#4374E7#4374E7

#4374E7 is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.7% C 0.182 H 264.2°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#4374E7
RGB	rgb(67, 116, 231)
HSL	hsl(222, 77%, 58%)
HSV	hsv(222, 71%, 91%)
CMYK	cmyk(71%, 49.8%, 0%, 9.4%)
CIE-LAB	lab(51.21, 21.78, -63.17)
CIE-LCH	lch(51.21, 66.82, 289.02°)
OKLab	oklab(58.7% -0.0185 -0.1815)
OKLCH	oklch(58.7% 0.182 264.2)
XYZ	xyz(22.9788, 19.4512, 78.1292)
Luminance	0.1945 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4374E7 #E7B643

analogous

#43C6E7 #4374E7 #6443E7

triadic

#4374E7 #E74374 #74E743

tetradic

#4374E7 #E743C6 #E7B643 #43E764

square

#4374E7 #E743C6 #E7B643 #43E764

split-complementary

#4374E7 #E76443 #C6E743

monochromatic

#143C9C #1B52D2 #4374E7 #799CEE #B0C4F5

Accessibility & contrast

On white

4.29

#4374E7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#4374E7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4374E7

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4374E7	#FFFFFF	#000000	##000000
##4374E7	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F82EB

Deuteranopia (green-blind)

#0073E5

Tritanopia (blue-blind)

#008FA3

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4374e7;
/* rgb */ color: rgb(67, 116, 231);
/* oklch */ color: oklch(58.7% 0.182 264.2);

Tailwind

colors: {
  custom: {
    50: '#8b9bef',
    500: '#4374e7',
    950: '#000000',
  },
}

SCSS

$custom: #4374e7;
$custom-light: #8b9bef;
$custom-dark: #000000;

JSON

{
  "hex": "#4374e7",
  "rgb": {
    "r": 67,
    "g": 116,
    "b": 231
  },
  "hsl": {
    "h": 222.073,
    "s": 77.358,
    "l": 58.431
  },
  "oklch": {
    "l": 0.58701,
    "c": 0.18244,
    "h": 264.2
  },
  "luminance": 0.19454
}

Semantic roles & 50–950 ramp

primary

#4374E7

secondary

#E3D0A2

accent

#BB34F4

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E17

muted

#7E7E85

Preview Lab

Preview with #4374E7

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

Preview Lab → · Contrast checker → · Palette generator →