#2B4FBD#2B4FBD

#2B4FBD is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.1% C 0.178 H 265.9°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#2B4FBD
RGB	rgb(43, 79, 189)
HSL	hsl(225, 63%, 45%)
HSV	hsv(225, 77%, 74%)
CMYK	cmyk(77.2%, 58.2%, 0%, 25.9%)
CIE-LAB	lab(37.44, 27.09, -61.48)
CIE-LCH	lch(37.44, 67.18, 293.78°)
OKLab	oklab(47.08% -0.0128 -0.1775)
OKLCH	oklch(47.08% 0.178 265.9)
XYZ	xyz(12.9743, 9.7782, 49.3378)
Luminance	0.0978 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4FBD #BD992B

analogous

#2B98BD #2B4FBD #502BBD

triadic

#2B4FBD #BD2B4F #4FBD2B

tetradic

#2B4FBD #BD2B98 #BD992B #2BBD50

square

#2B4FBD #BD2B98 #BD992B #2BBD50

split-complementary

#2B4FBD #BD502B #98BD2B

monochromatic

#142559 #203A8B #2B4FBD #4E70D7 #8098E2

Accessibility & contrast

On white

7.10

#2B4FBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#2B4FBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4FBD

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4FBD	#FFFFFF	#000000	##FFFFFF
##2B4FBD	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC1

Deuteranopia (green-blind)

#0052BB

Tritanopia (blue-blind)

#006B7E

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2b4fbd;
/* rgb */ color: rgb(43, 79, 189);
/* oklch */ color: oklch(47.1% 0.178 265.9);

Tailwind

colors: {
  custom: {
    50: '#7b7fd2',
    500: '#2b4fbd',
    950: '#000000',
  },
}

SCSS

$custom: #2b4fbd;
$custom-light: #7b7fd2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4fbd",
  "rgb": {
    "r": 43,
    "g": 79,
    "b": 189
  },
  "hsl": {
    "h": 225.205,
    "s": 62.931,
    "l": 45.49
  },
  "oklch": {
    "l": 0.47077,
    "c": 0.17799,
    "h": 265.9
  },
  "luminance": 0.0978
}

Semantic roles & 50–950 ramp

primary

#2B4FBD

secondary

#CBB779

accent

#BE42E6

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #2B4FBD

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

Preview Lab → · Contrast checker → · Palette generator →