#4070E1#4070E1

#4070E1 is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.3% C 0.180 H 264.2°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#4070E1
RGB	rgb(64, 112, 225)
HSL	hsl(222, 73%, 57%)
HSV	hsv(222, 72%, 88%)
CMYK	cmyk(71.6%, 50.2%, 0%, 11.8%)
CIE-LAB	lab(49.63, 21.73, -62.35)
CIE-LCH	lch(49.63, 66.03, 289.21°)
OKLab	oklab(57.34% -0.0183 -0.1792)
OKLCH	oklch(57.34% 0.18 264.2)
XYZ	xyz(21.4943, 18.1123, 73.5828)
Luminance	0.1812 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4070E1 #E1B140

analogous

#40C1E1 #4070E1 #6140E1

triadic

#4070E1 #E14070 #70E140

tetradic

#4070E1 #E140C1 #E1B140 #40E161

square

#4070E1 #E140C1 #E1B140 #40E161

split-complementary

#4070E1 #E16140 #C1E140

monochromatic

#173B90 #1F50C5 #4070E1 #7598E9 #AABFF2

Accessibility & contrast

On white

4.54

#4070E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#4070E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4070E1

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4070E1	#FFFFFF	#000000	##000000
##4070E1	1.00	4.54	4.62	4.62
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B7EE5

Deuteranopia (green-blind)

#006FDF

Tritanopia (blue-blind)

#008B9E

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4070e1;
/* rgb */ color: rgb(64, 112, 225);
/* oklch */ color: oklch(57.3% 0.180 264.2);

Tailwind

colors: {
  custom: {
    50: '#8898eb',
    500: '#4070e1',
    950: '#000000',
  },
}

SCSS

$custom: #4070e1;
$custom-light: #8898eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4070e1",
  "rgb": {
    "r": 64,
    "g": 112,
    "b": 225
  },
  "hsl": {
    "h": 222.112,
    "s": 72.851,
    "l": 56.667
  },
  "oklch": {
    "l": 0.5734,
    "c": 0.18013,
    "h": 264.2
  },
  "luminance": 0.18115
}

Semantic roles & 50–950 ramp

primary

#4070E1

secondary

#DFCC9D

accent

#B938F0

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4070E1

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

Preview Lab → · Contrast checker → · Palette generator →