#2B48B2#2B48B2

#2B48B2 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.8% C 0.172 H 267.2°. Best body text is #FFFFFF at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#2B48B2
RGB	rgb(43, 72, 178)
HSL	hsl(227, 61%, 43%)
HSV	hsv(227, 76%, 70%)
CMYK	cmyk(75.8%, 59.6%, 0%, 30.2%)
CIE-LAB	lab(34.72, 27.56, -59.42)
CIE-LCH	lch(34.72, 65.50, 294.88°)
OKLab	oklab(44.77% -0.0083 -0.1716)
OKLCH	oklch(44.77% 0.172 267.2)
XYZ	xyz(11.3467, 8.3614, 43.1268)
Luminance	0.0836 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B48B2 #B2952B

analogous

#2B8BB2 #2B48B2 #512BB2

triadic

#2B48B2 #B22B48 #48B22B

tetradic

#2B48B2 #B22B8B #B2952B #2BB251

square

#2B48B2 #B22B8B #B2952B #2BB251

split-complementary

#2B48B2 #B2512B #8BB22B

monochromatic

#13204F #1F3481 #2B48B2 #4865D3 #798FDF

Accessibility & contrast

On white

7.86

#2B48B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#2B48B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B48B2

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B48B2	#FFFFFF	#000000	##FFFFFF
##2B48B2	1.00	7.86	2.67	7.86
#FFFFFF	7.86	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B6

Deuteranopia (green-blind)

#004CB0

Tritanopia (blue-blind)

#006376

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2b48b2;
/* rgb */ color: rgb(43, 72, 178);
/* oklch */ color: oklch(44.8% 0.172 267.2);

Tailwind

colors: {
  custom: {
    50: '#797aca',
    500: '#2b48b2',
    950: '#000000',
  },
}

SCSS

$custom: #2b48b2;
$custom-light: #797aca;
$custom-dark: #000000;

JSON

{
  "hex": "#2b48b2",
  "rgb": {
    "r": 43,
    "g": 72,
    "b": 178
  },
  "hsl": {
    "h": 227.111,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.44771,
    "c": 0.1718,
    "h": 267.2
  },
  "luminance": 0.08363
}

Semantic roles & 50–950 ramp

primary

#2B48B2

secondary

#C7B472

accent

#C244E4

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2B48B2

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

Preview Lab → · Contrast checker → · Palette generator →