#2847B6#2847B6

#2847B6 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.8% C 0.179 H 266.8°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#2847B6
RGB	rgb(40, 71, 182)
HSL	hsl(227, 64%, 44%)
HSV	hsv(227, 78%, 71%)
CMYK	cmyk(78%, 61%, 0%, 28.6%)
CIE-LAB	lab(34.67, 29.39, -61.89)
CIE-LCH	lch(34.67, 68.51, 295.41°)
OKLab	oklab(44.8% -0.0101 -0.1789)
OKLCH	oklch(44.8% 0.179 266.8)
XYZ	xyz(11.5689, 8.3337, 45.2457)
Luminance	0.0833 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2847B6 #B69728

analogous

#288EB6 #2847B6 #5028B6

triadic

#2847B6 #B62847 #47B628

tetradic

#2847B6 #B6288E #B69728 #28B650

square

#2847B6 #B6288E #B69728 #28B650

split-complementary

#2847B6 #B65028 #8EB628

monochromatic

#122052 #1D3384 #2847B6 #4565D6 #778EE1

Accessibility & contrast

On white

7.87

#2847B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#2847B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2847B6

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2847B6	#FFFFFF	#000000	##FFFFFF
##2847B6	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BA

Deuteranopia (green-blind)

#004BB4

Tritanopia (blue-blind)

#006377

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2847b6;
/* rgb */ color: rgb(40, 71, 182);
/* oklch */ color: oklch(44.8% 0.179 266.8);

Tailwind

colors: {
  custom: {
    50: '#7979cd',
    500: '#2847b6',
    950: '#000000',
  },
}

SCSS

$custom: #2847b6;
$custom-light: #7979cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2847b6",
  "rgb": {
    "r": 40,
    "g": 71,
    "b": 182
  },
  "hsl": {
    "h": 226.901,
    "s": 63.964,
    "l": 43.529
  },
  "oklch": {
    "l": 0.44797,
    "c": 0.17918,
    "h": 266.8
  },
  "luminance": 0.08335
}

Semantic roles & 50–950 ramp

primary

#2847B6

secondary

#C9B671

accent

#C341E7

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2847B6

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

Preview Lab → · Contrast checker → · Palette generator →