#2B4AB3#2B4AB3

#2B4AB3 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.2% C 0.171 H 266.8°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#2B4AB3
RGB	rgb(43, 74, 179)
HSL	hsl(226, 61%, 44%)
HSV	hsv(226, 76%, 70%)
CMYK	cmyk(76%, 58.7%, 0%, 29.8%)
CIE-LAB	lab(35.33, 26.61, -59.03)
CIE-LCH	lch(35.33, 64.75, 294.27°)
OKLab	oklab(45.25% -0.0096 -0.1704)
OKLCH	oklch(45.25% 0.171 266.8)
XYZ	xyz(11.5789, 8.6645, 43.7013)
Luminance	0.0867 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4AB3 #B3942B

analogous

#2B8EB3 #2B4AB3 #502BB3

triadic

#2B4AB3 #B32B4A #4AB32B

tetradic

#2B4AB3 #B32B8E #B3942B #2BB350

square

#2B4AB3 #B32B8E #B3942B #2BB350

split-complementary

#2B4AB3 #B3502B #8EB32B

monochromatic

#132150 #1F3682 #2B4AB3 #4868D3 #7991DF

Accessibility & contrast

On white

7.68

#2B4AB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#2B4AB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4AB3

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4AB3	#FFFFFF	#000000	##FFFFFF
##2B4AB3	1.00	7.68	2.73	7.68
#FFFFFF	7.68	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB7

Deuteranopia (green-blind)

#004DB1

Tritanopia (blue-blind)

#006477

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2b4ab3;
/* rgb */ color: rgb(43, 74, 179);
/* oklch */ color: oklch(45.2% 0.171 266.8);

Tailwind

colors: {
  custom: {
    50: '#797ccb',
    500: '#2b4ab3',
    950: '#000000',
  },
}

SCSS

$custom: #2b4ab3;
$custom-light: #797ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4ab3",
  "rgb": {
    "r": 43,
    "g": 74,
    "b": 179
  },
  "hsl": {
    "h": 226.324,
    "s": 61.261,
    "l": 43.529
  },
  "oklch": {
    "l": 0.45248,
    "c": 0.17068,
    "h": 266.8
  },
  "luminance": 0.08666
}

Semantic roles & 50–950 ramp

primary

#2B4AB3

secondary

#C7B473

accent

#C043E4

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2B4AB3

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

Preview Lab → · Contrast checker → · Palette generator →