#4071E7#4071E7

#4071E7 is a mid, vivid blue. Relative luminance 0.187; OKLCH L 58.0% C 0.187 H 264.3°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#4071E7
RGB	rgb(64, 113, 231)
HSL	hsl(222, 78%, 58%)
HSV	hsv(222, 72%, 91%)
CMYK	cmyk(72.3%, 51.1%, 0%, 9.4%)
CIE-LAB	lab(50.30, 23.26, -64.66)
CIE-LCH	lch(50.30, 68.71, 289.79°)
OKLab	oklab(57.97% -0.0184 -0.186)
OKLCH	oklch(57.97% 0.187 264.3)
XYZ	xyz(22.4382, 18.6674, 78.0064)
Luminance	0.1867 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4071E7 #E7B640

analogous

#40C5E7 #4071E7 #6240E7

triadic

#4071E7 #E74071 #71E740

tetradic

#4071E7 #E740C5 #E7B640 #40E762

square

#4071E7 #E740C5 #E7B640 #40E762

split-complementary

#4071E7 #E76240 #C5E740

monochromatic

#133B99 #1A4FD0 #4071E7 #7699EE #ADC2F5

Accessibility & contrast

On white

4.44

#4071E7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#4071E7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4071E7

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4071E7	#FFFFFF	#000000	##000000
##4071E7	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2480EB

Deuteranopia (green-blind)

#0070E5

Tritanopia (blue-blind)

#008DA1

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4071e7;
/* rgb */ color: rgb(64, 113, 231);
/* oklch */ color: oklch(58.0% 0.187 264.3);

Tailwind

colors: {
  custom: {
    50: '#8a99ef',
    500: '#4071e7',
    950: '#000000',
  },
}

SCSS

$custom: #4071e7;
$custom-light: #8a99ef;
$custom-dark: #000000;

JSON

{
  "hex": "#4071e7",
  "rgb": {
    "r": 64,
    "g": 113,
    "b": 231
  },
  "hsl": {
    "h": 222.395,
    "s": 77.674,
    "l": 57.843
  },
  "oklch": {
    "l": 0.57971,
    "c": 0.18687,
    "h": 264.3
  },
  "luminance": 0.1867
}

Semantic roles & 50–950 ramp

primary

#4071E7

secondary

#E3CFA0

accent

#BC34F4

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0D17

muted

#7E7E85

Preview Lab

Preview with #4071E7

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

Preview Lab → · Contrast checker → · Palette generator →