#2F48AB#2F48AB

#2F48AB is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.4% C 0.161 H 268.3°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#2F48AB
RGB	rgb(47, 72, 171)
HSL	hsl(228, 57%, 43%)
HSV	hsv(228, 73%, 67%)
CMYK	cmyk(72.5%, 57.9%, 0%, 32.9%)
CIE-LAB	lab(34.35, 25.43, -55.86)
CIE-LCH	lch(34.35, 61.38, 294.47°)
OKLab	oklab(44.37% -0.0048 -0.1611)
OKLCH	oklch(44.37% 0.161 268.3)
XYZ	xyz(10.8378, 8.1782, 39.5276)
Luminance	0.0818 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F48AB #AB922F

analogous

#2F86AB #2F48AB #542FAB

triadic

#2F48AB #AB2F48 #48AB2F

tetradic

#2F48AB #AB2F86 #AB922F #2FAB54

square

#2F48AB #AB2F86 #AB922F #2FAB54

split-complementary

#2F48AB #AB542F #86AB2F

monochromatic

#15204B #22347B #2F48AB #4A64CD #7A8DDA

Accessibility & contrast

On white

7.97

#2F48AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#2F48AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F48AB

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F48AB	#FFFFFF	#000000	##FFFFFF
##2F48AB	1.00	7.97	2.64	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057AE

Deuteranopia (green-blind)

#004BA9

Tritanopia (blue-blind)

#006072

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2f48ab;
/* rgb */ color: rgb(47, 72, 171);
/* oklch */ color: oklch(44.4% 0.161 268.3);

Tailwind

colors: {
  custom: {
    50: '#797ac5',
    500: '#2f48ab',
    950: '#000000',
  },
}

SCSS

$custom: #2f48ab;
$custom-light: #797ac5;
$custom-dark: #000000;

JSON

{
  "hex": "#2f48ab",
  "rgb": {
    "r": 47,
    "g": 72,
    "b": 171
  },
  "hsl": {
    "h": 227.903,
    "s": 56.881,
    "l": 42.745
  },
  "oklch": {
    "l": 0.44368,
    "c": 0.16113,
    "h": 268.3
  },
  "luminance": 0.08179
}

Semantic roles & 50–950 ramp

primary

#2F48AB

secondary

#C3B373

accent

#C148E0

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2F48AB

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

Preview Lab → · Contrast checker → · Palette generator →