#2F4CB3#2F4CB3

#2F4CB3 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.8% C 0.167 H 267.4°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#2F4CB3
RGB	rgb(47, 76, 179)
HSL	hsl(227, 58%, 44%)
HSV	hsv(227, 74%, 70%)
CMYK	cmyk(73.7%, 57.5%, 0%, 29.8%)
CIE-LAB	lab(36.04, 25.78, -57.87)
CIE-LCH	lch(36.04, 63.35, 294.01°)
OKLab	oklab(45.83% -0.0076 -0.1669)
OKLCH	oklch(45.83% 0.167 267.4)
XYZ	xyz(11.8906, 9.0266, 43.7547)
Luminance	0.0903 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4CB3 #B3962F

analogous

#2F8EB3 #2F4CB3 #542FB3

triadic

#2F4CB3 #B32F4C #4CB32F

tetradic

#2F4CB3 #B32F8E #B3962F #2FB354

square

#2F4CB3 #B32F8E #B3962F #2FB354

split-complementary

#2F4CB3 #B3542F #8EB32F

monochromatic

#162352 #223783 #2F4CB3 #4F6BD1 #7F94DD

Accessibility & contrast

On white

7.49

#2F4CB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#2F4CB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4CB3

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4CB3	#FFFFFF	#000000	##FFFFFF
##2F4CB3	1.00	7.49	2.81	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB6

Deuteranopia (green-blind)

#004FB1

Tritanopia (blue-blind)

#006678

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2f4cb3;
/* rgb */ color: rgb(47, 76, 179);
/* oklch */ color: oklch(45.8% 0.167 267.4);

Tailwind

colors: {
  custom: {
    50: '#7a7dcb',
    500: '#2f4cb3',
    950: '#000000',
  },
}

SCSS

$custom: #2f4cb3;
$custom-light: #7a7dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4cb3",
  "rgb": {
    "r": 47,
    "g": 76,
    "b": 179
  },
  "hsl": {
    "h": 226.818,
    "s": 58.407,
    "l": 44.314
  },
  "oklch": {
    "l": 0.45825,
    "c": 0.16708,
    "h": 267.4
  },
  "luminance": 0.09028
}

Semantic roles & 50–950 ramp

primary

#2F4CB3

secondary

#C6B578

accent

#BF46E2

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #2F4CB3

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

Preview Lab → · Contrast checker → · Palette generator →