#2F4FB5#2F4FB5

#2F4FB5 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.6% C 0.166 H 266.6°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#2F4FB5
RGB	rgb(47, 79, 181)
HSL	hsl(226, 59%, 45%)
HSV	hsv(226, 74%, 71%)
CMYK	cmyk(74%, 56.4%, 0%, 29%)
CIE-LAB	lab(36.99, 24.55, -57.51)
CIE-LCH	lch(36.99, 62.53, 293.12°)
OKLab	oklab(46.59% -0.0098 -0.1658)
OKLCH	oklch(46.59% 0.166 266.6)
XYZ	xyz(12.3058, 9.5312, 44.8983)
Luminance	0.0953 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4FB5 #B5952F

analogous

#2F92B5 #2F4FB5 #522FB5

triadic

#2F4FB5 #B52F4F #4FB52F

tetradic

#2F4FB5 #B52F92 #B5952F #2FB552

square

#2F4FB5 #B52F92 #B5952F #2FB552

split-complementary

#2F4FB5 #B5522F #92B52F

monochromatic

#162554 #223A84 #2F4FB5 #506FD1 #8097DE

Accessibility & contrast

On white

7.23

#2F4FB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#2F4FB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4FB5

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4FB5	#FFFFFF	#000000	##FFFFFF
##2F4FB5	1.00	7.23	2.91	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB9

Deuteranopia (green-blind)

#0051B3

Tritanopia (blue-blind)

#00687A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2f4fb5;
/* rgb */ color: rgb(47, 79, 181);
/* oklch */ color: oklch(46.6% 0.166 266.6);

Tailwind

colors: {
  custom: {
    50: '#7a7fcc',
    500: '#2f4fb5',
    950: '#000000',
  },
}

SCSS

$custom: #2f4fb5;
$custom-light: #7a7fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4fb5",
  "rgb": {
    "r": 47,
    "g": 79,
    "b": 181
  },
  "hsl": {
    "h": 225.672,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.46588,
    "c": 0.16608,
    "h": 266.6
  },
  "luminance": 0.09532
}

Semantic roles & 50–950 ramp

primary

#2F4FB5

secondary

#C7B479

accent

#BD46E2

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #2F4FB5

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

Preview Lab → · Contrast checker → · Palette generator →