#2A47B1#2A47B1

#2A47B1 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.4% C 0.172 H 267.2°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#2A47B1
RGB	rgb(42, 71, 177)
HSL	hsl(227, 62%, 43%)
HSV	hsv(227, 76%, 69%)
CMYK	cmyk(76.3%, 59.9%, 0%, 30.6%)
CIE-LAB	lab(34.34, 27.72, -59.46)
CIE-LCH	lch(34.34, 65.61, 295.00°)
OKLab	oklab(44.45% -0.0085 -0.1718)
OKLCH	oklch(44.45% 0.172 267.2)
XYZ	xyz(11.1411, 8.1718, 42.5766)
Luminance	0.0817 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A47B1 #B1942A

analogous

#2A8AB1 #2A47B1 #502AB1

triadic

#2A47B1 #B12A47 #47B12A

tetradic

#2A47B1 #B12A8A #B1942A #2AB150

square

#2A47B1 #B12A8A #B1942A #2AB150

split-complementary

#2A47B1 #B1502A #8AB12A

monochromatic

#131F4E #1E3380 #2A47B1 #4564D3 #778DDF

Accessibility & contrast

On white

7.97

#2A47B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#2A47B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A47B1

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A47B1	#FFFFFF	#000000	##FFFFFF
##2A47B1	1.00	7.97	2.63	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B5

Deuteranopia (green-blind)

#004BAF

Tritanopia (blue-blind)

#006275

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2a47b1;
/* rgb */ color: rgb(42, 71, 177);
/* oklch */ color: oklch(44.4% 0.172 267.2);

Tailwind

colors: {
  custom: {
    50: '#7879c9',
    500: '#2a47b1',
    950: '#000000',
  },
}

SCSS

$custom: #2a47b1;
$custom-light: #7879c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a47b1",
  "rgb": {
    "r": 42,
    "g": 71,
    "b": 177
  },
  "hsl": {
    "h": 227.111,
    "s": 61.644,
    "l": 42.941
  },
  "oklch": {
    "l": 0.44445,
    "c": 0.17196,
    "h": 267.2
  },
  "luminance": 0.08173
}

Semantic roles & 50–950 ramp

primary

#2A47B1

secondary

#C6B470

accent

#C243E5

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2A47B1

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

Preview Lab → · Contrast checker → · Palette generator →