#4070E2#4070E2

#4070E2 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.4% C 0.181 H 264.3°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#4070E2
RGB	rgb(64, 112, 226)
HSL	hsl(222, 74%, 57%)
HSV	hsv(222, 72%, 89%)
CMYK	cmyk(71.7%, 50.4%, 0%, 11.4%)
CIE-LAB	lab(49.70, 22.09, -62.81)
CIE-LCH	lch(49.70, 66.58, 289.38°)
OKLab	oklab(57.41% -0.0181 -0.1805)
OKLCH	oklch(57.41% 0.181 264.3)
XYZ	xyz(21.6311, 18.1670, 74.3033)
Luminance	0.1817 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4070E2 #E2B240

analogous

#40C1E2 #4070E2 #6140E2

triadic

#4070E2 #E24070 #70E240

tetradic

#4070E2 #E240C1 #E2B240 #40E261

square

#4070E2 #E240C1 #E2B240 #40E261

split-complementary

#4070E2 #E26140 #C1E240

monochromatic

#163B92 #1E50C7 #4070E2 #7598EA #AAC0F2

Accessibility & contrast

On white

4.53

#4070E2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#4070E2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4070E2

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4070E2	#FFFFFF	#000000	##000000
##4070E2	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#297EE6

Deuteranopia (green-blind)

#006FE0

Tritanopia (blue-blind)

#008B9E

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4070e2;
/* rgb */ color: rgb(64, 112, 226);
/* oklch */ color: oklch(57.4% 0.181 264.3);

Tailwind

colors: {
  custom: {
    50: '#8998ec',
    500: '#4070e2',
    950: '#000000',
  },
}

SCSS

$custom: #4070e2;
$custom-light: #8998ec;
$custom-dark: #000000;

JSON

{
  "hex": "#4070e2",
  "rgb": {
    "r": 64,
    "g": 112,
    "b": 226
  },
  "hsl": {
    "h": 222.222,
    "s": 73.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.57411,
    "c": 0.18145,
    "h": 264.3
  },
  "luminance": 0.18169
}

Semantic roles & 50–950 ramp

primary

#4070E2

secondary

#E0CC9E

accent

#BA38F0

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4070E2

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

Preview Lab → · Contrast checker → · Palette generator →