#2847A4#2847A4

#2847A4 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.3% C 0.155 H 266.1°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#2847A4
RGB	rgb(40, 71, 164)
HSL	hsl(225, 61%, 40%)
HSV	hsv(225, 76%, 64%)
CMYK	cmyk(75.6%, 56.7%, 0%, 35.7%)
CIE-LAB	lab(33.21, 22.54, -53.53)
CIE-LCH	lch(33.21, 58.08, 292.83°)
OKLab	oklab(43.26% -0.0106 -0.1544)
OKLCH	oklch(43.26% 0.155 266.1)
XYZ	xyz(9.8268, 7.6369, 36.0709)
Luminance	0.0764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2847A4 #A48528

analogous

#2885A4 #2847A4 #4728A4

triadic

#2847A4 #A42847 #47A428

tetradic

#2847A4 #A42885 #A48528 #28A447

square

#2847A4 #A42885 #A48528 #28A447

split-complementary

#2847A4 #A44728 #85A428

monochromatic

#101C42 #1C3273 #2847A4 #3A5FCF #6B87DB

Accessibility & contrast

On white

8.31

#2847A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#2847A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2847A4

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2847A4	#FFFFFF	#000000	##FFFFFF
##2847A4	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A7

Deuteranopia (green-blind)

#0049A2

Tritanopia (blue-blind)

#005E6E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2847a4;
/* rgb */ color: rgb(40, 71, 164);
/* oklch */ color: oklch(43.3% 0.155 266.1);

Tailwind

colors: {
  custom: {
    50: '#7479c0',
    500: '#2847a4',
    950: '#000000',
  },
}

SCSS

$custom: #2847a4;
$custom-light: #7479c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2847a4",
  "rgb": {
    "r": 40,
    "g": 71,
    "b": 164
  },
  "hsl": {
    "h": 225,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.43256,
    "c": 0.15474,
    "h": 266.1
  },
  "luminance": 0.07638
}

Semantic roles & 50–950 ramp

primary

#2847A4

secondary

#C1AB66

accent

#BC44E4

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2847A4

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

Preview Lab → · Contrast checker → · Palette generator →