#2B4AB4#2B4AB4

#2B4AB4 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.3% C 0.172 H 266.8°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#2B4AB4
RGB	rgb(43, 74, 180)
HSL	hsl(226, 61%, 44%)
HSV	hsv(226, 76%, 71%)
CMYK	cmyk(76.1%, 58.9%, 0%, 29.4%)
CIE-LAB	lab(35.41, 26.99, -59.49)
CIE-LCH	lch(35.41, 65.33, 294.40°)
OKLab	oklab(45.33% -0.0096 -0.1718)
OKLCH	oklch(45.33% 0.172 266.8)
XYZ	xyz(11.6804, 8.7051, 44.2358)
Luminance	0.0871 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4AB4 #B4952B

analogous

#2B8EB4 #2B4AB4 #502BB4

triadic

#2B4AB4 #B42B4A #4AB42B

tetradic

#2B4AB4 #B42B8E #B4952B #2BB450

square

#2B4AB4 #B42B8E #B4952B #2BB450

split-complementary

#2B4AB4 #B4502B #8EB42B

monochromatic

#132151 #1F3683 #2B4AB4 #4968D3 #7A91DF

Accessibility & contrast

On white

7.66

#2B4AB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#2B4AB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4AB4

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4AB4	#FFFFFF	#000000	##FFFFFF
##2B4AB4	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB8

Deuteranopia (green-blind)

#004DB2

Tritanopia (blue-blind)

#006578

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2b4ab4;
/* rgb */ color: rgb(43, 74, 180);
/* oklch */ color: oklch(45.3% 0.172 266.8);

Tailwind

colors: {
  custom: {
    50: '#797ccb',
    500: '#2b4ab4',
    950: '#000000',
  },
}

SCSS

$custom: #2b4ab4;
$custom-light: #797ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4ab4",
  "rgb": {
    "r": 43,
    "g": 74,
    "b": 180
  },
  "hsl": {
    "h": 226.423,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.45333,
    "c": 0.17204,
    "h": 266.8
  },
  "luminance": 0.08706
}

Semantic roles & 50–950 ramp

primary

#2B4AB4

secondary

#C7B473

accent

#C043E5

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2B4AB4

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

Preview Lab → · Contrast checker → · Palette generator →