#2F50B3#2F50B3

#2F50B3 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.6% C 0.162 H 266.2°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#2F50B3
RGB	rgb(47, 80, 179)
HSL	hsl(225, 58%, 44%)
HSV	hsv(225, 74%, 70%)
CMYK	cmyk(73.7%, 55.3%, 0%, 29.8%)
CIE-LAB	lab(37.11, 23.14, -56.13)
CIE-LCH	lch(37.11, 60.72, 292.40°)
OKLab	oklab(46.63% -0.0107 -0.1617)
OKLCH	oklch(46.63% 0.162 266.2)
XYZ	xyz(12.1748, 9.5950, 43.8495)
Luminance	0.0960 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F50B3 #B3922F

analogous

#2F92B3 #2F50B3 #502FB3

triadic

#2F50B3 #B32F50 #50B32F

tetradic

#2F50B3 #B32F92 #B3922F #2FB350

square

#2F50B3 #B32F92 #B3922F #2FB350

split-complementary

#2F50B3 #B3502F #92B32F

monochromatic

#162552 #223A83 #2F50B3 #4F6FD1 #7F97DD

Accessibility & contrast

On white

7.19

#2F50B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#2F50B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F50B3

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F50B3	#FFFFFF	#000000	##FFFFFF
##2F50B3	1.00	7.19	2.92	7.19
#FFFFFF	7.19	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB6

Deuteranopia (green-blind)

#0051B1

Tritanopia (blue-blind)

#006879

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2f50b3;
/* rgb */ color: rgb(47, 80, 179);
/* oklch */ color: oklch(46.6% 0.162 266.2);

Tailwind

colors: {
  custom: {
    50: '#7a80ca',
    500: '#2f50b3',
    950: '#000000',
  },
}

SCSS

$custom: #2f50b3;
$custom-light: #7a80ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f50b3",
  "rgb": {
    "r": 47,
    "g": 80,
    "b": 179
  },
  "hsl": {
    "h": 225,
    "s": 58.407,
    "l": 44.314
  },
  "oklch": {
    "l": 0.46629,
    "c": 0.16209,
    "h": 266.2
  },
  "luminance": 0.09596
}

Semantic roles & 50–950 ramp

primary

#2F50B3

secondary

#C6B378

accent

#BB46E2

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2F50B3

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

Preview Lab → · Contrast checker → · Palette generator →