#2B4FC3#2B4FC3

#2B4FC3 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.6% C 0.186 H 266.1°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#2B4FC3
RGB	rgb(43, 79, 195)
HSL	hsl(226, 64%, 47%)
HSV	hsv(226, 78%, 76%)
CMYK	cmyk(77.9%, 59.5%, 0%, 23.5%)
CIE-LAB	lab(37.92, 29.35, -64.20)
CIE-LCH	lch(37.92, 70.59, 294.57°)
OKLab	oklab(47.59% -0.0126 -0.1855)
OKLCH	oklch(47.59% 0.186 266.1)
XYZ	xyz(13.6391, 10.0441, 52.8391)
Luminance	0.1005 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4FC3 #C39F2B

analogous

#2B9BC3 #2B4FC3 #532BC3

triadic

#2B4FC3 #C32B4F #4FC32B

tetradic

#2B4FC3 #C32B9B #C39F2B #2BC353

square

#2B4FC3 #C32B9B #C39F2B #2BC353

split-complementary

#2B4FC3 #C3532B #9BC32B

monochromatic

#15265F #203B91 #2B4FC3 #5272D9 #849BE4

Accessibility & contrast

On white

6.98

#2B4FC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#2B4FC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B4FC3

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4FC3	#FFFFFF	#000000	##FFFFFF
##2B4FC3	1.00	6.98	3.01	6.98
#FFFFFF	6.98	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C7

Deuteranopia (green-blind)

#0052C1

Tritanopia (blue-blind)

#006C81

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2b4fc3;
/* rgb */ color: rgb(43, 79, 195);
/* oklch */ color: oklch(47.6% 0.186 266.1);

Tailwind

colors: {
  custom: {
    50: '#7c7fd6',
    500: '#2b4fc3',
    950: '#000000',
  },
}

SCSS

$custom: #2b4fc3;
$custom-light: #7c7fd6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4fc3",
  "rgb": {
    "r": 43,
    "g": 79,
    "b": 195
  },
  "hsl": {
    "h": 225.789,
    "s": 63.866,
    "l": 46.667
  },
  "oklch": {
    "l": 0.47585,
    "c": 0.18595,
    "h": 266.1
  },
  "luminance": 0.10046
}

Semantic roles & 50–950 ramp

primary

#2B4FC3

secondary

#CDBA7D

accent

#C041E7

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #2B4FC3

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

Preview Lab → · Contrast checker → · Palette generator →