#2F4AB0#2F4AB0

#2F4AB0 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.2% C 0.165 H 267.8°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#2F4AB0
RGB	rgb(47, 74, 176)
HSL	hsl(227, 58%, 44%)
HSV	hsv(227, 73%, 69%)
CMYK	cmyk(73.3%, 58%, 0%, 31%)
CIE-LAB	lab(35.27, 25.97, -57.34)
CIE-LCH	lch(35.27, 62.95, 294.37°)
OKLab	oklab(45.18% -0.0062 -0.1654)
OKLCH	oklch(45.18% 0.165 267.8)
XYZ	xyz(11.4548, 8.6353, 42.1290)
Luminance	0.0864 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4AB0 #B0952F

analogous

#2F8AB0 #2F4AB0 #542FB0

triadic

#2F4AB0 #B02F4A #4AB02F

tetradic

#2F4AB0 #B02F8A #B0952F #2FB054

square

#2F4AB0 #B02F8A #B0952F #2FB054

split-complementary

#2F4AB0 #B0542F #8AB02F

monochromatic

#15214F #223680 #2F4AB0 #4D68CF #7D91DC

Accessibility & contrast

On white

7.70

#2F4AB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#2F4AB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4AB0

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4AB0	#FFFFFF	#000000	##FFFFFF
##2F4AB0	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B3

Deuteranopia (green-blind)

#004DAE

Tritanopia (blue-blind)

#006375

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2f4ab0;
/* rgb */ color: rgb(47, 74, 176);
/* oklch */ color: oklch(45.2% 0.165 267.8);

Tailwind

colors: {
  custom: {
    50: '#7a7cc8',
    500: '#2f4ab0',
    950: '#000000',
  },
}

SCSS

$custom: #2f4ab0;
$custom-light: #7a7cc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4ab0",
  "rgb": {
    "r": 47,
    "g": 74,
    "b": 176
  },
  "hsl": {
    "h": 227.442,
    "s": 57.848,
    "l": 43.725
  },
  "oklch": {
    "l": 0.4518,
    "c": 0.16549,
    "h": 267.8
  },
  "luminance": 0.08636
}

Semantic roles & 50–950 ramp

primary

#2F4AB0

secondary

#C5B476

accent

#C147E1

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2F4AB0

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

Preview Lab → · Contrast checker → · Palette generator →