#2B4DBC#2B4DBC

#2B4DBC is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.6% C 0.179 H 266.3°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#2B4DBC
RGB	rgb(43, 77, 188)
HSL	hsl(226, 63%, 45%)
HSV	hsv(226, 77%, 74%)
CMYK	cmyk(77.1%, 59%, 0%, 26.3%)
CIE-LAB	lab(36.84, 28.03, -61.87)
CIE-LCH	lch(36.84, 67.93, 294.37°)
OKLab	oklab(46.6% -0.0114 -0.1787)
OKLCH	oklch(46.6% 0.179 266.3)
XYZ	xyz(12.7241, 9.4508, 48.7208)
Luminance	0.0945 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4DBC #BC9A2B

analogous

#2B95BC #2B4DBC #512BBC

triadic

#2B4DBC #BC2B4D #4DBC2B

tetradic

#2B4DBC #BC2B95 #BC9A2B #2BBC51

square

#2B4DBC #BC2B95 #BC9A2B #2BBC51

split-complementary

#2B4DBC #BC512B #95BC2B

monochromatic

#142458 #20398A #2B4DBC #4E6ED6 #8097E2

Accessibility & contrast

On white

7.27

#2B4DBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#2B4DBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4DBC

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4DBC	#FFFFFF	#000000	##FFFFFF
##2B4DBC	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)

#005EC0

Deuteranopia (green-blind)

#0050BA

Tritanopia (blue-blind)

#00697D

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2b4dbc;
/* rgb */ color: rgb(43, 77, 188);
/* oklch */ color: oklch(46.6% 0.179 266.3);

Tailwind

colors: {
  custom: {
    50: '#7b7ed1',
    500: '#2b4dbc',
    950: '#000000',
  },
}

SCSS

$custom: #2b4dbc;
$custom-light: #7b7ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4dbc",
  "rgb": {
    "r": 43,
    "g": 77,
    "b": 188
  },
  "hsl": {
    "h": 225.931,
    "s": 62.771,
    "l": 45.294
  },
  "oklch": {
    "l": 0.46601,
    "c": 0.17909,
    "h": 266.3
  },
  "luminance": 0.09452
}

Semantic roles & 50–950 ramp

primary

#2B4DBC

secondary

#CBB778

accent

#BF42E6

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2B4DBC

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

Preview Lab → · Contrast checker → · Palette generator →