#4373E7#4373E7

#4373E7 is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.5% C 0.184 H 264.5°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#4373E7
RGB	rgb(67, 115, 231)
HSL	hsl(222, 77%, 58%)
HSV	hsv(222, 71%, 91%)
CMYK	cmyk(71%, 50.2%, 0%, 9.4%)
CIE-LAB	lab(50.95, 22.40, -63.60)
CIE-LCH	lch(50.95, 67.43, 289.41°)
OKLab	oklab(58.5% -0.0177 -0.1828)
OKLCH	oklch(58.5% 0.184 264.5)
XYZ	xyz(22.8642, 19.2219, 78.0910)
Luminance	0.1922 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4373E7 #E7B743

analogous

#43C5E7 #4373E7 #6543E7

triadic

#4373E7 #E74373 #73E743

tetradic

#4373E7 #E743C5 #E7B743 #43E765

square

#4373E7 #E743C5 #E7B743 #43E765

split-complementary

#4373E7 #E76543 #C5E743

monochromatic

#143C9C #1B50D2 #4373E7 #799BEE #B0C4F5

Accessibility & contrast

On white

4.33

#4373E7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#4373E7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4373E7

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4373E7	#FFFFFF	#000000	##000000
##4373E7	1.00	4.33	4.84	4.84
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C81EB

Deuteranopia (green-blind)

#0072E5

Tritanopia (blue-blind)

#008FA2

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4373e7;
/* rgb */ color: rgb(67, 115, 231);
/* oklch */ color: oklch(58.5% 0.184 264.5);

Tailwind

colors: {
  custom: {
    50: '#8b9aef',
    500: '#4373e7',
    950: '#000000',
  },
}

SCSS

$custom: #4373e7;
$custom-light: #8b9aef;
$custom-dark: #000000;

JSON

{
  "hex": "#4373e7",
  "rgb": {
    "r": 67,
    "g": 115,
    "b": 231
  },
  "hsl": {
    "h": 222.439,
    "s": 77.358,
    "l": 58.431
  },
  "oklch": {
    "l": 0.58499,
    "c": 0.18362,
    "h": 264.5
  },
  "luminance": 0.19224
}

Semantic roles & 50–950 ramp

primary

#4373E7

secondary

#E3D0A2

accent

#BC34F4

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E17

muted

#7E7E85

Preview Lab

Preview with #4373E7

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

Preview Lab → · Contrast checker → · Palette generator →