#2B4BB5#2B4BB5

#2B4BB5 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.6% C 0.172 H 266.6°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#2B4BB5
RGB	rgb(43, 75, 181)
HSL	hsl(226, 62%, 44%)
HSV	hsv(226, 76%, 71%)
CMYK	cmyk(76.2%, 58.6%, 0%, 29%)
CIE-LAB	lab(35.75, 26.71, -59.52)
CIE-LCH	lch(35.75, 65.24, 294.17°)
OKLab	oklab(45.62% -0.0103 -0.1718)
OKLCH	oklch(45.62% 0.172 266.6)
XYZ	xyz(11.8499, 8.8806, 44.7967)
Luminance	0.0888 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4BB5 #B5952B

analogous

#2B90B5 #2B4BB5 #502BB5

triadic

#2B4BB5 #B52B4B #4BB52B

tetradic

#2B4BB5 #B52B90 #B5952B #2BB550

square

#2B4BB5 #B52B90 #B5952B #2BB550

split-complementary

#2B4BB5 #B5502B #90B52B

monochromatic

#142252 #1F3784 #2B4BB5 #4969D4 #7B92E0

Accessibility & contrast

On white

7.56

#2B4BB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#2B4BB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4BB5

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4BB5	#FFFFFF	#000000	##FFFFFF
##2B4BB5	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB9

Deuteranopia (green-blind)

#004EB3

Tritanopia (blue-blind)

#006678

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2b4bb5;
/* rgb */ color: rgb(43, 75, 181);
/* oklch */ color: oklch(45.6% 0.172 266.6);

Tailwind

colors: {
  custom: {
    50: '#797ccc',
    500: '#2b4bb5',
    950: '#000000',
  },
}

SCSS

$custom: #2b4bb5;
$custom-light: #797ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4bb5",
  "rgb": {
    "r": 43,
    "g": 75,
    "b": 181
  },
  "hsl": {
    "h": 226.087,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.45615,
    "c": 0.17216,
    "h": 266.6
  },
  "luminance": 0.08882
}

Semantic roles & 50–950 ramp

primary

#2B4BB5

secondary

#C8B474

accent

#BF43E5

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #2B4BB5

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

Preview Lab → · Contrast checker → · Palette generator →