#2C539B#2C539B

#2C539B is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.3% C 0.126 H 261.4°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#2C539B
RGB	rgb(44, 83, 155)
HSL	hsl(219, 56%, 39%)
HSV	hsv(219, 72%, 61%)
CMYK	cmyk(71.6%, 46.5%, 0%, 39.2%)
CIE-LAB	lab(36.15, 11.61, -43.37)
CIE-LCH	lch(36.15, 44.90, 284.99°)
OKLab	oklab(45.34% -0.0187 -0.1242)
OKLCH	oklch(45.34% 0.126 261.4)
XYZ	xyz(10.0462, 9.0875, 32.2286)
Luminance	0.0909 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C539B #9B742C

analogous

#2C8B9B #2C539B #3D2C9B

triadic

#2C539B #9B2C53 #539B2C

tetradic

#2C539B #9B2C8B #9B742C #2C9B3D

square

#2C539B #9B2C8B #9B742C #2C9B3D

split-complementary

#2C539B #9B3D2C #8B9B2C

monochromatic

#11203C #1E396B #2C539B #3C6DC8 #6C91D5

Accessibility & contrast

On white

7.45

#2C539B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#2C539B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C539B

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C539B	#FFFFFF	#000000	##FFFFFF
##2C539B	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E5A9E

Deuteranopia (green-blind)

#18509A

Tritanopia (blue-blind)

#00646F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2c539b;
/* rgb */ color: rgb(44, 83, 155);
/* oklch */ color: oklch(45.3% 0.126 261.4);

Tailwind

colors: {
  custom: {
    50: '#7382b9',
    500: '#2c539b',
    950: '#000000',
  },
}

SCSS

$custom: #2c539b;
$custom-light: #7382b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2c539b",
  "rgb": {
    "r": 44,
    "g": 83,
    "b": 155
  },
  "hsl": {
    "h": 218.919,
    "s": 55.779,
    "l": 39.02
  },
  "oklch": {
    "l": 0.45336,
    "c": 0.12559,
    "h": 261.4
  },
  "luminance": 0.09089
}

Semantic roles & 50–950 ramp

primary

#2C539B

secondary

#BC9E67

accent

#AA49DF

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #2C539B

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

Preview Lab → · Contrast checker → · Palette generator →