#4373CB#4373CB

#4373CB is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.6% C 0.146 H 261.4°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#4373CB
RGB	rgb(67, 115, 203)
HSL	hsl(219, 57%, 53%)
HSV	hsv(219, 67%, 80%)
CMYK	cmyk(67%, 43.3%, 0%, 20.4%)
CIE-LAB	lab(49.21, 12.41, -50.53)
CIE-LCH	lch(49.21, 52.04, 283.80°)
OKLab	oklab(56.61% -0.0218 -0.1443)
OKLCH	oklch(56.61% 0.146 261.4)
XYZ	xyz(19.2211, 17.7647, 58.9043)
Luminance	0.1777 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4373CB #CB9B43

analogous

#43B7CB #4373CB #5743CB

triadic

#4373CB #CB4373 #73CB43

tetradic

#4373CB #CB43B7 #CB9B43 #43CB57

square

#4373CB #CB43B7 #CB9B43 #43CB57

split-complementary

#4373CB #CB5743 #B7CB43

monochromatic

#203D74 #2D57A4 #4373CB #7397D8 #A3BAE6

Accessibility & contrast

On white

4.61

#4373CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#4373CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4373CB

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4373CB	#FFFFFF	#000000	##FFFFFF
##4373CB	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#497CCE

Deuteranopia (green-blind)

#326FC9

Tritanopia (blue-blind)

#008795

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4373cb;
/* rgb */ color: rgb(67, 115, 203);
/* oklch */ color: oklch(56.6% 0.146 261.4);

Tailwind

colors: {
  custom: {
    50: '#859adb',
    500: '#4373cb',
    950: '#000000',
  },
}

SCSS

$custom: #4373cb;
$custom-light: #859adb;
$custom-dark: #000000;

JSON

{
  "hex": "#4373cb",
  "rgb": {
    "r": 67,
    "g": 115,
    "b": 203
  },
  "hsl": {
    "h": 218.824,
    "s": 56.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.56612,
    "c": 0.14597,
    "h": 261.4
  },
  "luminance": 0.17767
}

Semantic roles & 50–950 ramp

primary

#4373CB

secondary

#D2BE98

accent

#AA48E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4373CB

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

Preview Lab → · Contrast checker → · Palette generator →