#2F4BB2#2F4BB2

#2F4BB2 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.5% C 0.167 H 267.6°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#2F4BB2
RGB	rgb(47, 75, 178)
HSL	hsl(227, 58%, 44%)
HSV	hsv(227, 74%, 70%)
CMYK	cmyk(73.6%, 57.9%, 0%, 30.2%)
CIE-LAB	lab(35.69, 26.06, -57.84)
CIE-LCH	lch(35.69, 63.44, 294.26°)
OKLab	oklab(45.54% -0.0069 -0.1668)
OKLCH	oklch(45.54% 0.167 267.6)
XYZ	xyz(11.7215, 8.8496, 43.2012)
Luminance	0.0885 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4BB2 #B2962F

analogous

#2F8DB2 #2F4BB2 #552FB2

triadic

#2F4BB2 #B22F4B #4BB22F

tetradic

#2F4BB2 #B22F8D #B2962F #2FB255

square

#2F4BB2 #B22F8D #B2962F #2FB255

split-complementary

#2F4BB2 #B2552F #8DB22F

monochromatic

#152251 #223782 #2F4BB2 #4E6AD0 #7E93DD

Accessibility & contrast

On white

7.58

#2F4BB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#2F4BB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4BB2

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4BB2	#FFFFFF	#000000	##FFFFFF
##2F4BB2	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB5

Deuteranopia (green-blind)

#004EB0

Tritanopia (blue-blind)

#006577

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2f4bb2;
/* rgb */ color: rgb(47, 75, 178);
/* oklch */ color: oklch(45.5% 0.167 267.6);

Tailwind

colors: {
  custom: {
    50: '#7a7cca',
    500: '#2f4bb2',
    950: '#000000',
  },
}

SCSS

$custom: #2f4bb2;
$custom-light: #7a7cca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4bb2",
  "rgb": {
    "r": 47,
    "g": 75,
    "b": 178
  },
  "hsl": {
    "h": 227.176,
    "s": 58.222,
    "l": 44.118
  },
  "oklch": {
    "l": 0.45544,
    "c": 0.16696,
    "h": 267.6
  },
  "luminance": 0.08851
}

Semantic roles & 50–950 ramp

primary

#2F4BB2

secondary

#C6B577

accent

#C046E1

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #2F4BB2

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

Preview Lab → · Contrast checker → · Palette generator →