#2F4EB3#2F4EB3

#2F4EB3 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.2% C 0.165 H 266.8°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#2F4EB3
RGB	rgb(47, 78, 179)
HSL	hsl(226, 58%, 44%)
HSV	hsv(226, 74%, 70%)
CMYK	cmyk(73.7%, 56.4%, 0%, 29.8%)
CIE-LAB	lab(36.57, 24.46, -57.01)
CIE-LCH	lch(36.57, 62.03, 293.22°)
OKLab	oklab(46.22% -0.0091 -0.1643)
OKLCH	oklch(46.22% 0.165 266.8)
XYZ	xyz(12.0305, 9.3065, 43.8014)
Luminance	0.0931 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4EB3 #B3942F

analogous

#2F90B3 #2F4EB3 #522FB3

triadic

#2F4EB3 #B32F4E #4EB32F

tetradic

#2F4EB3 #B32F90 #B3942F #2FB352

square

#2F4EB3 #B32F90 #B3942F #2FB352

split-complementary

#2F4EB3 #B3522F #90B32F

monochromatic

#162452 #223983 #2F4EB3 #4F6DD1 #7F95DD

Accessibility & contrast

On white

7.34

#2F4EB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#2F4EB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4EB3

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4EB3	#FFFFFF	#000000	##FFFFFF
##2F4EB3	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB6

Deuteranopia (green-blind)

#0050B1

Tritanopia (blue-blind)

#006779

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2f4eb3;
/* rgb */ color: rgb(47, 78, 179);
/* oklch */ color: oklch(46.2% 0.165 266.8);

Tailwind

colors: {
  custom: {
    50: '#7a7fca',
    500: '#2f4eb3',
    950: '#000000',
  },
}

SCSS

$custom: #2f4eb3;
$custom-light: #7a7fca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4eb3",
  "rgb": {
    "r": 47,
    "g": 78,
    "b": 179
  },
  "hsl": {
    "h": 225.909,
    "s": 58.407,
    "l": 44.314
  },
  "oklch": {
    "l": 0.46224,
    "c": 0.16459,
    "h": 266.8
  },
  "luminance": 0.09308
}

Semantic roles & 50–950 ramp

primary

#2F4EB3

secondary

#C6B478

accent

#BD46E2

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #2F4EB3

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

Preview Lab → · Contrast checker → · Palette generator →