#2F4CB2#2F4CB2

#2F4CB2 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.7% C 0.166 H 267.4°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#2F4CB2
RGB	rgb(47, 76, 178)
HSL	hsl(227, 58%, 44%)
HSV	hsv(227, 74%, 70%)
CMYK	cmyk(73.6%, 57.3%, 0%, 30.2%)
CIE-LAB	lab(35.96, 25.40, -57.41)
CIE-LCH	lch(35.96, 62.78, 293.87°)
OKLab	oklab(45.74% -0.0077 -0.1655)
OKLCH	oklch(45.74% 0.166 267.4)
XYZ	xyz(11.7898, 8.9863, 43.2240)
Luminance	0.0899 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4CB2 #B2952F

analogous

#2F8EB2 #2F4CB2 #542FB2

triadic

#2F4CB2 #B22F4C #4CB22F

tetradic

#2F4CB2 #B22F8E #B2952F #2FB254

square

#2F4CB2 #B22F8E #B2952F #2FB254

split-complementary

#2F4CB2 #B2542F #8EB22F

monochromatic

#152351 #223782 #2F4CB2 #4E6BD0 #7E93DD

Accessibility & contrast

On white

7.51

#2F4CB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#2F4CB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4CB2

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4CB2	#FFFFFF	#000000	##FFFFFF
##2F4CB2	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB5

Deuteranopia (green-blind)

#004FB0

Tritanopia (blue-blind)

#006577

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2f4cb2;
/* rgb */ color: rgb(47, 76, 178);
/* oklch */ color: oklch(45.7% 0.166 267.4);

Tailwind

colors: {
  custom: {
    50: '#7a7dca',
    500: '#2f4cb2',
    950: '#000000',
  },
}

SCSS

$custom: #2f4cb2;
$custom-light: #7a7dca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4cb2",
  "rgb": {
    "r": 47,
    "g": 76,
    "b": 178
  },
  "hsl": {
    "h": 226.718,
    "s": 58.222,
    "l": 44.118
  },
  "oklch": {
    "l": 0.45742,
    "c": 0.16572,
    "h": 267.4
  },
  "luminance": 0.08988
}

Semantic roles & 50–950 ramp

primary

#2F4CB2

secondary

#C6B477

accent

#BF46E1

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #2F4CB2

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

Preview Lab → · Contrast checker → · Palette generator →