#2B48B0#2B48B0

#2B48B0 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.6% C 0.169 H 267.2°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#2B48B0
RGB	rgb(43, 72, 176)
HSL	hsl(227, 61%, 43%)
HSV	hsv(227, 76%, 69%)
CMYK	cmyk(75.6%, 59.1%, 0%, 31%)
CIE-LAB	lab(34.56, 26.80, -58.50)
CIE-LCH	lch(34.56, 64.35, 294.62°)
OKLab	oklab(44.6% -0.0083 -0.1689)
OKLCH	oklch(44.6% 0.169 267.2)
XYZ	xyz(11.1474, 8.2817, 42.0769)
Luminance	0.0828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B48B0 #B0932B

analogous

#2B8BB0 #2B48B0 #502BB0

triadic

#2B48B0 #B02B48 #48B02B

tetradic

#2B48B0 #B02B8B #B0932B #2BB050

square

#2B48B0 #B02B8B #B0932B #2BB050

split-complementary

#2B48B0 #B0502B #8BB02B

monochromatic

#13204E #1F347F #2B48B0 #4665D2 #788EDE

Accessibility & contrast

On white

7.90

#2B48B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#2B48B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B48B0

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B48B0	#FFFFFF	#000000	##FFFFFF
##2B48B0	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B3

Deuteranopia (green-blind)

#004BAE

Tritanopia (blue-blind)

#006275

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2b48b0;
/* rgb */ color: rgb(43, 72, 176);
/* oklch */ color: oklch(44.6% 0.169 267.2);

Tailwind

colors: {
  custom: {
    50: '#787ac8',
    500: '#2b48b0',
    950: '#000000',
  },
}

SCSS

$custom: #2b48b0;
$custom-light: #787ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b48b0",
  "rgb": {
    "r": 43,
    "g": 72,
    "b": 176
  },
  "hsl": {
    "h": 226.917,
    "s": 60.731,
    "l": 42.941
  },
  "oklch": {
    "l": 0.446,
    "c": 0.16909,
    "h": 267.2
  },
  "luminance": 0.08283
}

Semantic roles & 50–950 ramp

primary

#2B48B0

secondary

#C6B371

accent

#C144E4

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2B48B0

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

Preview Lab → · Contrast checker → · Palette generator →