#2F50B5#2F50B5

#2F50B5 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.8% C 0.165 H 266.3°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#2F50B5
RGB	rgb(47, 80, 181)
HSL	hsl(225, 59%, 45%)
HSV	hsv(225, 74%, 71%)
CMYK	cmyk(74%, 55.8%, 0%, 29%)
CIE-LAB	lab(37.26, 23.89, -57.07)
CIE-LCH	lch(37.26, 61.87, 292.72°)
OKLab	oklab(46.79% -0.0106 -0.1645)
OKLCH	oklch(46.79% 0.165 266.3)
XYZ	xyz(12.3785, 9.6765, 44.9225)
Luminance	0.0968 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F50B5 #B5942F

analogous

#2F93B5 #2F50B5 #512FB5

triadic

#2F50B5 #B52F50 #50B52F

tetradic

#2F50B5 #B52F93 #B5942F #2FB551

square

#2F50B5 #B52F93 #B5942F #2FB551

split-complementary

#2F50B5 #B5512F #93B52F

monochromatic

#162554 #223B84 #2F50B5 #5070D1 #8097DE

Accessibility & contrast

On white

7.15

#2F50B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#2F50B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F50B5

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F50B5	#FFFFFF	#000000	##FFFFFF
##2F50B5	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB8

Deuteranopia (green-blind)

#0052B3

Tritanopia (blue-blind)

#00697A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2f50b5;
/* rgb */ color: rgb(47, 80, 181);
/* oklch */ color: oklch(46.8% 0.165 266.3);

Tailwind

colors: {
  custom: {
    50: '#7a80cc',
    500: '#2f50b5',
    950: '#000000',
  },
}

SCSS

$custom: #2f50b5;
$custom-light: #7a80cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f50b5",
  "rgb": {
    "r": 47,
    "g": 80,
    "b": 181
  },
  "hsl": {
    "h": 225.224,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.46789,
    "c": 0.16483,
    "h": 266.3
  },
  "luminance": 0.09678
}

Semantic roles & 50–950 ramp

primary

#2F50B5

secondary

#C7B479

accent

#BC46E2

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #2F50B5

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

Preview Lab → · Contrast checker → · Palette generator →