#2F4FB1#2F4FB1

#2F4FB1 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.3% C 0.161 H 266.4°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#2F4FB1
RGB	rgb(47, 79, 177)
HSL	hsl(225, 58%, 44%)
HSV	hsv(225, 73%, 69%)
CMYK	cmyk(73.4%, 55.4%, 0%, 30.6%)
CIE-LAB	lab(36.69, 23.05, -55.63)
CIE-LCH	lch(36.69, 60.22, 292.50°)
OKLab	oklab(46.27% -0.01 -0.1603)
OKLCH	oklch(46.27% 0.161 266.4)
XYZ	xyz(11.9013, 9.3694, 42.7677)
Luminance	0.0937 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4FB1 #B1912F

analogous

#2F90B1 #2F4FB1 #502FB1

triadic

#2F4FB1 #B12F4F #4FB12F

tetradic

#2F4FB1 #B12F90 #B1912F #2FB150

square

#2F4FB1 #B12F90 #B1912F #2FB150

split-complementary

#2F4FB1 #B1502F #90B12F

monochromatic

#152450 #223981 #2F4FB1 #4D6DD0 #7E95DD

Accessibility & contrast

On white

7.31

#2F4FB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#2F4FB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4FB1

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4FB1	#FFFFFF	#000000	##FFFFFF
##2F4FB1	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB4

Deuteranopia (green-blind)

#0051AF

Tritanopia (blue-blind)

#006778

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2f4fb1;
/* rgb */ color: rgb(47, 79, 177);
/* oklch */ color: oklch(46.3% 0.161 266.4);

Tailwind

colors: {
  custom: {
    50: '#797fc9',
    500: '#2f4fb1',
    950: '#000000',
  },
}

SCSS

$custom: #2f4fb1;
$custom-light: #797fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4fb1",
  "rgb": {
    "r": 47,
    "g": 79,
    "b": 177
  },
  "hsl": {
    "h": 225.231,
    "s": 58.036,
    "l": 43.922
  },
  "oklch": {
    "l": 0.46266,
    "c": 0.16059,
    "h": 266.4
  },
  "luminance": 0.09371
}

Semantic roles & 50–950 ramp

primary

#2F4FB1

secondary

#C5B276

accent

#BB47E1

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2F4FB1

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

Preview Lab → · Contrast checker → · Palette generator →