#2856B3#2856B3

#2856B3 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.6% C 0.157 H 262.4°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#2856B3
RGB	rgb(40, 86, 179)
HSL	hsl(220, 63%, 43%)
HSV	hsv(220, 78%, 70%)
CMYK	cmyk(77.7%, 52%, 0%, 29.8%)
CIE-LAB	lab(38.48, 18.33, -53.92)
CIE-LCH	lch(38.48, 56.95, 288.77°)
OKLab	oklab(47.59% -0.0208 -0.1552)
OKLCH	oklch(47.59% 0.157 262.4)
XYZ	xyz(12.3366, 10.3599, 43.9886)
Luminance	0.1036 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2856B3 #B38528

analogous

#289BB3 #2856B3 #4028B3

triadic

#2856B3 #B32856 #56B328

tetradic

#2856B3 #B3289B #B38528 #28B340

square

#2856B3 #B3289B #B38528 #28B340

split-complementary

#2856B3 #B34028 #9BB328

monochromatic

#12264F #1D3E81 #2856B3 #4373D5 #7599E0

Accessibility & contrast

On white

6.84

#2856B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#2856B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2856B3

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2856B3	#FFFFFF	#000000	##FFFFFF
##2856B3	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1761B6

Deuteranopia (green-blind)

#0055B1

Tritanopia (blue-blind)

#006D7C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2856b3;
/* rgb */ color: rgb(40, 86, 179);
/* oklch */ color: oklch(47.6% 0.157 262.4);

Tailwind

colors: {
  custom: {
    50: '#7785ca',
    500: '#2856b3',
    950: '#000000',
  },
}

SCSS

$custom: #2856b3;
$custom-light: #7785ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2856b3",
  "rgb": {
    "r": 40,
    "g": 86,
    "b": 179
  },
  "hsl": {
    "h": 220.144,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.47594,
    "c": 0.15663,
    "h": 262.4
  },
  "luminance": 0.10361
}

Semantic roles & 50–950 ramp

primary

#2856B3

secondary

#C8AA6F

accent

#B041E6

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2856B3

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

Preview Lab → · Contrast checker → · Palette generator →