#2D47B1#2D47B1

#2D47B1 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.6% C 0.171 H 268.1°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#2D47B1
RGB	rgb(45, 71, 177)
HSL	hsl(228, 59%, 44%)
HSV	hsv(228, 75%, 69%)
CMYK	cmyk(74.6%, 59.9%, 0%, 30.6%)
CIE-LAB	lab(34.47, 28.07, -59.24)
CIE-LCH	lch(34.47, 65.55, 295.36°)
OKLab	oklab(44.58% -0.0058 -0.171)
OKLCH	oklch(44.58% 0.171 268.1)
XYZ	xyz(11.2685, 8.2375, 42.5826)
Luminance	0.0824 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D47B1 #B1972D

analogous

#2D89B1 #2D47B1 #552DB1

triadic

#2D47B1 #B12D47 #47B12D

tetradic

#2D47B1 #B12D89 #B1972D #2DB155

square

#2D47B1 #B12D89 #B1972D #2DB155

split-complementary

#2D47B1 #B1552D #89B12D

monochromatic

#14204F #213380 #2D47B1 #4A65D1 #7B8EDD

Accessibility & contrast

On white

7.93

#2D47B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#2D47B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D47B1

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D47B1	#FFFFFF	#000000	##FFFFFF
##2D47B1	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	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: #2d47b1;
/* rgb */ color: rgb(45, 71, 177);
/* oklch */ color: oklch(44.6% 0.171 268.1);

Tailwind

colors: {
  custom: {
    50: '#7979c9',
    500: '#2d47b1',
    950: '#000000',
  },
}

SCSS

$custom: #2d47b1;
$custom-light: #7979c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2d47b1",
  "rgb": {
    "r": 45,
    "g": 71,
    "b": 177
  },
  "hsl": {
    "h": 228.182,
    "s": 59.459,
    "l": 43.529
  },
  "oklch": {
    "l": 0.44583,
    "c": 0.17113,
    "h": 268.1
  },
  "luminance": 0.08239
}

Semantic roles & 50–950 ramp

primary

#2D47B1

secondary

#C6B674

accent

#C445E3

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2D47B1

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

Preview Lab → · Contrast checker → · Palette generator →