#2B4EB0#2B4EB0

#2B4EB0 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.8% C 0.162 H 265.5°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#2B4EB0
RGB	rgb(43, 78, 176)
HSL	hsl(224, 61%, 43%)
HSV	hsv(224, 76%, 69%)
CMYK	cmyk(75.6%, 55.7%, 0%, 31%)
CIE-LAB	lab(36.17, 22.83, -55.89)
CIE-LCH	lch(36.17, 60.37, 292.22°)
OKLab	oklab(45.8% -0.0127 -0.1611)
OKLCH	oklch(45.8% 0.162 265.5)
XYZ	xyz(11.5544, 9.0957, 42.2126)
Luminance	0.0910 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4EB0 #B08D2B

analogous

#2B90B0 #2B4EB0 #4B2BB0

triadic

#2B4EB0 #B02B4E #4EB02B

tetradic

#2B4EB0 #B02B90 #B08D2B #2BB04B

square

#2B4EB0 #B02B90 #B08D2B #2BB04B

split-complementary

#2B4EB0 #B04B2B #90B02B

monochromatic

#13224E #1F387F #2B4EB0 #466BD2 #7892DE

Accessibility & contrast

On white

7.45

#2B4EB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#2B4EB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4EB0

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4EB0	#FFFFFF	#000000	##FFFFFF
##2B4EB0	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB3

Deuteranopia (green-blind)

#004FAE

Tritanopia (blue-blind)

#006677

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2b4eb0;
/* rgb */ color: rgb(43, 78, 176);
/* oklch */ color: oklch(45.8% 0.162 265.5);

Tailwind

colors: {
  custom: {
    50: '#787fc8',
    500: '#2b4eb0',
    950: '#000000',
  },
}

SCSS

$custom: #2b4eb0;
$custom-light: #787fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4eb0",
  "rgb": {
    "r": 43,
    "g": 78,
    "b": 176
  },
  "hsl": {
    "h": 224.211,
    "s": 60.731,
    "l": 42.941
  },
  "oklch": {
    "l": 0.45804,
    "c": 0.16163,
    "h": 265.5
  },
  "luminance": 0.09097
}

Semantic roles & 50–950 ramp

primary

#2B4EB0

secondary

#C6AF71

accent

#BA44E4

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2B4EB0

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

Preview Lab → · Contrast checker → · Palette generator →