#2C47B1#2C47B1

#2C47B1 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.5% C 0.171 H 267.8°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#2C47B1
RGB	rgb(44, 71, 177)
HSL	hsl(228, 60%, 43%)
HSV	hsv(228, 75%, 69%)
CMYK	cmyk(75.1%, 59.9%, 0%, 30.6%)
CIE-LAB	lab(34.43, 27.95, -59.31)
CIE-LCH	lch(34.43, 65.57, 295.24°)
OKLab	oklab(44.54% -0.0067 -0.1713)
OKLCH	oklch(44.54% 0.171 267.8)
XYZ	xyz(11.2250, 8.2151, 42.5805)
Luminance	0.0822 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C47B1 #B1962C

analogous

#2C89B1 #2C47B1 #542CB1

triadic

#2C47B1 #B12C47 #47B12C

tetradic

#2C47B1 #B12C89 #B1962C #2CB154

square

#2C47B1 #B12C89 #B1962C #2CB154

split-complementary

#2C47B1 #B1542C #89B12C

monochromatic

#14204F #203380 #2C47B1 #4964D2 #7A8EDE

Accessibility & contrast

On white

7.94

#2C47B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#2C47B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C47B1

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C47B1	#FFFFFF	#000000	##FFFFFF
##2C47B1	1.00	7.94	2.64	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.94	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: #2c47b1;
/* rgb */ color: rgb(44, 71, 177);
/* oklch */ color: oklch(44.5% 0.171 267.8);

Tailwind

colors: {
  custom: {
    50: '#7979c9',
    500: '#2c47b1',
    950: '#000000',
  },
}

SCSS

$custom: #2c47b1;
$custom-light: #7979c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2c47b1",
  "rgb": {
    "r": 44,
    "g": 71,
    "b": 177
  },
  "hsl": {
    "h": 227.82,
    "s": 60.181,
    "l": 43.333
  },
  "oklch": {
    "l": 0.44536,
    "c": 0.1714,
    "h": 267.8
  },
  "luminance": 0.08216
}

Semantic roles & 50–950 ramp

primary

#2C47B1

secondary

#C6B573

accent

#C344E3

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2C47B1

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

Preview Lab → · Contrast checker → · Palette generator →