#4370EC#4370EC

#4370EC is a mid, vivid blue. Relative luminance 0.188; OKLCH L 58.3% C 0.194 H 265.6°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#4370EC
RGB	rgb(67, 112, 236)
HSL	hsl(224, 82%, 59%)
HSV	hsv(224, 72%, 93%)
CMYK	cmyk(71.6%, 52.5%, 0%, 7.5%)
CIE-LAB	lab(50.49, 26.06, -67.13)
CIE-LCH	lch(50.49, 72.02, 291.22°)
OKLab	oklab(58.26% -0.0148 -0.1932)
OKLCH	oklch(58.26% 0.194 265.6)
XYZ	xyz(23.2439, 18.8353, 81.7512)
Luminance	0.1884 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4370EC #ECBF43

analogous

#43C4EC #4370EC #6B43EC

triadic

#4370EC #EC4370 #70EC43

tetradic

#4370EC #EC43C4 #ECBF43 #43EC6B

square

#4370EC #EC43C4 #ECBF43 #43EC6B

split-complementary

#4370EC #EC6B43 #C4EC43

monochromatic

#1138A4 #164BDC #4370EC #7B9AF2 #B2C5F7

Accessibility & contrast

On white

4.40

#4370EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#4370EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4370EC

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4370EC	#FFFFFF	#000000	##000000
##4370EC	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1580F0

Deuteranopia (green-blind)

#0071EA

Tritanopia (blue-blind)

#008EA3

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4370ec;
/* rgb */ color: rgb(67, 112, 236);
/* oklch */ color: oklch(58.3% 0.194 265.6);

Tailwind

colors: {
  custom: {
    50: '#8c98f3',
    500: '#4370ec',
    950: '#000000',
  },
}

SCSS

$custom: #4370ec;
$custom-light: #8c98f3;
$custom-dark: #000000;

JSON

{
  "hex": "#4370ec",
  "rgb": {
    "r": 67,
    "g": 112,
    "b": 236
  },
  "hsl": {
    "h": 224.024,
    "s": 81.643,
    "l": 59.412
  },
  "oklch": {
    "l": 0.58263,
    "c": 0.19379,
    "h": 265.6
  },
  "luminance": 0.18838
}

Semantic roles & 50–950 ramp

primary

#4370EC

secondary

#E6D5A4

accent

#C330F8

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #4370EC

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

Preview Lab → · Contrast checker → · Palette generator →