#2F48B1#2F48B1

#2F48B1 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.9% C 0.169 H 268.4°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#2F48B1
RGB	rgb(47, 72, 177)
HSL	hsl(228, 58%, 44%)
HSV	hsv(228, 73%, 69%)
CMYK	cmyk(73.4%, 59.3%, 0%, 30.6%)
CIE-LAB	lab(34.83, 27.66, -58.65)
CIE-LCH	lch(34.83, 64.85, 295.25°)
OKLab	oklab(44.87% -0.0047 -0.1693)
OKLCH	oklch(44.87% 0.169 268.4)
XYZ	xyz(11.4227, 8.4122, 42.6082)
Luminance	0.0841 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F48B1 #B1982F

analogous

#2F89B1 #2F48B1 #572FB1

triadic

#2F48B1 #B12F48 #48B12F

tetradic

#2F48B1 #B12F89 #B1982F #2FB157

square

#2F48B1 #B12F89 #B1982F #2FB157

split-complementary

#2F48B1 #B1572F #89B12F

monochromatic

#152150 #223481 #2F48B1 #4D66D0 #7E90DD

Accessibility & contrast

On white

7.83

#2F48B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#2F48B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F48B1

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F48B1	#FFFFFF	#000000	##FFFFFF
##2F48B1	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)

#0058B5

Deuteranopia (green-blind)

#004CAF

Tritanopia (blue-blind)

#006275

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2f48b1;
/* rgb */ color: rgb(47, 72, 177);
/* oklch */ color: oklch(44.9% 0.169 268.4);

Tailwind

colors: {
  custom: {
    50: '#7a7ac9',
    500: '#2f48b1',
    950: '#000000',
  },
}

SCSS

$custom: #2f48b1;
$custom-light: #7a7ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f48b1",
  "rgb": {
    "r": 47,
    "g": 72,
    "b": 177
  },
  "hsl": {
    "h": 228.462,
    "s": 58.036,
    "l": 43.922
  },
  "oklch": {
    "l": 0.44872,
    "c": 0.16933,
    "h": 268.4
  },
  "luminance": 0.08413
}

Semantic roles & 50–950 ramp

primary

#2F48B1

secondary

#C5B676

accent

#C447E1

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #2F48B1

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

Preview Lab → · Contrast checker → · Palette generator →