#2C55B8#2C55B8

#2C55B8 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.9% C 0.164 H 264.2°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#2C55B8
RGB	rgb(44, 85, 184)
HSL	hsl(222, 61%, 45%)
HSV	hsv(222, 76%, 72%)
CMYK	cmyk(76.1%, 53.8%, 0%, 27.8%)
CIE-LAB	lab(38.71, 21.37, -56.48)
CIE-LCH	lch(38.71, 60.39, 290.72°)
OKLab	oklab(47.92% -0.0166 -0.1627)
OKLCH	oklch(47.92% 0.164 264.2)
XYZ	xyz(12.9359, 10.4917, 46.6815)
Luminance	0.1049 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C55B8 #B88F2C

analogous

#2C9BB8 #2C55B8 #492CB8

triadic

#2C55B8 #B82C55 #55B82C

tetradic

#2C55B8 #B82C9B #B88F2C #2CB849

square

#2C55B8 #B82C9B #B88F2C #2CB849

split-complementary

#2C55B8 #B8492C #9BB82C

monochromatic

#142755 #203E87 #2C55B8 #4D75D4 #7E9BE0

Accessibility & contrast

On white

6.78

#2C55B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#2C55B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C55B8

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C55B8	#FFFFFF	#000000	##FFFFFF
##2C55B8	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0462BB

Deuteranopia (green-blind)

#0055B6

Tritanopia (blue-blind)

#006D7E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2c55b8;
/* rgb */ color: rgb(44, 85, 184);
/* oklch */ color: oklch(47.9% 0.164 264.2);

Tailwind

colors: {
  custom: {
    50: '#7a84ce',
    500: '#2c55b8',
    950: '#000000',
  },
}

SCSS

$custom: #2c55b8;
$custom-light: #7a84ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2c55b8",
  "rgb": {
    "r": 44,
    "g": 85,
    "b": 184
  },
  "hsl": {
    "h": 222.429,
    "s": 61.404,
    "l": 44.706
  },
  "oklch": {
    "l": 0.47924,
    "c": 0.16358,
    "h": 264.2
  },
  "luminance": 0.10493
}

Semantic roles & 50–950 ramp

primary

#2C55B8

secondary

#C9B177

accent

#B543E5

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2C55B8

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

Preview Lab → · Contrast checker → · Palette generator →