#4367B1#4367B1

#4367B1 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.4% C 0.124 H 263.2°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#4367B1
RGB	rgb(67, 103, 177)
HSL	hsl(220, 45%, 48%)
HSV	hsv(220, 62%, 69%)
CMYK	cmyk(62.1%, 41.8%, 0%, 30.6%)
CIE-LAB	lab(44.33, 10.75, -43.29)
CIE-LCH	lch(44.33, 44.61, 283.95°)
OKLab	oklab(52.36% -0.0147 -0.1232)
OKLCH	oklch(52.36% 0.124 263.2)
XYZ	xyz(15.0980, 14.0668, 43.5060)
Luminance	0.1407 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4367B1 #B18D43

analogous

#439EB1 #4367B1 #5643B1

triadic

#4367B1 #B14367 #67B143

tetradic

#4367B1 #B1439E #B18D43 #43B156

square

#4367B1 #B1439E #B18D43 #43B156

split-complementary

#4367B1 #B15643 #9EB143

monochromatic

#213358 #324D85 #4367B1 #6A89C7 #97ACD8

Accessibility & contrast

On white

5.51

#4367B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#4367B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4367B1

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4367B1	#FFFFFF	#000000	##FFFFFF
##4367B1	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#466EB4

Deuteranopia (green-blind)

#3664AF

Tritanopia (blue-blind)

#007883

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4367b1;
/* rgb */ color: rgb(67, 103, 177);
/* oklch */ color: oklch(52.4% 0.124 263.2);

Tailwind

colors: {
  custom: {
    50: '#8192c9',
    500: '#4367b1',
    950: '#000000',
  },
}

SCSS

$custom: #4367b1;
$custom-light: #8192c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4367b1",
  "rgb": {
    "r": 67,
    "g": 103,
    "b": 177
  },
  "hsl": {
    "h": 220.364,
    "s": 45.082,
    "l": 47.843
  },
  "oklch": {
    "l": 0.5236,
    "c": 0.12412,
    "h": 263.2
  },
  "luminance": 0.14068
}

Semantic roles & 50–950 ramp

primary

#4367B1

secondary

#C3B18C

accent

#AA53D5

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #4367B1

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

Preview Lab → · Contrast checker → · Palette generator →