#2B4FAD#2B4FAD

#2B4FAD is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.8% C 0.156 H 265.0°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#2B4FAD
RGB	rgb(43, 79, 173)
HSL	hsl(223, 60%, 42%)
HSV	hsv(223, 75%, 68%)
CMYK	cmyk(75.1%, 54.3%, 0%, 32.2%)
CIE-LAB	lab(36.22, 21.02, -54.03)
CIE-LCH	lch(36.22, 57.97, 291.26°)
OKLab	oklab(45.77% -0.0137 -0.1556)
OKLCH	oklch(45.77% 0.156 265)
XYZ	xyz(11.3324, 9.1214, 40.6904)
Luminance	0.0912 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4FAD #AD892B

analogous

#2B90AD #2B4FAD #482BAD

triadic

#2B4FAD #AD2B4F #4FAD2B

tetradic

#2B4FAD #AD2B90 #AD892B #2BAD48

square

#2B4FAD #AD2B90 #AD892B #2BAD48

split-complementary

#2B4FAD #AD482B #90AD2B

monochromatic

#13224B #1F397C #2B4FAD #456BD1 #7692DD

Accessibility & contrast

On white

7.43

#2B4FAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#2B4FAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4FAD

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4FAD	#FFFFFF	#000000	##FFFFFF
##2B4FAD	1.00	7.43	2.82	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#015BB0

Deuteranopia (green-blind)

#004FAB

Tritanopia (blue-blind)

#006676

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2b4fad;
/* rgb */ color: rgb(43, 79, 173);
/* oklch */ color: oklch(45.8% 0.156 265.0);

Tailwind

colors: {
  custom: {
    50: '#777fc6',
    500: '#2b4fad',
    950: '#000000',
  },
}

SCSS

$custom: #2b4fad;
$custom-light: #777fc6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4fad",
  "rgb": {
    "r": 43,
    "g": 79,
    "b": 173
  },
  "hsl": {
    "h": 223.385,
    "s": 60.185,
    "l": 42.353
  },
  "oklch": {
    "l": 0.4577,
    "c": 0.15624,
    "h": 265
  },
  "luminance": 0.09123
}

Semantic roles & 50–950 ramp

primary

#2B4FAD

secondary

#C4AD6F

accent

#B744E3

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2B4FAD

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

Preview Lab → · Contrast checker → · Palette generator →