#2B4EAB#2B4EAB

#2B4EAB is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.4% C 0.155 H 265.1°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#2B4EAB
RGB	rgb(43, 78, 171)
HSL	hsl(224, 60%, 42%)
HSV	hsv(224, 75%, 67%)
CMYK	cmyk(74.9%, 54.4%, 0%, 32.9%)
CIE-LAB	lab(35.79, 20.92, -53.53)
CIE-LCH	lch(35.79, 57.47, 291.35°)
OKLab	oklab(45.4% -0.0131 -0.1542)
OKLCH	oklch(45.4% 0.155 265.1)
XYZ	xyz(11.0687, 8.9014, 39.6550)
Luminance	0.0890 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4EAB #AB882B

analogous

#2B8EAB #2B4EAB #482BAB

triadic

#2B4EAB #AB2B4E #4EAB2B

tetradic

#2B4EAB #AB2B8E #AB882B #2BAB48

square

#2B4EAB #AB2B8E #AB882B #2BAB48

split-complementary

#2B4EAB #AB482B #8EAB2B

monochromatic

#122149 #1F387A #2B4EAB #436AD0 #7491DC

Accessibility & contrast

On white

7.55

#2B4EAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#2B4EAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4EAB

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4EAB	#FFFFFF	#000000	##FFFFFF
##2B4EAB	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#015AAE

Deuteranopia (green-blind)

#004FA9

Tritanopia (blue-blind)

#006575

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2b4eab;
/* rgb */ color: rgb(43, 78, 171);
/* oklch */ color: oklch(45.4% 0.155 265.1);

Tailwind

colors: {
  custom: {
    50: '#777fc5',
    500: '#2b4eab',
    950: '#000000',
  },
}

SCSS

$custom: #2b4eab;
$custom-light: #777fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4eab",
  "rgb": {
    "r": 43,
    "g": 78,
    "b": 171
  },
  "hsl": {
    "h": 223.594,
    "s": 59.813,
    "l": 41.961
  },
  "oklch": {
    "l": 0.45404,
    "c": 0.15473,
    "h": 265.1
  },
  "luminance": 0.08903
}

Semantic roles & 50–950 ramp

primary

#2B4EAB

secondary

#C4AC6E

accent

#B845E3

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2B4EAB

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

Preview Lab → · Contrast checker → · Palette generator →