#2F50B4#2F50B4

#2F50B4 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.7% C 0.163 H 266.3°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#2F50B4
RGB	rgb(47, 80, 180)
HSL	hsl(225, 59%, 45%)
HSV	hsv(225, 74%, 71%)
CMYK	cmyk(73.9%, 55.6%, 0%, 29.4%)
CIE-LAB	lab(37.18, 23.52, -56.60)
CIE-LCH	lch(37.18, 61.29, 292.56°)
OKLab	oklab(46.71% -0.0106 -0.1631)
OKLCH	oklch(46.71% 0.163 266.3)
XYZ	xyz(12.2763, 9.6356, 44.3840)
Luminance	0.0964 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F50B4 #B4932F

analogous

#2F92B4 #2F50B4 #512FB4

triadic

#2F50B4 #B42F50 #50B42F

tetradic

#2F50B4 #B42F92 #B4932F #2FB451

square

#2F50B4 #B42F92 #B4932F #2FB451

split-complementary

#2F50B4 #B4512F #92B42F

monochromatic

#162553 #223A83 #2F50B4 #4F6FD1 #8097DE

Accessibility & contrast

On white

7.17

#2F50B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#2F50B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F50B4

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F50B4	#FFFFFF	#000000	##FFFFFF
##2F50B4	1.00	7.17	2.93	7.17
#FFFFFF	7.17	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB7

Deuteranopia (green-blind)

#0052B2

Tritanopia (blue-blind)

#00687A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2f50b4;
/* rgb */ color: rgb(47, 80, 180);
/* oklch */ color: oklch(46.7% 0.163 266.3);

Tailwind

colors: {
  custom: {
    50: '#7a80cb',
    500: '#2f50b4',
    950: '#000000',
  },
}

SCSS

$custom: #2f50b4;
$custom-light: #7a80cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f50b4",
  "rgb": {
    "r": 47,
    "g": 80,
    "b": 180
  },
  "hsl": {
    "h": 225.113,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.46709,
    "c": 0.16347,
    "h": 266.3
  },
  "luminance": 0.09637
}

Semantic roles & 50–950 ramp

primary

#2F50B4

secondary

#C7B378

accent

#BB46E2

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #2F50B4

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

Preview Lab → · Contrast checker → · Palette generator →