#2F4FB7#2F4FB7

#2F4FB7 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.8% C 0.169 H 266.7°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#2F4FB7
RGB	rgb(47, 79, 183)
HSL	hsl(226, 59%, 45%)
HSV	hsv(226, 74%, 72%)
CMYK	cmyk(74.3%, 56.8%, 0%, 28.2%)
CIE-LAB	lab(37.14, 25.30, -58.44)
CIE-LCH	lch(37.14, 63.68, 293.41°)
OKLab	oklab(46.75% -0.0097 -0.1685)
OKLCH	oklch(46.75% 0.169 266.7)
XYZ	xyz(12.5125, 9.6138, 45.9868)
Luminance	0.0961 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4FB7 #B7972F

analogous

#2F93B7 #2F4FB7 #532FB7

triadic

#2F4FB7 #B72F4F #4FB72F

tetradic

#2F4FB7 #B72F93 #B7972F #2FB753

square

#2F4FB7 #B72F93 #B7972F #2FB753

split-complementary

#2F4FB7 #B7532F #93B72F

monochromatic

#162556 #223A86 #2F4FB7 #516FD2 #8298DF

Accessibility & contrast

On white

7.18

#2F4FB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#2F4FB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4FB7

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4FB7	#FFFFFF	#000000	##FFFFFF
##2F4FB7	1.00	7.18	2.92	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EBB

Deuteranopia (green-blind)

#0051B5

Tritanopia (blue-blind)

#00697B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2f4fb7;
/* rgb */ color: rgb(47, 79, 183);
/* oklch */ color: oklch(46.8% 0.169 266.7);

Tailwind

colors: {
  custom: {
    50: '#7b7fcd',
    500: '#2f4fb7',
    950: '#000000',
  },
}

SCSS

$custom: #2f4fb7;
$custom-light: #7b7fcd;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4fb7",
  "rgb": {
    "r": 47,
    "g": 79,
    "b": 183
  },
  "hsl": {
    "h": 225.882,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.4675,
    "c": 0.1688,
    "h": 266.7
  },
  "luminance": 0.09615
}

Semantic roles & 50–950 ramp

primary

#2F4FB7

secondary

#C8B67A

accent

#BD45E2

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2F4FB7

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

Preview Lab → · Contrast checker → · Palette generator →