#2B47B2#2B47B2

#2B47B2 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.6% C 0.173 H 267.5°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#2B47B2
RGB	rgb(43, 71, 178)
HSL	hsl(228, 61%, 43%)
HSV	hsv(228, 76%, 70%)
CMYK	cmyk(75.8%, 60.1%, 0%, 30.2%)
CIE-LAB	lab(34.46, 28.21, -59.85)
CIE-LCH	lch(34.46, 66.16, 295.24°)
OKLab	oklab(44.58% -0.0076 -0.1729)
OKLCH	oklch(44.58% 0.173 267.5)
XYZ	xyz(11.2826, 8.2332, 43.1054)
Luminance	0.0823 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B47B2 #B2962B

analogous

#2B8AB2 #2B47B2 #532BB2

triadic

#2B47B2 #B22B47 #47B22B

tetradic

#2B47B2 #B22B8A #B2962B #2BB253

square

#2B47B2 #B22B8A #B2962B #2BB253

split-complementary

#2B47B2 #B2532B #8AB22B

monochromatic

#13204F #1F3381 #2B47B2 #4864D3 #798EDF

Accessibility & contrast

On white

7.93

#2B47B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#2B47B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B47B2

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B47B2	#FFFFFF	#000000	##FFFFFF
##2B47B2	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)

#0058B6

Deuteranopia (green-blind)

#004BB0

Tritanopia (blue-blind)

#006275

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2b47b2;
/* rgb */ color: rgb(43, 71, 178);
/* oklch */ color: oklch(44.6% 0.173 267.5);

Tailwind

colors: {
  custom: {
    50: '#7979ca',
    500: '#2b47b2',
    950: '#000000',
  },
}

SCSS

$custom: #2b47b2;
$custom-light: #7979ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2b47b2",
  "rgb": {
    "r": 43,
    "g": 71,
    "b": 178
  },
  "hsl": {
    "h": 227.556,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.44577,
    "c": 0.17303,
    "h": 267.5
  },
  "luminance": 0.08234
}

Semantic roles & 50–950 ramp

primary

#2B47B2

secondary

#C7B572

accent

#C344E4

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2B47B2

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

Preview Lab → · Contrast checker → · Palette generator →