#2A47B7#2A47B7

#2A47B7 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 45.0% C 0.180 H 267.3°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#2A47B7
RGB	rgb(42, 71, 183)
HSL	hsl(228, 63%, 44%)
HSV	hsv(228, 77%, 72%)
CMYK	cmyk(77%, 61.2%, 0%, 28.2%)
CIE-LAB	lab(34.84, 29.98, -62.20)
CIE-LCH	lch(34.84, 69.05, 295.73°)
OKLab	oklab(44.97% -0.0084 -0.1798)
OKLCH	oklch(44.97% 0.18 267.3)
XYZ	xyz(11.7523, 8.4163, 45.7957)
Luminance	0.0842 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A47B7 #B79A2A

analogous

#2A8EB7 #2A47B7 #542AB7

triadic

#2A47B7 #B72A47 #47B72A

tetradic

#2A47B7 #B72A8E #B79A2A #2AB754

square

#2A47B7 #B72A8E #B79A2A #2AB754

split-complementary

#2A47B7 #B7542A #8EB72A

monochromatic

#132053 #1F3485 #2A47B7 #4966D5 #7B90E1

Accessibility & contrast

On white

7.83

#2A47B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#2A47B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A47B7

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A47B7	#FFFFFF	#000000	##FFFFFF
##2A47B7	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BB

Deuteranopia (green-blind)

#004BB5

Tritanopia (blue-blind)

#006478

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2a47b7;
/* rgb */ color: rgb(42, 71, 183);
/* oklch */ color: oklch(45.0% 0.180 267.3);

Tailwind

colors: {
  custom: {
    50: '#7a7ace',
    500: '#2a47b7',
    950: '#000000',
  },
}

SCSS

$custom: #2a47b7;
$custom-light: #7a7ace;
$custom-dark: #000000;

JSON

{
  "hex": "#2a47b7",
  "rgb": {
    "r": 42,
    "g": 71,
    "b": 183
  },
  "hsl": {
    "h": 227.66,
    "s": 62.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.4497,
    "c": 0.17999,
    "h": 267.3
  },
  "luminance": 0.08418
}

Semantic roles & 50–950 ramp

primary

#2A47B7

secondary

#C9B774

accent

#C442E6

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2A47B7

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

Preview Lab → · Contrast checker → · Palette generator →