#2B4FB5#2B4FB5

#2B4FB5 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.4% C 0.167 H 265.5°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#2B4FB5
RGB	rgb(43, 79, 181)
HSL	hsl(224, 62%, 44%)
HSV	hsv(224, 76%, 71%)
CMYK	cmyk(76.2%, 56.4%, 0%, 29%)
CIE-LAB	lab(36.82, 24.07, -57.79)
CIE-LCH	lch(36.82, 62.60, 292.61°)
OKLab	oklab(46.41% -0.0131 -0.1667)
OKLCH	oklch(46.41% 0.167 265.5)
XYZ	xyz(12.1298, 9.4404, 44.8900)
Luminance	0.0944 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4FB5 #B5912B

analogous

#2B94B5 #2B4FB5 #4C2BB5

triadic

#2B4FB5 #B52B4F #4FB52B

tetradic

#2B4FB5 #B52B94 #B5912B #2BB54C

square

#2B4FB5 #B52B94 #B5912B #2BB54C

split-complementary

#2B4FB5 #B54C2B #94B52B

monochromatic

#142452 #1F3984 #2B4FB5 #496DD4 #7B95E0

Accessibility & contrast

On white

7.27

#2B4FB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#2B4FB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4FB5

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4FB5	#FFFFFF	#000000	##FFFFFF
##2B4FB5	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB9

Deuteranopia (green-blind)

#0051B3

Tritanopia (blue-blind)

#00687A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2b4fb5;
/* rgb */ color: rgb(43, 79, 181);
/* oklch */ color: oklch(46.4% 0.167 265.5);

Tailwind

colors: {
  custom: {
    50: '#797fcc',
    500: '#2b4fb5',
    950: '#000000',
  },
}

SCSS

$custom: #2b4fb5;
$custom-light: #797fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4fb5",
  "rgb": {
    "r": 43,
    "g": 79,
    "b": 181
  },
  "hsl": {
    "h": 224.348,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.46414,
    "c": 0.16721,
    "h": 265.5
  },
  "luminance": 0.09442
}

Semantic roles & 50–950 ramp

primary

#2B4FB5

secondary

#C8B274

accent

#BB43E5

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2B4FB5

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

Preview Lab → · Contrast checker → · Palette generator →