#4374EC#4374EC

#4374EC is a mid, vivid blue. Relative luminance 0.197; OKLCH L 59.1% C 0.189 H 264.6°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#4374EC
RGB	rgb(67, 116, 236)
HSL	hsl(223, 82%, 59%)
HSV	hsv(223, 72%, 93%)
CMYK	cmyk(71.6%, 50.8%, 0%, 7.5%)
CIE-LAB	lab(51.54, 23.57, -65.44)
CIE-LCH	lch(51.54, 69.56, 289.81°)
OKLab	oklab(59.06% -0.0179 -0.1882)
OKLCH	oklch(59.06% 0.189 264.6)
XYZ	xyz(23.6951, 19.7377, 81.9016)
Luminance	0.1974 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4374EC #ECBB43

analogous

#43C8EC #4374EC #6743EC

triadic

#4374EC #EC4374 #74EC43

tetradic

#4374EC #EC43C8 #ECBB43 #43EC67

square

#4374EC #EC43C8 #ECBB43 #43EC67

split-complementary

#4374EC #EC6743 #C8EC43

monochromatic

#113BA4 #164FDC #4374EC #7B9DF2 #B2C6F7

Accessibility & contrast

On white

4.24

#4374EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#4374EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4374EC

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4374EC	#FFFFFF	#000000	##000000
##4374EC	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2783F0

Deuteranopia (green-blind)

#0073EA

Tritanopia (blue-blind)

#0091A5

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4374ec;
/* rgb */ color: rgb(67, 116, 236);
/* oklch */ color: oklch(59.1% 0.189 264.6);

Tailwind

colors: {
  custom: {
    50: '#8c9bf3',
    500: '#4374ec',
    950: '#000000',
  },
}

SCSS

$custom: #4374ec;
$custom-light: #8c9bf3;
$custom-dark: #000000;

JSON

{
  "hex": "#4374ec",
  "rgb": {
    "r": 67,
    "g": 116,
    "b": 236
  },
  "hsl": {
    "h": 222.604,
    "s": 81.643,
    "l": 59.412
  },
  "oklch": {
    "l": 0.59056,
    "c": 0.18903,
    "h": 264.6
  },
  "luminance": 0.1974
}

Semantic roles & 50–950 ramp

primary

#4374EC

secondary

#E6D3A4

accent

#BE30F8

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #4374EC

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

Preview Lab → · Contrast checker → · Palette generator →