#2B4EBC#2B4EBC

#2B4EBC is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.8% C 0.178 H 266.1°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#2B4EBC
RGB	rgb(43, 78, 188)
HSL	hsl(226, 63%, 45%)
HSV	hsv(226, 77%, 74%)
CMYK	cmyk(77.1%, 58.5%, 0%, 26.3%)
CIE-LAB	lab(37.10, 27.37, -61.45)
CIE-LCH	lch(37.10, 67.27, 294.01°)
OKLab	oklab(46.8% -0.0121 -0.1775)
OKLCH	oklch(46.8% 0.178 266.1)
XYZ	xyz(12.7946, 9.5918, 48.7443)
Luminance	0.0959 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4EBC #BC992B

analogous

#2B97BC #2B4EBC #502BBC

triadic

#2B4EBC #BC2B4E #4EBC2B

tetradic

#2B4EBC #BC2B97 #BC992B #2BBC50

square

#2B4EBC #BC2B97 #BC992B #2BBC50

split-complementary

#2B4EBC #BC502B #97BC2B

monochromatic

#142558 #20398A #2B4EBC #4E6FD6 #8097E2

Accessibility & contrast

On white

7.20

#2B4EBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#2B4EBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4EBC

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4EBC	#FFFFFF	#000000	##FFFFFF
##2B4EBC	1.00	7.20	2.92	7.20
#FFFFFF	7.20	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EC0

Deuteranopia (green-blind)

#0051BA

Tritanopia (blue-blind)

#006A7D

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2b4ebc;
/* rgb */ color: rgb(43, 78, 188);
/* oklch */ color: oklch(46.8% 0.178 266.1);

Tailwind

colors: {
  custom: {
    50: '#7b7fd1',
    500: '#2b4ebc',
    950: '#000000',
  },
}

SCSS

$custom: #2b4ebc;
$custom-light: #7b7fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4ebc",
  "rgb": {
    "r": 43,
    "g": 78,
    "b": 188
  },
  "hsl": {
    "h": 225.517,
    "s": 62.771,
    "l": 45.294
  },
  "oklch": {
    "l": 0.46796,
    "c": 0.17787,
    "h": 266.1
  },
  "luminance": 0.09593
}

Semantic roles & 50–950 ramp

primary

#2B4EBC

secondary

#CBB778

accent

#BE42E6

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2B4EBC

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

Preview Lab → · Contrast checker → · Palette generator →