#2F48A3#2F48A3

#2F48A3 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.7% C 0.150 H 268.0°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#2F48A3
RGB	rgb(47, 72, 163)
HSL	hsl(227, 55%, 41%)
HSV	hsv(227, 71%, 64%)
CMYK	cmyk(71.2%, 55.8%, 0%, 36.1%)
CIE-LAB	lab(33.74, 22.43, -52.07)
CIE-LCH	lch(33.74, 56.70, 293.30°)
OKLab	oklab(43.71% -0.0052 -0.1499)
OKLCH	oklch(43.71% 0.15 268)
XYZ	xyz(10.0982, 7.8824, 35.6325)
Luminance	0.0788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F48A3 #A38A2F

analogous

#2F82A3 #2F48A3 #502FA3

triadic

#2F48A3 #A32F48 #48A32F

tetradic

#2F48A3 #A32F82 #A38A2F #2FA350

square

#2F48A3 #A32F82 #A38A2F #2FA350

split-complementary

#2F48A3 #A3502F #82A32F

monochromatic

#141E44 #213373 #2F48A3 #4662CA #758AD7

Accessibility & contrast

On white

8.15

#2F48A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#2F48A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F48A3

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F48A3	#FFFFFF	#000000	##FFFFFF
##2F48A3	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055A6

Deuteranopia (green-blind)

#004AA1

Tritanopia (blue-blind)

#005E6E

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2f48a3;
/* rgb */ color: rgb(47, 72, 163);
/* oklch */ color: oklch(43.7% 0.150 268.0);

Tailwind

colors: {
  custom: {
    50: '#777abf',
    500: '#2f48a3',
    950: '#000000',
  },
}

SCSS

$custom: #2f48a3;
$custom-light: #777abf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f48a3",
  "rgb": {
    "r": 47,
    "g": 72,
    "b": 163
  },
  "hsl": {
    "h": 227.069,
    "s": 55.238,
    "l": 41.176
  },
  "oklch": {
    "l": 0.43714,
    "c": 0.15001,
    "h": 268
  },
  "luminance": 0.07883
}

Semantic roles & 50–950 ramp

primary

#2F48A3

secondary

#BFAE6F

accent

#BE49DF

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2F48A3

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

Preview Lab → · Contrast checker → · Palette generator →