#4367BB#4367BB

#4367BB is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.0% C 0.138 H 264.7°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#4367BB
RGB	rgb(67, 103, 187)
HSL	hsl(222, 47%, 50%)
HSV	hsv(222, 64%, 73%)
CMYK	cmyk(64.2%, 44.9%, 0%, 26.7%)
CIE-LAB	lab(44.91, 14.27, -48.19)
CIE-LCH	lch(44.91, 50.26, 286.50°)
OKLab	oklab(53% -0.0128 -0.1376)
OKLCH	oklch(53% 0.138 264.7)
XYZ	xyz(16.1315, 14.4802, 48.9489)
Luminance	0.1448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4367BB #BB9743

analogous

#43A3BB #4367BB #5B43BB

triadic

#4367BB #BB4367 #67BB43

tetradic

#4367BB #BB43A3 #BB9743 #43BB5B

square

#4367BB #BB43A3 #BB9743 #43BB5B

split-complementary

#4367BB #BB5B43 #A3BB43

monochromatic

#233561 #334E8E #4367BB #708BCC #9DB0DC

Accessibility & contrast

On white

5.39

#4367BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#4367BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4367BB

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4367BB	#FFFFFF	#000000	##FFFFFF
##4367BB	1.00	5.39	3.90	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F70BE

Deuteranopia (green-blind)

#2B65B9

Tritanopia (blue-blind)

#007A88

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4367bb;
/* rgb */ color: rgb(67, 103, 187);
/* oklch */ color: oklch(53.0% 0.138 264.7);

Tailwind

colors: {
  custom: {
    50: '#8391d0',
    500: '#4367bb',
    950: '#000000',
  },
}

SCSS

$custom: #4367bb;
$custom-light: #8391d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4367bb",
  "rgb": {
    "r": 67,
    "g": 103,
    "b": 187
  },
  "hsl": {
    "h": 222,
    "s": 47.244,
    "l": 49.804
  },
  "oklch": {
    "l": 0.53,
    "c": 0.13822,
    "h": 264.7
  },
  "luminance": 0.14482
}

Semantic roles & 50–950 ramp

primary

#4367BB

secondary

#C8B892

accent

#AF51D7

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4367BB

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

Preview Lab → · Contrast checker → · Palette generator →