#2B4FA9#2B4FA9

#2B4FA9 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.5% C 0.151 H 264.6°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#2B4FA9
RGB	rgb(43, 79, 169)
HSL	hsl(223, 59%, 42%)
HSV	hsv(223, 75%, 66%)
CMYK	cmyk(74.6%, 53.3%, 0%, 33.7%)
CIE-LAB	lab(35.92, 19.49, -52.12)
CIE-LCH	lch(35.92, 55.65, 290.50°)
OKLab	oklab(45.46% -0.0141 -0.15)
OKLCH	oklch(45.46% 0.151 264.6)
XYZ	xyz(10.9511, 8.9689, 38.6824)
Luminance	0.0897 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4FA9 #A9852B

analogous

#2B8EA9 #2B4FA9 #462BA9

triadic

#2B4FA9 #A92B4F #4FA92B

tetradic

#2B4FA9 #A92B8E #A9852B #2BA946

square

#2B4FA9 #A92B8E #A9852B #2BA946

split-complementary

#2B4FA9 #A9462B #8EA92B

monochromatic

#122147 #1F3878 #2B4FA9 #426ACF #7391DB

Accessibility & contrast

On white

7.52

#2B4FA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#2B4FA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4FA9

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4FA9	#FFFFFF	#000000	##FFFFFF
##2B4FA9	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F5BAC

Deuteranopia (green-blind)

#004FA7

Tritanopia (blue-blind)

#006574

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2b4fa9;
/* rgb */ color: rgb(43, 79, 169);
/* oklch */ color: oklch(45.5% 0.151 264.6);

Tailwind

colors: {
  custom: {
    50: '#767fc3',
    500: '#2b4fa9',
    950: '#000000',
  },
}

SCSS

$custom: #2b4fa9;
$custom-light: #767fc3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4fa9",
  "rgb": {
    "r": 43,
    "g": 79,
    "b": 169
  },
  "hsl": {
    "h": 222.857,
    "s": 59.434,
    "l": 41.569
  },
  "oklch": {
    "l": 0.45456,
    "c": 0.1507,
    "h": 264.6
  },
  "luminance": 0.0897
}

Semantic roles & 50–950 ramp

primary

#2B4FA9

secondary

#C3AA6D

accent

#B645E3

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2B4FA9

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

Preview Lab → · Contrast checker → · Palette generator →