#2856B1#2856B1

#2856B1 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.4% C 0.154 H 262.1°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#2856B1
RGB	rgb(40, 86, 177)
HSL	hsl(220, 63%, 43%)
HSV	hsv(220, 77%, 69%)
CMYK	cmyk(77.4%, 51.4%, 0%, 30.6%)
CIE-LAB	lab(38.34, 17.55, -52.97)
CIE-LCH	lch(38.34, 55.80, 288.33°)
OKLab	oklab(47.44% -0.0211 -0.1524)
OKLCH	oklch(47.44% 0.154 262.1)
XYZ	xyz(12.1358, 10.2796, 42.9310)
Luminance	0.1028 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2856B1 #B18328

analogous

#289BB1 #2856B1 #3E28B1

triadic

#2856B1 #B12856 #56B128

tetradic

#2856B1 #B1289B #B18328 #28B13E

square

#2856B1 #B1289B #B18328 #28B13E

split-complementary

#2856B1 #B13E28 #9BB128

monochromatic

#11254D #1D3E7F #2856B1 #4273D4 #7498E0

Accessibility & contrast

On white

6.87

#2856B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#2856B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2856B1

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2856B1	#FFFFFF	#000000	##FFFFFF
##2856B1	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B61B4

Deuteranopia (green-blind)

#0054AF

Tritanopia (blue-blind)

#006C7B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2856b1;
/* rgb */ color: rgb(40, 86, 177);
/* oklch */ color: oklch(47.4% 0.154 262.1);

Tailwind

colors: {
  custom: {
    50: '#7785c9',
    500: '#2856b1',
    950: '#000000',
  },
}

SCSS

$custom: #2856b1;
$custom-light: #7785c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2856b1",
  "rgb": {
    "r": 40,
    "g": 86,
    "b": 177
  },
  "hsl": {
    "h": 219.854,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.47442,
    "c": 0.15389,
    "h": 262.1
  },
  "luminance": 0.10281
}

Semantic roles & 50–950 ramp

primary

#2856B1

secondary

#C7A96E

accent

#AF42E6

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2856B1

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

Preview Lab → · Contrast checker → · Palette generator →