#2C55AB#2C55AB

#2C55AB is a mid, vivid blue. Relative luminance 0.100; OKLCH L 46.9% C 0.146 H 262.9°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#2C55AB
RGB	rgb(44, 85, 171)
HSL	hsl(221, 59%, 42%)
HSV	hsv(221, 74%, 67%)
CMYK	cmyk(74.3%, 50.3%, 0%, 32.9%)
CIE-LAB	lab(37.79, 16.41, -50.30)
CIE-LCH	lch(37.79, 52.90, 288.07°)
OKLab	oklab(46.93% -0.018 -0.1445)
OKLCH	oklch(46.93% 0.146 262.9)
XYZ	xyz(11.6353, 9.9715, 39.8317)
Luminance	0.0997 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C55AB #AB822C

analogous

#2C95AB #2C55AB #432CAB

triadic

#2C55AB #AB2C55 #55AB2C

tetradic

#2C55AB #AB2C95 #AB822C #2CAB43

square

#2C55AB #AB2C95 #AB822C #2CAB43

split-complementary

#2C55AB #AB432C #95AB2C

monochromatic

#13254A #1F3D7A #2C55AB #4572CF #7697DC

Accessibility & contrast

On white

7.01

#2C55AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#2C55AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C55AB

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C55AB	#FFFFFF	#000000	##FFFFFF
##2C55AB	1.00	7.01	2.99	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#225FAE

Deuteranopia (green-blind)

#0053A9

Tritanopia (blue-blind)

#006978

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2c55ab;
/* rgb */ color: rgb(44, 85, 171);
/* oklch */ color: oklch(46.9% 0.146 262.9);

Tailwind

colors: {
  custom: {
    50: '#7784c5',
    500: '#2c55ab',
    950: '#000000',
  },
}

SCSS

$custom: #2c55ab;
$custom-light: #7784c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2c55ab",
  "rgb": {
    "r": 44,
    "g": 85,
    "b": 171
  },
  "hsl": {
    "h": 220.63,
    "s": 59.07,
    "l": 42.157
  },
  "oklch": {
    "l": 0.46933,
    "c": 0.14565,
    "h": 262.9
  },
  "luminance": 0.09973
}

Semantic roles & 50–950 ramp

primary

#2C55AB

secondary

#C3A86F

accent

#B046E2

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2C55AB

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

Preview Lab → · Contrast checker → · Palette generator →