0.16785,
    "h": 269.4
  },
  "luminance": 0.07029
}

Semantic roles & 50–950 ramp

primary

#2C40A8

secondary

#C2B46E

accent

#C946E2

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2C40A8

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

Preview Lab → · Contrast checker → · Palette generator →