#2847BA#2847BA

#2847BA is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.2% C 0.184 H 266.9°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#2847BA
RGB	rgb(40, 71, 186)
HSL	hsl(227, 65%, 44%)
HSV	hsv(227, 78%, 73%)
CMYK	cmyk(78.5%, 61.8%, 0%, 27.1%)
CIE-LAB	lab(35.01, 30.90, -63.69)
CIE-LCH	lch(35.01, 70.79, 295.88°)
OKLab	oklab(45.15% -0.0101 -0.1842)
OKLCH	oklch(45.15% 0.184 266.9)
XYZ	xyz(11.9881, 8.5014, 47.4540)
Luminance	0.0850 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2847BA #BA9B28

analogous

#2890BA #2847BA #5228BA

triadic

#2847BA #BA2847 #47BA28

tetradic

#2847BA #BA2890 #BA9B28 #28BA52

square

#2847BA #BA2890 #BA9B28 #28BA52

split-complementary

#2847BA #BA5228 #90BA28

monochromatic

#122155 #1D3488 #2847BA #4866D8 #7A90E2

Accessibility & contrast

On white

7.78

#2847BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#2847BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2847BA

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2847BA	#FFFFFF	#000000	##FFFFFF
##2847BA	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BE

Deuteranopia (green-blind)

#004CB8

Tritanopia (blue-blind)

#006579

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2847ba;
/* rgb */ color: rgb(40, 71, 186);
/* oklch */ color: oklch(45.2% 0.184 266.9);

Tailwind

colors: {
  custom: {
    50: '#7a7ad0',
    500: '#2847ba',
    950: '#000000',
  },
}

SCSS

$custom: #2847ba;
$custom-light: #7a7ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#2847ba",
  "rgb": {
    "r": 40,
    "g": 71,
    "b": 186
  },
  "hsl": {
    "h": 227.26,
    "s": 64.602,
    "l": 44.314
  },
  "oklch": {
    "l": 0.45152,
    "c": 0.18448,
    "h": 266.9
  },
  "luminance": 0.08503
}

Semantic roles & 50–950 ramp

primary

#2847BA

secondary

#CAB873

accent

#C440E8

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2847BA

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

Preview Lab → · Contrast checker → · Palette generator →