#2847BC#2847BC

#2847BC is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.3% C 0.187 H 266.9°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#2847BC
RGB	rgb(40, 71, 188)
HSL	hsl(227, 65%, 45%)
HSV	hsv(227, 79%, 74%)
CMYK	cmyk(78.7%, 62.2%, 0%, 26.3%)
CIE-LAB	lab(35.18, 31.64, -64.59)
CIE-LCH	lch(35.18, 71.93, 296.10°)
OKLab	oklab(45.33% -0.0101 -0.1868)
OKLCH	oklch(45.33% 0.187 266.9)
XYZ	xyz(12.2022, 8.5870, 48.5816)
Luminance	0.0859 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2847BC #BC9D28

analogous

#2891BC #2847BC #5328BC

triadic

#2847BC #BC2847 #47BC28

tetradic

#2847BC #BC2891 #BC9D28 #28BC53

square

#2847BC #BC2891 #BC9D28 #28BC53

split-complementary

#2847BC #BC5328 #91BC28

monochromatic

#132157 #1D348A #2847BC #4967D8 #7B91E3

Accessibility & contrast

On white

7.73

#2847BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#2847BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2847BC

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2847BC	#FFFFFF	#000000	##FFFFFF
##2847BC	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC0

Deuteranopia (green-blind)

#004CBA

Tritanopia (blue-blind)

#00657B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2847bc;
/* rgb */ color: rgb(40, 71, 188);
/* oklch */ color: oklch(45.3% 0.187 266.9);

Tailwind

colors: {
  custom: {
    50: '#7a7ad1',
    500: '#2847bc',
    950: '#000000',
  },
}

SCSS

$custom: #2847bc;
$custom-light: #7a7ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#2847bc",
  "rgb": {
    "r": 40,
    "g": 71,
    "b": 188
  },
  "hsl": {
    "h": 227.432,
    "s": 64.912,
    "l": 44.706
  },
  "oklch": {
    "l": 0.45331,
    "c": 0.1871,
    "h": 266.9
  },
  "luminance": 0.08588
}

Semantic roles & 50–950 ramp

primary

#2847BC

secondary

#CBB975

accent

#C540E8

background

#F8F7FD

surface

#EFEDFA

border

#CAC8D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #2847BC

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

Preview Lab → · Contrast checker → · Palette generator →