#2B48B3#2B48B3

#2B48B3 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.9% C 0.173 H 267.3°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#2B48B3
RGB	rgb(43, 72, 179)
HSL	hsl(227, 61%, 44%)
HSV	hsv(227, 76%, 70%)
CMYK	cmyk(76%, 59.8%, 0%, 29.8%)
CIE-LAB	lab(34.81, 27.93, -59.88)
CIE-LCH	lch(34.81, 66.08, 295.01°)
OKLab	oklab(44.86% -0.0082 -0.1729)
OKLCH	oklch(44.86% 0.173 267.3)
XYZ	xyz(11.4475, 8.4017, 43.6575)
Luminance	0.0840 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B48B3 #B3962B

analogous

#2B8CB3 #2B48B3 #522BB3

triadic

#2B48B3 #B32B48 #48B32B

tetradic

#2B48B3 #B32B8C #B3962B #2BB352

square

#2B48B3 #B32B8C #B3962B #2BB352

split-complementary

#2B48B3 #B3522B #8CB32B

monochromatic

#132050 #1F3482 #2B48B3 #4866D3 #798FDF

Accessibility & contrast

On white

7.83

#2B48B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#2B48B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B48B3

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B48B3	#FFFFFF	#000000	##FFFFFF
##2B48B3	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)

#0058B7

Deuteranopia (green-blind)

#004CB1

Tritanopia (blue-blind)

#006376

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2b48b3;
/* rgb */ color: rgb(43, 72, 179);
/* oklch */ color: oklch(44.9% 0.173 267.3);

Tailwind

colors: {
  custom: {
    50: '#797acb',
    500: '#2b48b3',
    950: '#000000',
  },
}

SCSS

$custom: #2b48b3;
$custom-light: #797acb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b48b3",
  "rgb": {
    "r": 43,
    "g": 72,
    "b": 179
  },
  "hsl": {
    "h": 227.206,
    "s": 61.261,
    "l": 43.529
  },
  "oklch": {
    "l": 0.44857,
    "c": 0.17315,
    "h": 267.3
  },
  "luminance": 0.08403
}

Semantic roles & 50–950 ramp

primary

#2B48B3

secondary

#C7B573

accent

#C243E4

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2B48B3

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

Preview Lab → · Contrast checker → · Palette generator →