#2F50B1#2F50B1

#2F50B1 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.5% C 0.159 H 266.1°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#2F50B1
RGB	rgb(47, 80, 177)
HSL	hsl(225, 58%, 44%)
HSV	hsv(225, 73%, 69%)
CMYK	cmyk(73.4%, 54.8%, 0%, 30.6%)
CIE-LAB	lab(36.96, 22.39, -55.19)
CIE-LCH	lch(36.96, 59.56, 292.08°)
OKLab	oklab(46.47% -0.0108 -0.159)
OKLCH	oklch(46.47% 0.159 266.1)
XYZ	xyz(11.9740, 9.5147, 42.7919)
Luminance	0.0952 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F50B1 #B1902F

analogous

#2F91B1 #2F50B1 #4F2FB1

triadic

#2F50B1 #B12F50 #50B12F

tetradic

#2F50B1 #B12F91 #B1902F #2FB14F

square

#2F50B1 #B12F91 #B1902F #2FB14F

split-complementary

#2F50B1 #B14F2F #91B12F

monochromatic

#152450 #223A81 #2F50B1 #4D6ED0 #7E96DD

Accessibility & contrast

On white

7.23

#2F50B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#2F50B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F50B1

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F50B1	#FFFFFF	#000000	##FFFFFF
##2F50B1	1.00	7.23	2.90	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB4

Deuteranopia (green-blind)

#0051AF

Tritanopia (blue-blind)

#006878

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2f50b1;
/* rgb */ color: rgb(47, 80, 177);
/* oklch */ color: oklch(46.5% 0.159 266.1);

Tailwind

colors: {
  custom: {
    50: '#7980c9',
    500: '#2f50b1',
    950: '#000000',
  },
}

SCSS

$custom: #2f50b1;
$custom-light: #7980c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f50b1",
  "rgb": {
    "r": 47,
    "g": 80,
    "b": 177
  },
  "hsl": {
    "h": 224.769,
    "s": 58.036,
    "l": 43.922
  },
  "oklch": {
    "l": 0.4647,
    "c": 0.15934,
    "h": 266.1
  },
  "luminance": 0.09516
}

Semantic roles & 50–950 ramp

primary

#2F50B1

secondary

#C5B176

accent

#BA47E1

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2F50B1

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

Preview Lab → · Contrast checker → · Palette generator →