#2F48B0#2F48B0

#2F48B0 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.8% C 0.168 H 268.4°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#2F48B0
RGB	rgb(47, 72, 176)
HSL	hsl(228, 58%, 44%)
HSV	hsv(228, 73%, 69%)
CMYK	cmyk(73.3%, 59.1%, 0%, 31%)
CIE-LAB	lab(34.75, 27.29, -58.19)
CIE-LCH	lch(34.75, 64.27, 295.13°)
OKLab	oklab(44.79% -0.0047 -0.1679)
OKLCH	oklch(44.79% 0.168 268.4)
XYZ	xyz(11.3234, 8.3725, 42.0852)
Luminance	0.0837 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F48B0 #B0972F

analogous

#2F88B0 #2F48B0 #562FB0

triadic

#2F48B0 #B02F48 #48B02F

tetradic

#2F48B0 #B02F88 #B0972F #2FB056

square

#2F48B0 #B02F88 #B0972F #2FB056

split-complementary

#2F48B0 #B0562F #88B02F

monochromatic

#15204F #223480 #2F48B0 #4D66CF #7D90DC

Accessibility & contrast

On white

7.85

#2F48B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#2F48B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F48B0

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F48B0	#FFFFFF	#000000	##FFFFFF
##2F48B0	1.00	7.85	2.67	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B3

Deuteranopia (green-blind)

#004CAE

Tritanopia (blue-blind)

#006275

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2f48b0;
/* rgb */ color: rgb(47, 72, 176);
/* oklch */ color: oklch(44.8% 0.168 268.4);

Tailwind

colors: {
  custom: {
    50: '#7a7ac8',
    500: '#2f48b0',
    950: '#000000',
  },
}

SCSS

$custom: #2f48b0;
$custom-light: #7a7ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f48b0",
  "rgb": {
    "r": 47,
    "g": 72,
    "b": 176
  },
  "hsl": {
    "h": 228.372,
    "s": 57.848,
    "l": 43.725
  },
  "oklch": {
    "l": 0.44788,
    "c": 0.16798,
    "h": 268.4
  },
  "luminance": 0.08374
}

Semantic roles & 50–950 ramp

primary

#2F48B0

secondary

#C5B676

accent

#C347E1

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2F48B0

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

Preview Lab → · Contrast checker → · Palette generator →