#2855B3#2855B3

#2855B3 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.4% C 0.158 H 262.7°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#2855B3
RGB	rgb(40, 85, 179)
HSL	hsl(221, 63%, 43%)
HSV	hsv(221, 78%, 70%)
CMYK	cmyk(77.7%, 52.5%, 0%, 29.8%)
CIE-LAB	lab(38.20, 18.99, -54.37)
CIE-LCH	lch(38.20, 57.59, 289.25°)
OKLab	oklab(47.38% -0.0201 -0.1566)
OKLCH	oklch(47.38% 0.158 262.7)
XYZ	xyz(12.2573, 10.2014, 43.9621)
Luminance	0.1020 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2855B3 #B38628

analogous

#289AB3 #2855B3 #4128B3

triadic

#2855B3 #B32855 #55B328

tetradic

#2855B3 #B3289A #B38628 #28B341

square

#2855B3 #B3289A #B38628 #28B341

split-complementary

#2855B3 #B34128 #9AB328

monochromatic

#12254F #1D3D81 #2855B3 #4372D5 #7598E0

Accessibility & contrast

On white

6.91

#2855B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#2855B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2855B3

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2855B3	#FFFFFF	#000000	##FFFFFF
##2855B3	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1361B6

Deuteranopia (green-blind)

#0054B1

Tritanopia (blue-blind)

#006C7C

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2855b3;
/* rgb */ color: rgb(40, 85, 179);
/* oklch */ color: oklch(47.4% 0.158 262.7);

Tailwind

colors: {
  custom: {
    50: '#7784ca',
    500: '#2855b3',
    950: '#000000',
  },
}

SCSS

$custom: #2855b3;
$custom-light: #7784ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2855b3",
  "rgb": {
    "r": 40,
    "g": 85,
    "b": 179
  },
  "hsl": {
    "h": 220.576,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.47382,
    "c": 0.15787,
    "h": 262.7
  },
  "luminance": 0.10203
}

Semantic roles & 50–950 ramp

primary

#2855B3

secondary

#C8AB6F

accent

#B141E6

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2855B3

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

Preview Lab → · Contrast checker → · Palette generator →