#2F4FB0#2F4FB0

#2F4FB0 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.2% C 0.159 H 266.4°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#2F4FB0
RGB	rgb(47, 79, 176)
HSL	hsl(225, 58%, 44%)
HSV	hsv(225, 73%, 69%)
CMYK	cmyk(73.3%, 55.1%, 0%, 31%)
CIE-LAB	lab(36.61, 22.67, -55.16)
CIE-LCH	lch(36.61, 59.64, 292.34°)
OKLab	oklab(46.19% -0.0101 -0.1589)
OKLCH	oklch(46.19% 0.159 266.4)
XYZ	xyz(11.8020, 9.3296, 42.2447)
Luminance	0.0933 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4FB0 #B0902F

analogous

#2F8FB0 #2F4FB0 #4F2FB0

triadic

#2F4FB0 #B02F4F #4FB02F

tetradic

#2F4FB0 #B02F8F #B0902F #2FB04F

square

#2F4FB0 #B02F8F #B0902F #2FB04F

split-complementary

#2F4FB0 #B04F2F #8FB02F

monochromatic

#15244F #223980 #2F4FB0 #4D6DCF #7D95DC

Accessibility & contrast

On white

7.33

#2F4FB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#2F4FB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4FB0

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4FB0	#FFFFFF	#000000	##FFFFFF
##2F4FB0	1.00	7.33	2.87	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB3

Deuteranopia (green-blind)

#0050AE

Tritanopia (blue-blind)

#006777

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2f4fb0;
/* rgb */ color: rgb(47, 79, 176);
/* oklch */ color: oklch(46.2% 0.159 266.4);

Tailwind

colors: {
  custom: {
    50: '#797fc8',
    500: '#2f4fb0',
    950: '#000000',
  },
}

SCSS

$custom: #2f4fb0;
$custom-light: #797fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4fb0",
  "rgb": {
    "r": 47,
    "g": 79,
    "b": 176
  },
  "hsl": {
    "h": 225.116,
    "s": 57.848,
    "l": 43.725
  },
  "oklch": {
    "l": 0.46186,
    "c": 0.15922,
    "h": 266.4
  },
  "luminance": 0.09331
}

Semantic roles & 50–950 ramp

primary

#2F4FB0

secondary

#C5B176

accent

#BB47E1

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2F4FB0

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

Preview Lab → · Contrast checker → · Palette generator →