#2C55B5#2C55B5

#2C55B5 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.7% C 0.159 H 263.9°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#2C55B5
RGB	rgb(44, 85, 181)
HSL	hsl(222, 61%, 44%)
HSV	hsv(222, 76%, 71%)
CMYK	cmyk(75.7%, 53%, 0%, 29%)
CIE-LAB	lab(38.49, 20.23, -55.07)
CIE-LCH	lch(38.49, 58.66, 290.17°)
OKLab	oklab(47.69% -0.0169 -0.1586)
OKLCH	oklch(47.69% 0.159 263.9)
XYZ	xyz(12.6247, 10.3673, 45.0428)
Luminance	0.1037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C55B5 #B58C2C

analogous

#2C9AB5 #2C55B5 #482CB5

triadic

#2C55B5 #B52C55 #55B52C

tetradic

#2C55B5 #B52C9A #B58C2C #2CB548

square

#2C55B5 #B52C9A #B58C2C #2CB548

split-complementary

#2C55B5 #B5482C #9AB52C

monochromatic

#142753 #203E84 #2C55B5 #4B74D3 #7C9ADF

Accessibility & contrast

On white

6.83

#2C55B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#2C55B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C55B5

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C55B5	#FFFFFF	#000000	##FFFFFF
##2C55B5	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F61B8

Deuteranopia (green-blind)

#0055B3

Tritanopia (blue-blind)

#006C7D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2c55b5;
/* rgb */ color: rgb(44, 85, 181);
/* oklch */ color: oklch(47.7% 0.159 263.9);

Tailwind

colors: {
  custom: {
    50: '#7984cc',
    500: '#2c55b5',
    950: '#000000',
  },
}

SCSS

$custom: #2c55b5;
$custom-light: #7984cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2c55b5",
  "rgb": {
    "r": 44,
    "g": 85,
    "b": 181
  },
  "hsl": {
    "h": 222.044,
    "s": 60.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.47691,
    "c": 0.15947,
    "h": 263.9
  },
  "luminance": 0.10369
}

Semantic roles & 50–950 ramp

primary

#2C55B5

secondary

#C8AF75

accent

#B444E4

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2C55B5

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

Preview Lab → · Contrast checker → · Palette generator →