#2855BB#2855BB

#2855BB is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.0% C 0.169 H 263.4°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#2855BB
RGB	rgb(40, 85, 187)
HSL	hsl(222, 65%, 45%)
HSV	hsv(222, 79%, 73%)
CMYK	cmyk(78.6%, 54.5%, 0%, 26.7%)
CIE-LAB	lab(38.78, 22.07, -58.12)
CIE-LCH	lch(38.78, 62.17, 290.79°)
OKLab	oklab(48.01% -0.0193 -0.1676)
OKLCH	oklch(48.01% 0.169 263.4)
XYZ	xyz(13.0900, 10.5344, 48.3475)
Luminance	0.1054 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2855BB #BB8E28

analogous

#289FBB #2855BB #4528BB

triadic

#2855BB #BB2855 #55BB28

tetradic

#2855BB #BB289F #BB8E28 #28BB45

square

#2855BB #BB289F #BB8E28 #28BB45

split-complementary

#2855BB #BB4528 #9FBB28

monochromatic

#122756 #1D3E89 #2855BB #4874D8 #7B9BE3

Accessibility & contrast

On white

6.76

#2855BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#2855BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2855BB

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2855BB	#FFFFFF	#000000	##FFFFFF
##2855BB	1.00	6.76	3.11	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062BF

Deuteranopia (green-blind)

#0055B9

Tritanopia (blue-blind)

#006E7F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2855bb;
/* rgb */ color: rgb(40, 85, 187);
/* oklch */ color: oklch(48.0% 0.169 263.4);

Tailwind

colors: {
  custom: {
    50: '#7984d0',
    500: '#2855bb',
    950: '#000000',
  },
}

SCSS

$custom: #2855bb;
$custom-light: #7984d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2855bb",
  "rgb": {
    "r": 40,
    "g": 85,
    "b": 187
  },
  "hsl": {
    "h": 221.633,
    "s": 64.758,
    "l": 44.51
  },
  "oklch": {
    "l": 0.48009,
    "c": 0.16874,
    "h": 263.4
  },
  "luminance": 0.10536
}

Semantic roles & 50–950 ramp

primary

#2855BB

secondary

#CBB074

accent

#B440E8

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2855BB

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

Preview Lab → · Contrast checker → · Palette generator →